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:
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | AL-3 | 1752 |
| 2 | MSFT | 1434 |
| 3 | GOOGLE-CLOUD | 1029 |
| 4 | PAN-22 | 953 |
| 5 | INFRAWATCH | 889 |
| 6 | ASEPL-SG | 637 |
| 7 | FR-ONYPHE-20191111 | 448 |
| 8 | VOLCANO-ENGINE | 439 |
| 9 | CENSY | 373 |
| 10 | cloud | 291 |
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 | 9405 |
| 2 | China | 3575 |
| 3 | Singapore | 1086 |
| 4 | United Kingdom | 887 |
| 5 | Netherlands | 745 |
| 6 | France | 596 |
| 7 | India | 509 |
| 8 | Indonesia | 493 |
| 9 | Brazil | 486 |
| 10 | Germany | 440 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 275627 |
| 2 | 2210 | 149987 |
| 3 | 1840 | 50113 |
| 4 | 5701 | 46741 |
| 5 | 9011 | 45007 |
| 6 | 2020 | 33357 |
| 7 | 3265 | 32028 |
| 8 | 23 | 31552 |
| 9 | 5999 | 31397 |
| 10 | 5902 | 24720 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | AL-3 | 1517 |
| 2 | MSFT | 1390 |
| 3 | GOOGLE-CLOUD | 1037 |
| 4 | PAN-22 | 955 |
| 5 | INFRAWATCH | 933 |
| 6 | ASEPL-SG | 499 |
| 7 | FR-ONYPHE-20191111 | 448 |
| 8 | CENSY | 374 |
| 9 | cloud | 340 |
| 10 | VOLCANO-ENGINE | 309 |
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 | 8669 |
| 2 | China | 3051 |
| 3 | Singapore | 855 |
| 4 | United Kingdom | 841 |
| 5 | Germany | 564 |
| 6 | France | 562 |
| 7 | India | 480 |
| 8 | Netherlands | 445 |
| 9 | Brazil | 355 |
| 10 | Hong Kong | 350 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 294550 |
| 2 | 5701 | 156615 |
| 3 | 2210 | 127484 |
| 4 | 1840 | 119173 |
| 5 | 3265 | 81673 |
| 6 | 2109 | 64372 |
| 7 | 9011 | 59661 |
| 8 | 2020 | 39640 |
| 9 | 9997 | 31539 |
| 10 | 23 | 29056 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | MSFT | 1416 |
| 2 | AL-3 | 1412 |
| 3 | INFRAWATCH | 1161 |
| 4 | GOOGLE-CLOUD | 1029 |
| 5 | PAN-22 | 954 |
| 6 | ASEPL-SG | 478 |
| 7 | FR-ONYPHE-20191111 | 448 |
| 8 | CENSY | 375 |
| 9 | cloud | 329 |
| 10 | VOLCANO-ENGINE | 313 |
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 | 9131 |
| 2 | China | 2647 |
| 3 | United Kingdom | 871 |
| 4 | Singapore | 811 |
| 5 | Netherlands | 619 |
| 6 | Germany | 569 |
| 7 | France | 568 |
| 8 | India | 392 |
| 9 | Hong Kong | 372 |
| 10 | Brazil | 300 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 1840 | 782834 |
| 2 | 3265 | 652089 |
| 3 | 5318 | 434503 |
| 4 | 2109 | 310269 |
| 5 | 5900 | 304807 |
| 6 | 5701 | 249208 |
| 7 | 4486 | 233674 |
| 8 | 5473 | 227915 |
| 9 | 5676 | 209606 |
| 10 | 3379 | 156981 |