detection period: 2026-03-28 00:00-23:59 UTC
total number of suspected botnet IPs: 18437
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 17515
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 | 1720 |
| 2 | MSFT | 1337 |
| 3 | GOOGLE-CLOUD | 1001 |
| 4 | PAN-22 | 946 |
| 5 | ASEPL-SG | 900 |
| 6 | FR-ONYPHE-20191111 | 400 |
| 7 | CENSY | 367 |
| 8 | VOLCANO-ENGINE | 361 |
| 9 | cloud | 320 |
| 10 | ALISOFT | 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 | 8522 |
| 2 | China | 3562 |
| 3 | Singapore | 1361 |
| 4 | France | 471 |
| 5 | Hong Kong | 368 |
| 6 | Indonesia | 335 |
| 7 | Netherlands | 323 |
| 8 | India | 279 |
| 9 | Germany | 234 |
| 10 | South Korea | 227 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 364311 |
| 2 | 5357 | 90539 |
| 3 | 6622 | 79226 |
| 4 | 6666 | 75269 |
| 5 | 2078 | 65142 |
| 6 | 2299 | 60987 |
| 7 | 9443 | 55634 |
| 8 | 2222 | 52667 |
| 9 | 8082 | 52300 |
| 10 | 51005 | 51784 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | AL-3 | 1865 |
| 2 | MSFT | 1341 |
| 3 | GOOGLE-CLOUD | 1002 |
| 4 | ASEPL-SG | 975 |
| 5 | PAN-22 | 950 |
| 6 | FR-ONYPHE-20191111 | 410 |
| 7 | VOLCANO-ENGINE | 369 |
| 8 | CENSY | 364 |
| 9 | ALISOFT | 297 |
| 10 | UCLOUD-HK | 263 |
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 | 8447 |
| 2 | China | 3817 |
| 3 | Singapore | 1298 |
| 4 | France | 483 |
| 5 | Hong Kong | 374 |
| 6 | Indonesia | 361 |
| 7 | Netherlands | 333 |
| 8 | India | 292 |
| 9 | South Korea | 271 |
| 10 | United Kingdom | 221 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 405824 |
| 2 | 2078 | 101370 |
| 3 | 2204 | 89787 |
| 4 | 8015 | 88288 |
| 5 | 8082 | 74027 |
| 6 | 2222 | 73805 |
| 7 | 8000 | 71101 |
| 8 | 9443 | 65225 |
| 9 | 2299 | 60553 |
| 10 | 2255 | 60228 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | AL-3 | 1863 |
| 2 | MSFT | 1350 |
| 3 | ASEPL-SG | 980 |
| 4 | GOOGLE-CLOUD | 926 |
| 5 | PAN-22 | 910 |
| 6 | FR-ONYPHE-20191111 | 448 |
| 7 | VOLCANO-ENGINE | 366 |
| 8 | CENSY | 365 |
| 9 | cloud | 328 |
| 10 | ALISOFT | 295 |
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 | 8985 |
| 2 | China | 3457 |
| 3 | Singapore | 1445 |
| 4 | France | 566 |
| 5 | Indonesia | 387 |
| 6 | Netherlands | 361 |
| 7 | Hong Kong | 356 |
| 8 | India | 298 |
| 9 | South Korea | 273 |
| 10 | United Kingdom | 259 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 445878 |
| 2 | 2078 | 177923 |
| 3 | 2204 | 105101 |
| 4 | 8000 | 85372 |
| 5 | 888 | 85247 |
| 6 | 5357 | 80880 |
| 7 | 554 | 79532 |
| 8 | 2000 | 76415 |
| 9 | 6000 | 74702 |
| 10 | 7722 | 70084 |