detection period: 2026-02-21 00:00-23:59 UTC
total number of suspected botnet IPs: 18631
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 17665
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 | 1083 |
| 2 | GOOGLE-CLOUD | 1003 |
| 3 | PAN-22 | 950 |
| 4 | AL-3 | 938 |
| 5 | VOLCANO-ENGINE | 492 |
| 6 | FR-ONYPHE-20191111 | 448 |
| 7 | ASEPL-SG | 382 |
| 8 | CENSY | 379 |
| 9 | ALISOFT | 330 |
| 10 | UCLOUD-HK | 240 |
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 | 7596 |
| 2 | China | 4009 |
| 3 | Singapore | 671 |
| 4 | France | 571 |
| 5 | Hong Kong | 430 |
| 6 | India | 414 |
| 7 | Netherlands | 351 |
| 8 | Indonesia | 332 |
| 9 | South Korea | 321 |
| 10 | Russian Federation | 309 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 113464 |
| 2 | 2221 | 54286 |
| 3 | 22 | 41785 |
| 4 | 5902 | 36886 |
| 5 | 7000 | 35499 |
| 6 | 2245 | 33363 |
| 7 | 10008 | 31900 |
| 8 | 2222 | 31691 |
| 9 | 6222 | 31653 |
| 10 | 50122 | 30978 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | AL-3 | 1322 |
| 2 | MSFT | 1210 |
| 3 | GOOGLE-CLOUD | 1010 |
| 4 | PAN-22 | 950 |
| 5 | VOLCANO-ENGINE | 496 |
| 6 | FR-ONYPHE-20191111 | 448 |
| 7 | ASEPL-SG | 398 |
| 8 | CENSY | 381 |
| 9 | ALISOFT | 338 |
| 10 | CMNET | 305 |
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 | 8925 |
| 2 | China | 4478 |
| 3 | Singapore | 755 |
| 4 | France | 569 |
| 5 | India | 511 |
| 6 | Hong Kong | 453 |
| 7 | Netherlands | 424 |
| 8 | Indonesia | 376 |
| 9 | Russian Federation | 368 |
| 10 | South Korea | 324 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 121986 |
| 2 | 22 | 78737 |
| 3 | 2221 | 56913 |
| 4 | 1022 | 55901 |
| 5 | 11021 | 46952 |
| 6 | 7422 | 46369 |
| 7 | 4400 | 44772 |
| 8 | 6822 | 42543 |
| 9 | 8322 | 41706 |
| 10 | 19021 | 37843 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | AL-3 | 1322 |
| 2 | MSFT | 1187 |
| 3 | GOOGLE-CLOUD | 1010 |
| 4 | PAN-22 | 950 |
| 5 | VOLCANO-ENGINE | 502 |
| 6 | FR-ONYPHE-20191111 | 448 |
| 7 | ASEPL-SG | 414 |
| 8 | CENSY | 381 |
| 9 | ALISOFT | 345 |
| 10 | CMNET | 302 |
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 | 9429 |
| 2 | China | 4463 |
| 3 | Singapore | 754 |
| 4 | France | 578 |
| 5 | India | 495 |
| 6 | Hong Kong | 447 |
| 7 | Netherlands | 430 |
| 8 | Indonesia | 395 |
| 9 | Russian Federation | 380 |
| 10 | Germany | 334 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 128943 |
| 2 | 6000 | 81286 |
| 3 | 7021 | 66680 |
| 4 | 2221 | 58986 |
| 5 | 22 | 58664 |
| 6 | 1022 | 43938 |
| 7 | 38014 | 41127 |
| 8 | 4021 | 40041 |
| 9 | 7500 | 39989 |
| 10 | 2243 | 35205 |