detection period: 2025-12-11 00:00-23:59 UTC
total number of suspected botnet IPs: 23484
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 22094
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:
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | MSFT | 1410 |
| 2 | AL-3 | 1072 |
| 3 | GOOGLE-CLOUD | 1013 |
| 4 | PAN-22 | 949 |
| 5 | BYTEPLUS-SG | 881 |
| 6 | ASEPL-SG | 665 |
| 7 | CMNET | 572 |
| 8 | VOLCANO-ENGINE | 564 |
| 9 | ALISOFT | 500 |
| 10 | CENSY | 378 |
The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:
| Rank | Country/Region | # of suspected botnet IPs |
|---|---|---|
| 1 | United States | 8353 |
| 2 | China | 5808 |
| 3 | Singapore | 1788 |
| 4 | Indonesia | 449 |
| 5 | Hong Kong | 440 |
| 6 | South Korea | 423 |
| 7 | India | 420 |
| 8 | United Kingdom | 395 |
| 9 | Germany | 370 |
| 10 | Brazil | 345 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 4242 | 123629 |
| 2 | 5900 | 107544 |
| 3 | 22 | 65522 |
| 4 | 1987 | 30989 |
| 5 | 3333 | 25457 |
| 6 | 8088 | 24428 |
| 7 | 5901 | 19744 |
| 8 | 5902 | 19571 |
| 9 | 3456 | 16793 |
| 10 | 2220 | 14620 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | MSFT | 1429 |
| 2 | AL-3 | 1092 |
| 3 | GOOGLE-CLOUD | 1007 |
| 4 | PAN-22 | 946 |
| 5 | BYTEPLUS-SG | 881 |
| 6 | ASEPL-SG | 678 |
| 7 | CMNET | 583 |
| 8 | VOLCANO-ENGINE | 556 |
| 9 | ALISOFT | 501 |
| 10 | CENSY | 373 |
The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:
| Rank | Country/Region | # of suspected botnet IPs |
|---|---|---|
| 1 | United States | 7499 |
| 2 | China | 5827 |
| 3 | Singapore | 1728 |
| 4 | India | 460 |
| 5 | Hong Kong | 456 |
| 6 | Indonesia | 440 |
| 7 | Germany | 389 |
| 8 | South Korea | 386 |
| 9 | United Kingdom | 350 |
| 10 | Brazil | 341 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 4242 | 123921 |
| 2 | 5900 | 108494 |
| 3 | 22 | 44740 |
| 4 | 2255 | 33027 |
| 5 | 5566 | 27241 |
| 6 | 8088 | 22648 |
| 7 | 3333 | 21715 |
| 8 | 5901 | 20468 |
| 9 | 5902 | 19473 |
| 10 | 5265 | 16248 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | MSFT | 1481 |
| 2 | AL-3 | 1136 |
| 3 | GOOGLE-CLOUD | 1013 |
| 4 | PAN-22 | 949 |
| 5 | BYTEPLUS-SG | 881 |
| 6 | ASEPL-SG | 713 |
| 7 | CMNET | 592 |
| 8 | VOLCANO-ENGINE | 571 |
| 9 | ALISOFT | 526 |
| 10 | CENSY | 378 |
The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:
| Rank | Country/Region | # of suspected botnet IPs |
|---|---|---|
| 1 | United States | 8809 |
| 2 | China | 6191 |
| 3 | Singapore | 1834 |
| 4 | India | 547 |
| 5 | Indonesia | 478 |
| 6 | Hong Kong | 457 |
| 7 | South Korea | 399 |
| 8 | Brazil | 369 |
| 9 | Russian Federation | 355 |
| 10 | United Kingdom | 343 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 100481 |
| 2 | 5566 | 94805 |
| 3 | 4242 | 78260 |
| 4 | 22 | 58933 |
| 5 | 1988 | 58718 |
| 6 | 2323 | 44602 |
| 7 | 2255 | 34106 |
| 8 | 3333 | 31594 |
| 9 | 5901 | 25297 |
| 10 | 8122 | 21906 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | MSFT | 1487 |
| 2 | AL-3 | 1110 |
| 3 | GOOGLE-CLOUD | 1009 |
| 4 | PAN-22 | 948 |
| 5 | BYTEPLUS-SG | 870 |
| 6 | ASEPL-SG | 698 |
| 7 | CMNET | 636 |
| 8 | VOLCANO-ENGINE | 577 |
| 9 | ALISOFT | 487 |
| 10 | CENSY | 380 |
The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:
| Rank | Country/Region | # of suspected botnet IPs |
|---|---|---|
| 1 | United States | 8056 |
| 2 | China | 5790 |
| 3 | Singapore | 1781 |
| 4 | India | 534 |
| 5 | Indonesia | 514 |
| 6 | Hong Kong | 471 |
| 7 | South Korea | 410 |
| 8 | Russian Federation | 390 |
| 9 | Netherlands | 378 |
| 10 | Brazil | 378 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 2323 | 112114 |
| 2 | 5900 | 110486 |
| 3 | 5566 | 94602 |
| 4 | 8122 | 73956 |
| 5 | 1988 | 72858 |
| 6 | 22 | 46202 |
| 7 | 2255 | 35664 |
| 8 | 6001 | 30411 |
| 9 | 8880 | 28015 |
| 10 | 3333 | 27808 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | MSFT | 1464 |
| 2 | AL-3 | 1054 |
| 3 | GOOGLE-CLOUD | 1015 |
| 4 | PAN-22 | 948 |
| 5 | BYTEPLUS-SG | 741 |
| 6 | ASEPL-SG | 667 |
| 7 | CMNET | 591 |
| 8 | VOLCANO-ENGINE | 532 |
| 9 | ALISOFT | 428 |
| 10 | CENSY | 377 |
The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:
| Rank | Country/Region | # of suspected botnet IPs |
|---|---|---|
| 1 | United States | 8336 |
| 2 | China | 4620 |
| 3 | Singapore | 1564 |
| 4 | Hong Kong | 468 |
| 5 | United Kingdom | 392 |
| 6 | India | 379 |
| 7 | South Korea | 377 |
| 8 | Netherlands | 366 |
| 9 | Brazil | 355 |
| 10 | Russian Federation | 317 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 108720 |
| 2 | 2323 | 100651 |
| 3 | 8122 | 75434 |
| 4 | 22 | 60956 |
| 5 | 8001 | 33615 |
| 6 | 5566 | 28716 |
| 7 | 5252 | 27995 |
| 8 | 5901 | 22890 |
| 9 | 3333 | 21379 |
| 10 | 222 | 20664 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | MSFT | 1455 |
| 2 | AL-3 | 1083 |
| 3 | GOOGLE-CLOUD | 1012 |
| 4 | PAN-22 | 949 |
| 5 | BYTEPLUS-SG | 742 |
| 6 | ASEPL-SG | 676 |
| 7 | CMNET | 565 |
| 8 | VOLCANO-ENGINE | 527 |
| 9 | ALISOFT | 436 |
| 10 | CENSY | 381 |
The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:
| Rank | Country/Region | # of suspected botnet IPs |
|---|---|---|
| 1 | United States | 7934 |
| 2 | China | 4384 |
| 3 | Singapore | 1548 |
| 4 | India | 461 |
| 5 | Hong Kong | 457 |
| 6 | United Kingdom | 399 |
| 7 | South Korea | 388 |
| 8 | Brazil | 343 |
| 9 | Netherlands | 338 |
| 10 | European Union | 308 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 105727 |
| 2 | 8888 | 86301 |
| 3 | 8122 | 77234 |
| 4 | 5252 | 54582 |
| 5 | 22 | 44874 |
| 6 | 66 | 24135 |
| 7 | 222 | 23919 |
| 8 | 5901 | 22945 |
| 9 | 3333 | 22190 |
| 10 | 5902 | 19128 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | MSFT | 1466 |
| 2 | AL-3 | 1069 |
| 3 | GOOGLE-CLOUD | 1011 |
| 4 | PAN-22 | 949 |
| 5 | BYTEPLUS-SG | 743 |
| 6 | ASEPL-SG | 680 |
| 7 | CMNET | 583 |
| 8 | VOLCANO-ENGINE | 543 |
| 9 | ALISOFT | 428 |
| 10 | CENSY | 383 |
The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:
| Rank | Country/Region | # of suspected botnet IPs |
|---|---|---|
| 1 | United States | 7726 |
| 2 | China | 4337 |
| 3 | Singapore | 1572 |
| 4 | Hong Kong | 456 |
| 5 | South Korea | 394 |
| 6 | India | 381 |
| 7 | United Kingdom | 367 |
| 8 | European Union | 314 |
| 9 | Indonesia | 301 |
| 10 | Taiwan | 300 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 117543 |
| 2 | 8888 | 97395 |
| 3 | 3233 | 86164 |
| 4 | 1989 | 82305 |
| 5 | 8877 | 61795 |
| 6 | 7788 | 60328 |
| 7 | 5252 | 54952 |
| 8 | 22 | 54143 |
| 9 | 8122 | 41774 |
| 10 | 4242 | 39040 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | MSFT | 1481 |
| 2 | AL-3 | 1080 |
| 3 | GOOGLE-CLOUD | 1021 |
| 4 | PAN-22 | 949 |
| 5 | BYTEPLUS-SG | 753 |
| 6 | ASEPL-SG | 686 |
| 7 | CLOUDFLARENET | 639 |
| 8 | VOLCANO-ENGINE | 552 |
| 9 | CMNET | 529 |
| 10 | ALISOFT | 432 |
The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:
| Rank | Country/Region | # of suspected botnet IPs |
|---|---|---|
| 1 | United States | 9403 |
| 2 | China | 4428 |
| 3 | Singapore | 1636 |
| 4 | India | 419 |
| 5 | United Kingdom | 405 |
| 6 | South Korea | 389 |
| 7 | Indonesia | 361 |
| 8 | Hong Kong | 346 |
| 9 | Russian Federation | 338 |
| 10 | Netherlands | 331 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 3233 | 132067 |
| 2 | 5900 | 114868 |
| 3 | 1989 | 71963 |
| 4 | 8877 | 62677 |
| 5 | 22 | 61698 |
| 6 | 7788 | 57876 |
| 7 | 5252 | 55676 |
| 8 | 14000 | 40366 |
| 9 | 8422 | 39885 |
| 10 | 2323 | 33697 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | MSFT | 1494 |
| 2 | AL-3 | 1093 |
| 3 | GOOGLE-CLOUD | 1005 |
| 4 | PAN-22 | 947 |
| 5 | BYTEPLUS-SG | 744 |
| 6 | ASEPL-SG | 690 |
| 7 | CMNET | 554 |
| 8 | VOLCANO-ENGINE | 547 |
| 9 | ALISOFT | 442 |
| 10 | CENSY | 377 |
The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:
| Rank | Country/Region | # of suspected botnet IPs |
|---|---|---|
| 1 | United States | 8269 |
| 2 | China | 4455 |
| 3 | Singapore | 1604 |
| 4 | Hong Kong | 479 |
| 5 | India | 429 |
| 6 | Indonesia | 416 |
| 7 | South Korea | 415 |
| 8 | United Kingdom | 394 |
| 9 | European Union | 352 |
| 10 | Russian Federation | 329 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 117720 |
| 2 | 8877 | 65963 |
| 3 | 7788 | 64269 |
| 4 | 22 | 51063 |
| 5 | 5252 | 43218 |
| 6 | 8422 | 39323 |
| 7 | 55222 | 36944 |
| 8 | 2277 | 25453 |
| 9 | 3233 | 24870 |
| 10 | 222 | 24827 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | MSFT | 1512 |
| 2 | AL-3 | 1153 |
| 3 | GOOGLE-CLOUD | 1010 |
| 4 | PAN-22 | 949 |
| 5 | BYTEPLUS-SG | 742 |
| 6 | ASEPL-SG | 690 |
| 7 | CLOUDFLARENET | 645 |
| 8 | VOLCANO-ENGINE | 543 |
| 9 | ALISOFT | 428 |
| 10 | CENSY | 381 |
The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:
| Rank | Country/Region | # of suspected botnet IPs |
|---|---|---|
| 1 | United States | 9185 |
| 2 | China | 3877 |
| 3 | Singapore | 1690 |
| 4 | Hong Kong | 443 |
| 5 | India | 422 |
| 6 | United Kingdom | 410 |
| 7 | South Korea | 368 |
| 8 | Indonesia | 342 |
| 9 | Netherlands | 335 |
| 10 | Russian Federation | 328 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 147965 |
| 2 | 8877 | 64290 |
| 3 | 7788 | 59434 |
| 4 | 55222 | 42725 |
| 5 | 3333 | 40017 |
| 6 | 22 | 39632 |
| 7 | 8422 | 39307 |
| 8 | 22112 | 37933 |
| 9 | 55488 | 30565 |
| 10 | 2002 | 26164 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | MSFT | 1484 |
| 2 | AL-3 | 1110 |
| 3 | GOOGLE-CLOUD | 1002 |
| 4 | PAN-22 | 941 |
| 5 | BYTEPLUS-SG | 750 |
| 6 | ASEPL-SG | 693 |
| 7 | CLOUDFLARENET | 645 |
| 8 | VOLCANO-ENGINE | 554 |
| 9 | ALISOFT | 422 |
| 10 | CENSY | 380 |
The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:
| Rank | Country/Region | # of suspected botnet IPs |
|---|---|---|
| 1 | United States | 8427 |
| 2 | China | 3812 |
| 3 | Singapore | 1615 |
| 4 | Hong Kong | 441 |
| 5 | India | 421 |
| 6 | United Kingdom | 382 |
| 7 | South Korea | 377 |
| 8 | Germany | 339 |
| 9 | Netherlands | 330 |
| 10 | Indonesia | 323 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 99337 |
| 2 | 5555 | 66667 |
| 3 | 3335 | 39247 |
| 4 | 6262 | 36855 |
| 5 | 55222 | 36745 |
| 6 | 8422 | 32254 |
| 7 | 22 | 28436 |
| 8 | 2002 | 28261 |
| 9 | 23 | 19718 |
| 10 | 7777 | 18788 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | MSFT | 1506 |
| 2 | AL-3 | 1109 |
| 3 | GOOGLE-CLOUD | 1005 |
| 4 | PAN-22 | 949 |
| 5 | BYTEPLUS-SG | 752 |
| 6 | ASEPL-SG | 698 |
| 7 | VOLCANO-ENGINE | 560 |
| 8 | ALISOFT | 425 |
| 9 | CENSY | 381 |
| 10 | LINODE-US | 312 |
The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:
| Rank | Country/Region | # of suspected botnet IPs |
|---|---|---|
| 1 | United States | 8657 |
| 2 | China | 3851 |
| 3 | Singapore | 1723 |
| 4 | Hong Kong | 458 |
| 5 | United Kingdom | 396 |
| 6 | India | 371 |
| 7 | South Korea | 349 |
| 8 | Netherlands | 327 |
| 9 | Brazil | 297 |
| 10 | Germany | 296 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 116451 |
| 2 | 6262 | 112280 |
| 3 | 5555 | 91305 |
| 4 | 22 | 56366 |
| 5 | 3335 | 40168 |
| 6 | 55222 | 38131 |
| 7 | 5588 | 26862 |
| 8 | 2002 | 24947 |
| 9 | 5901 | 23184 |
| 10 | 7777 | 20818 |