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Sunday, May 31, 2026

Botnet Statistics [2026-05-30]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-30 00:00-23:59 UTC
total number of suspected botnet IPs: 19491
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 18394
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankNetwork# of suspected botnet IPs
1AL-31795
2MSFT1393
3INFRAWATCH1178
4GOOGLE-CLOUD1050
5PAN-22962
6ASEPL-SG656
7VOLCANO-ENGINE506
8FR-ONYPHE-20191111400
9CENSY375
10CMNET228


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States8637
2China3623
3Singapore996
4United Kingdom834
5Netherlands598
6Germany590
7France466
8Hong Kong358
9Indonesia306
10South Korea261

Saturday, May 30, 2026

Botnet Statistics [2026-05-29]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-29 00:00-23:59 UTC
total number of suspected botnet IPs: 20203
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19259
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900158896
2226546664
3202341857
4500130243
5777729149
6801026878
72324062
8801523027
9471422404
10802222393
RankNetwork# of suspected botnet IPs
1AL-31810
2MSFT1412
3INFRAWATCH1162
4GOOGLE-CLOUD1045
5PAN-22962
6ASEPL-SG701
7VOLCANO-ENGINE505
8FR-ONYPHE-20191111400
9CENSY377
10cloud310


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States9006
2China3643
3Singapore1061
4United Kingdom940
5Netherlands641
6Germany634
7France486
8Hong Kong376
9Indonesia299
10South Korea256

Friday, May 29, 2026

Botnet Statistics [2026-05-28]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-28 00:00-23:59 UTC
total number of suspected botnet IPs: 20943
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19657
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900140809
2412241589
3202338686
4221134595
5899933538
6801032303
7777727193
8500126801
92324526
10801524095
RankNetwork# of suspected botnet IPs
1AL-31841
2MSFT1435
3GOOGLE-CLOUD1062
4PAN-22961
5INFRAWATCH720
6ASEPL-SG717
7VOLCANO-ENGINE509
8FR-ONYPHE-20191111400
9CENSY371
10cloud296


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States9599
2China3799
3Singapore1091
4United Kingdom660
5Netherlands638
6France480
7Germany392
8Hong Kong369
9Indonesia320
10South Korea266

Thursday, May 28, 2026

Botnet Statistics [2026-05-27]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-27 00:00-23:59 UTC
total number of suspected botnet IPs: 19090
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 18117
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900237800
2221142385
3412238191
4899935428
5801035346
6172232980
7777730440
8800129488
9801529427
10500127858
RankNetwork# of suspected botnet IPs
1AL-31735
2MSFT1428
3GOOGLE-CLOUD1051
4PAN-22966
5ASEPL-SG636
6VOLCANO-ENGINE506
7FR-ONYPHE-20191111407
8CENSY375
9cloud302
10CMNET244


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States8889
2China3801
3Singapore1023
4France479
5Hong Kong368
6Germany340
7Netherlands323
8Indonesia293
9South Korea286
10Viet Nam240

Wednesday, May 27, 2026

Botnet Statistics [2026-05-26]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-26 00:00-23:59 UTC
total number of suspected botnet IPs: 19527
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 18527
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900251056
2999942802
3221141367
4801038113
5899937991
6800133328
7172232473
8710229321
9800729163
10471428711
RankNetwork# of suspected botnet IPs
1AL-31623
2MSFT1450
3GOOGLE-CLOUD1050
4PAN-22960
5ASEPL-SG611
6VOLCANO-ENGINE485
7FR-ONYPHE-20191111448
8CENSY378
9cloud302
10CMNET243


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States9406
2China3529
3Singapore1013
4France475
5Hong Kong372
6Netherlands357
7Indonesia332
8Germany319
9United Kingdom287
10South Korea280

Botnet Statistics [2026-05-25]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-25 00:00-23:59 UTC
total number of suspected botnet IPs: 20142
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19019
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900284039
22238857
3202137951
4899937602
5800137458
6801035949
7221135024
8702232795
9801530048
10471429463
RankNetwork# of suspected botnet IPs
1AL-31777
2MSFT1438
3GOOGLE-CLOUD1050
4PAN-22960
5ASEPL-SG618
6INFRAWATCH568
7VOLCANO-ENGINE495
8FR-ONYPHE-20191111448
9CENSY378
10cloud306


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States9045
2China3750
3Singapore978
4Netherlands613
5Germany590
6France489
7Hong Kong357
8Indonesia333
9Brazil318
10United Kingdom284

Monday, May 25, 2026

Botnet Statistics [2026-05-24]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-24 00:00-23:59 UTC
total number of suspected botnet IPs: 21668
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 20415
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900349840
2202167295
3221148795
42202131604
5471430318
62326905
7500526714
8112226150
9172224936
102223273
RankNetwork# of suspected botnet IPs
1AL-31534
2MSFT1418
3INFRAWATCH1178
4GOOGLE-CLOUD1038
5PAN-22963
6ASEPL-SG517
7VOLCANO-ENGINE465
8FR-ONYPHE-20191111448
9CENSY378
10cloud281


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States9561
2China3557
3Singapore909
4United Kingdom859
5Germany655
6Netherlands592
7France473
8Hong Kong397
9Brazil394
10Indonesia351

Sunday, May 24, 2026

Botnet Statistics [2026-05-23]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-23 00:00-23:59 UTC
total number of suspected botnet IPs: 21349
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 20084
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900403543
2552590877
3202169188
4221153511
5812250314
62202149690
720048444
82342538
9202637828
1040037447
RankNetwork# of suspected botnet IPs
1AL-31610
2MSFT1462
3INFRAWATCH1139
4GOOGLE-CLOUD1027
5PAN-22962
6CLOUDFLARENET734
7ASEPL-SG551
8VOLCANO-ENGINE452
9FR-ONYPHE-20191111448
10CENSY378


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States9474
2China3629
3Singapore862
4United Kingdom814
5Netherlands605
6Germany601
7France488
8Brazil396
9Hong Kong392
10Indonesia318

Saturday, May 23, 2026

Botnet Statistics [2026-05-22]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-22 00:00-23:59 UTC
total number of suspected botnet IPs: 20244
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 18953
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900366970
2202169023
330058543
44932250916
54922245777
64942245491
74912245097
82202139203
92339042
1010033042
RankNetwork# of suspected botnet IPs
1AL-31626
2MSFT1444
3INFRAWATCH1135
4GOOGLE-CLOUD1045
5PAN-22960
6ASEPL-SG559
7VOLCANO-ENGINE457
8FR-ONYPHE-20191111448
9CENSY374
10UCLOUD-HK246


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States8663
2China3422
3Singapore918
4United Kingdom883
5Netherlands597
6Germany545
7France511
8Hong Kong370
9Indonesia342
10Brazil339

Friday, May 22, 2026

Botnet Statistics [2026-05-21]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-21 00:00-23:59 UTC
total number of suspected botnet IPs: 22032
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 20728
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900270234
2202162929
32341170
4172235376
5112232407
61022231622
7471430123
8500529576
9590229204
1022227495
RankNetwork# of suspected botnet IPs
1AL-31709
2MSFT1430
3GOOGLE-CLOUD1054
4INFRAWATCH1030
5PAN-22960
6ASEPL-SG594
7VOLCANO-ENGINE460
8FR-ONYPHE-20191111448
9CENSY381
10cloud325


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States9798
2China3577
3Singapore1008
4United Kingdom757
5Netherlands625
6Germany557
7France519
8Brazil414
9Indonesia396
10Hong Kong379

Thursday, May 21, 2026

Botnet Statistics [2026-05-20]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-20 00:00-23:59 UTC
total number of suspected botnet IPs: 20047
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 18879
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900258342
2202161526
3172246487
42341389
5112240310
6471429708
7782227701
8590226355
9500526343
10471725845
RankNetwork# of suspected botnet IPs
1AL-31595
2MSFT1443
3GOOGLE-CLOUD1056
4PAN-22962
5INFRAWATCH859
6ACEVILLEPTELTD-SG728
7ASEPL-SG569
8FR-ONYPHE-20191111448
9VOLCANO-ENGINE424
10CENSY372


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States8764
2China3720
3Singapore1380
4United Kingdom842
5Netherlands606
6France458
7Hong Kong358
8Indonesia284
9Germany282
10South Korea273

Wednesday, May 20, 2026

Botnet Statistics [2026-05-19]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-19 00:00-23:59 UTC
total number of suspected botnet IPs: 22775
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 21784
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900296862
2226166170
3172247385
42202034436
5233233821
6112230719
7471430085
882227570
9471726741
10590225766
RankNetwork# of suspected botnet IPs
1AL-31709
2MSFT1435
3INFRAWATCH1076
4GOOGLE-CLOUD1051
5PAN-22961
6ACEVILLEPTELTD-SG822
7ASEPL-SG583
8FR-ONYPHE-20191111448
9VOLCANO-ENGINE426
10CENSY375


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States9887
2China4735
3Singapore1473
4United Kingdom973
5Germany591
6Netherlands567
7France485
8Hong Kong356
9Indonesia283
10India264

Tuesday, May 19, 2026

Botnet Statistics [2026-05-18]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-18 00:00-23:59 UTC
total number of suspected botnet IPs: 20607
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19638
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900182235
2226185221
3233280879
4172247916
52202033974
62330682
7471430468
8112227464
9471726648
10590225273
RankNetwork# of suspected botnet IPs
1AL-31707
2MSFT1442
3INFRAWATCH1108
4GOOGLE-CLOUD1054
5PAN-22962
6ACEVILLEPTELTD-SG845
7ASEPL-SG617
8FR-ONYPHE-20191111448
9VOLCANO-ENGINE436
10CENSY374


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States9004
2China3287
3Singapore1633
4United Kingdom957
5Netherlands612
6Germany586
7France475
8Hong Kong358
9Indonesia322
10India261

Monday, May 18, 2026

Botnet Statistics [2026-05-17]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-17 00:00-23:59 UTC
total number of suspected botnet IPs: 21099
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 20081
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900167334
2233244290
3172243348
4901138957
52332605
6204832262
7202031597
8500529410
9471427040
10792226013
RankNetwork# of suspected botnet IPs
1AL-31669
2MSFT1425
3GOOGLE-CLOUD1024
4PAN-22952
5ACEVILLEPTELTD-SG843
6INFRAWATCH784
7ASEPL-SG581
8FR-ONYPHE-20191111448
9VOLCANO-ENGINE425
10CENSY374


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States9394
2China3490
3Singapore1543
4United Kingdom729
5Netherlands560
6Germany528
7France480
8Hong Kong359
9Indonesia329
10India290

Sunday, May 17, 2026

Botnet Statistics [2026-05-16]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-16 00:00-23:59 UTC
total number of suspected botnet IPs: 20671
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19482
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900228987
2172239765
32338639
4202030385
5500529226
6792228865
7204827599
8590226847
9532225204
10212224765
RankNetwork# of suspected botnet IPs
1AL-31677
2MSFT1445
3GOOGLE-CLOUD1028
4PAN-22956
5INFRAWATCH890
6ACEVILLEPTELTD-SG843
7ASEPL-SG515
8FR-ONYPHE-20191111448
9VOLCANO-ENGINE429
10CENSY380


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States8788
2China3377
3Singapore1431
4United Kingdom743
5Netherlands614
6Germany532
7France489
8India401
9Hong Kong364
10Indonesia357

Saturday, May 16, 2026

Botnet Statistics [2026-05-15]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-15 00:00-23:59 UTC
total number of suspected botnet IPs: 21860
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 20720
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900197954
2221055384
3172238868
4202038796
5543238210
62330396
7792228222
8500526986
9590225321
10532224958
RankNetwork# of suspected botnet IPs
1AL-31706
2MSFT1470
3INFRAWATCH1090
4GOOGLE-CLOUD1038
5PAN-22962
6ASEPL-SG607
7FR-ONYPHE-20191111448
8VOLCANO-ENGINE435
9CENSY377
10AT-88-Z355


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States9600
2China3669
3Singapore985
4United Kingdom902
5Germany656
6Netherlands649
7France575
8Indonesia380
9India370
10Hong Kong367

Friday, May 15, 2026

Botnet Statistics [2026-05-14]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-14 00:00-23:59 UTC
total number of suspected botnet IPs: 22100
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 20791
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900226993
22210103122
3482290055
4223985952
5202043779
6172237690
72334903
8792227941
9500526718
10590224968
RankNetwork# of suspected botnet IPs
1AL-31516
2MSFT1435
3INFRAWATCH1073
4GOOGLE-CLOUD1046
5PAN-22964
6ASEPL-SG500
7FR-ONYPHE-20191111448
8VOLCANO-ENGINE440
9CENSY381
10AT-88-Z378


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States9476
2China3457
3United Kingdom927
4Singapore908
5Germany682
6Netherlands674
7France593
8Brazil400
9Indonesia381
10Hong Kong380

Thursday, May 14, 2026

Botnet Statistics [2026-05-13]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-13 00:00-23:59 UTC
total number of suspected botnet IPs: 21221
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19980
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900266409
22210144612
32239100721
4801558245
5482237892
6172237692
7202036912
8800031726
9532227662
10500525618
RankNetwork# of suspected botnet IPs
1AL-31568
2MSFT1469
3INFRAWATCH1114
4GOOGLE-CLOUD1031
5PAN-22953
6ASEPL-SG491
7VOLCANO-ENGINE449
8FR-ONYPHE-20191111447
9CENSY374
10cloud331


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States8669
2China3444
3Singapore890
4United Kingdom852
5Netherlands674
6France603
7Germany589
8Indonesia475
9Hong Kong387
10Brazil386

Wednesday, May 13, 2026

Botnet Statistics [2026-05-12]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-12 00:00-23:59 UTC
total number of suspected botnet IPs: 23495
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 21859
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900235972
28000175907
32210150165
4944391789
5223985828
6200079546
7801578504
8222277927
9777764548
10535757893
RankNetwork# of suspected botnet IPs
1AL-31752
2MSFT1434
3GOOGLE-CLOUD1029
4PAN-22953
5INFRAWATCH889
6ASEPL-SG637
7FR-ONYPHE-20191111448
8VOLCANO-ENGINE439
9CENSY373
10cloud291


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States9405
2China3575
3Singapore1086
4United Kingdom887
5Netherlands745
6France596
7India509
8Indonesia493
9Brazil486
10Germany440

Tuesday, May 12, 2026

Botnet Statistics [2026-05-11]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-11 00:00-23:59 UTC
total number of suspected botnet IPs: 20229
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19020
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900275627
22210149987
3184050113
4570146741
5901145007
6202033357
7326532028
82331552
9599931397
10590224720
RankNetwork# of suspected botnet IPs
1AL-31517
2MSFT1390
3GOOGLE-CLOUD1037
4PAN-22955
5INFRAWATCH933
6ASEPL-SG499
7FR-ONYPHE-20191111448
8CENSY374
9cloud340
10VOLCANO-ENGINE309


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States8669
2China3051
3Singapore855
4United Kingdom841
5Germany564
6France562
7India480
8Netherlands445
9Brazil355
10Hong Kong350

Monday, May 11, 2026

Botnet Statistics [2026-05-10]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-10 00:00-23:59 UTC
total number of suspected botnet IPs: 19819
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 18734
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900294550
25701156615
32210127484
41840119173
5326581673
6210964372
7901159661
8202039640
9999731539
102329056
RankNetwork# of suspected botnet IPs
1MSFT1416
2AL-31412
3INFRAWATCH1161
4GOOGLE-CLOUD1029
5PAN-22954
6ASEPL-SG478
7FR-ONYPHE-20191111448
8CENSY375
9cloud329
10VOLCANO-ENGINE313


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States9131
2China2647
3United Kingdom871
4Singapore811
5Netherlands619
6Germany569
7France568
8India392
9Hong Kong372
10Brazil300

Sunday, May 10, 2026

Botnet Statistics [2026-05-09]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-09 00:00-23:59 UTC
total number of suspected botnet IPs: 19696
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 18555
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
11840782834
23265652089
35318434503
42109310269
55900304807
65701249208
74486233674
85473227915
95676209606
103379156981
RankNetwork# of suspected botnet IPs
1AL-31434
2MSFT1415
3INFRAWATCH1157
4GOOGLE-CLOUD1020
5PAN-22952
6ASEPL-SG493
7FR-ONYPHE-20191111448
8CENSY371
9cloud311
10VOLCANO-ENGINE306


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States8462
2China2897
3United Kingdom855
4Singapore820
5Netherlands668
6France555
7Germany533
8India413
9Hong Kong370
10Brazil320

Saturday, May 9, 2026

Botnet Statistics [2026-05-08]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-08 00:00-23:59 UTC
total number of suspected botnet IPs: 20398
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19192
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
157011179542
21840872510
32109385681
43265363832
55900318286
65581271833
79997161975
82210138648
93379124422
1055482045
RankNetwork# of suspected botnet IPs
1AL-31430
2MSFT1408
3INFRAWATCH1102
4GOOGLE-CLOUD1032
5PAN-22952
6ASEPL-SG465
7FR-ONYPHE-20191111448
8CENSY367
9VOLCANO-ENGINE308
10cloud288


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States8456
2China3452
3United Kingdom798
4Singapore795
5Netherlands623
6France552
7Germany518
8India398
9Hong Kong388
10Brazil339

Friday, May 8, 2026

Botnet Statistics [2026-05-07]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-07 00:00-23:59 UTC
total number of suspected botnet IPs: 21618
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 20413
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900222724
22078139145
3554128030
42210103691
5777785439
6800082870
7600177432
8543273221
9330657697
10223151788
RankNetwork# of suspected botnet IPs
1AL-31450
2MSFT1431
3GOOGLE-CLOUD1046
4INFRAWATCH1009
5PAN-22954
6ASEPL-SG509
7FR-ONYPHE-20191111448
8CENSY377
9cloud312
10VOLCANO-ENGINE309


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States9294
2China3798
3United Kingdom936
4Singapore773
5Netherlands569
6France564
7Germany562
8India394
9Hong Kong392
10Indonesia361

Thursday, May 7, 2026

Botnet Statistics [2026-05-06]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-06 00:00-23:59 UTC
total number of suspected botnet IPs: 21048
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19533
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900241545
2221055508
3223151767
4202047132
52345715
6112245093
7600136644
82234650
9222233256
10792229587
RankNetwork# of suspected botnet IPs
1AL-31481
2MSFT1417
3GOOGLE-CLOUD1027
4INFRAWATCH1014
5PAN-22953
6ASEPL-SG499
7FR-ONYPHE-20191111448
8CENSY375
9VOLCANO-ENGINE306
10FR-ONYPHE-20221109240


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States8436
2China3595
3United Kingdom876
4Singapore800
5Netherlands569
6France567
7Germany564
8India442
9Brazil388
10Hong Kong367

Wednesday, May 6, 2026

Botnet Statistics [2026-05-05]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-05 00:00-23:59 UTC
total number of suspected botnet IPs: 22165
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 20932
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900413872
2222243769
3223143023
42242153
5220941936
6112240901
72336120
862231420
9191929777
103027165
RankNetwork# of suspected botnet IPs
1AL-31570
2MSFT1455
3INFRAWATCH1015
4GOOGLE-CLOUD1014
5PAN-22954
6ASEPL-SG546
7FR-ONYPHE-20191111448
8CENSY377
9cloud321
10VOLCANO-ENGINE314


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States9586
2China3688
3Singapore873
4United Kingdom867
5Netherlands616
6Germany587
7France583
8India411
9Brazil388
10Hong Kong358

Tuesday, May 5, 2026

Botnet Statistics [2026-05-04]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-04 00:00-23:59 UTC
total number of suspected botnet IPs: 21411
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19960
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900459548
2220953517
3301438860
42337450
5112236217
62236165
7222234731
8470928937
9762227438
10262224403
RankNetwork# of suspected botnet IPs
1AL-31579
2MSFT1454
3GOOGLE-CLOUD1023
4PAN-22954
5INFRAWATCH748
6ASEPL-SG541
7FR-ONYPHE-20191111448
8CENSY381
9VOLCANO-ENGINE308
10cloud303


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States9010
2China3761
3Singapore880
4United Kingdom854
5Netherlands585
6France564
7Brazil455
8India376
9Indonesia348
10Hong Kong331

Monday, May 4, 2026

Botnet Statistics [2026-05-03]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-03 00:00-23:59 UTC
total number of suspected botnet IPs: 21773
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 20593
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900419293
2220954126
32343051
445038936
5301436566
6228035091
7882132022
8222229268
92228994
10112227074
RankNetwork# of suspected botnet IPs
1AL-31545
2MSFT1463
3GOOGLE-CLOUD1041
4INFRAWATCH1001
5PAN-22952
6ASEPL-SG545
7FR-ONYPHE-20191111448
8CENSY375
9cloud335
10VOLCANO-ENGINE310


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States9713
2China3490
3Singapore925
4United Kingdom908
5Netherlands593
6France571
7Germany565
8Brazil484
9India357
10Hong Kong330

Sunday, May 3, 2026

Botnet Statistics [2026-05-02]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-02 00:00-23:59 UTC
total number of suspected botnet IPs: 21303
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 20049
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankTCP port number# of connection attempts received
15900474450
27777147065
358603135049
42387962
5882172995
6330672862
745063842
8535758961
9220954121
10225251267
RankNetwork# of suspected botnet IPs
1MSFT1490
2AL-31451
3INFRAWATCH1035
4GOOGLE-CLOUD1033
5PAN-22954
6ASEPL-SG523
7FR-ONYPHE-20191111448
8CENSY379
9cloud337
10VOLCANO-ENGINE321


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:


The top 10 TCP ports, ordered by the number of connection attempts received are:

RankCountry/Region# of suspected botnet IPs
1United States8832
2China3555
3Singapore877
4United Kingdom871
5Germany646
6Netherlands591
7France577
8Brazil510
9India459
10Hong Kong334
RankTCP port number# of connection attempts received
15900487709
223142035
37777125922
45860380778
5808862554
6225251265
7808240174
85100537866
91136136255
10220935092