detection period: 2026-04-25 00:00-23:59 UTC
total number of suspected botnet IPs: 19902
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 18894
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 | 1516 |
| 2 | MSFT | 1461 |
| 3 | GOOGLE-CLOUD | 1007 |
| 4 | PAN-22 | 953 |
| 5 | CLOUDFLARENET | 727 |
| 6 | ASEPL-SG | 528 |
| 7 | FR-ONYPHE-20191111 | 448 |
| 8 | CENSY | 375 |
| 9 | VOLCANO-ENGINE | 314 |
| 10 | cloud | 310 |
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 | 8995 |
| 2 | China | 3557 |
| 3 | United Kingdom | 1013 |
| 4 | Singapore | 837 |
| 5 | France | 569 |
| 6 | Netherlands | 448 |
| 7 | Hong Kong | 371 |
| 8 | Indonesia | 347 |
| 9 | India | 296 |
| 10 | Brazil | 271 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 358994 |
| 2 | 7473 | 283595 |
| 3 | 4092 | 275193 |
| 4 | 9164 | 210557 |
| 5 | 25900 | 189419 |
| 6 | 8153 | 188548 |
| 7 | 1871 | 186305 |
| 8 | 6689 | 186070 |
| 9 | 1890 | 160476 |
| 10 | 5356 | 144340 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | AL-3 | 1459 |
| 2 | MSFT | 1449 |
| 3 | GOOGLE-CLOUD | 1033 |
| 4 | PAN-22 | 956 |
| 5 | ASEPL-SG | 514 |
| 6 | FR-ONYPHE-20191111 | 448 |
| 7 | CENSY | 382 |
| 8 | cloud | 330 |
| 9 | VOLCANO-ENGINE | 317 |
| 10 | UCLOUD-HK | 268 |
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 | 8157 |
| 2 | China | 3372 |
| 3 | Singapore | 856 |
| 4 | United Kingdom | 614 |
| 5 | France | 558 |
| 6 | Hong Kong | 379 |
| 7 | Netherlands | 373 |
| 8 | Indonesia | 366 |
| 9 | India | 311 |
| 10 | Russian Federation | 261 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 330385 |
| 2 | 2232 | 70215 |
| 3 | 8015 | 56029 |
| 4 | 5357 | 55925 |
| 5 | 8088 | 52429 |
| 6 | 5408 | 45098 |
| 7 | 8000 | 35728 |
| 8 | 6318 | 34615 |
| 9 | 7277 | 29787 |
| 10 | 2078 | 29153 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | AL-3 | 1412 |
| 2 | MSFT | 1316 |
| 3 | GOOGLE-CLOUD | 1042 |
| 4 | PAN-22 | 948 |
| 5 | ASEPL-SG | 489 |
| 6 | FR-ONYPHE-20191111 | 448 |
| 7 | CENSY | 379 |
| 8 | cloud | 323 |
| 9 | VOLCANO-ENGINE | 318 |
| 10 | UCLOUD-HK | 276 |
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 | 8781 |
| 2 | China | 3330 |
| 3 | Singapore | 841 |
| 4 | France | 580 |
| 5 | Indonesia | 393 |
| 6 | Hong Kong | 379 |
| 7 | Netherlands | 375 |
| 8 | India | 302 |
| 9 | Russian Federation | 281 |
| 10 | United Kingdom | 266 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 345085 |
| 2 | 1599 | 83037 |
| 3 | 8000 | 76103 |
| 4 | 2232 | 69911 |
| 5 | 3128 | 65979 |
| 6 | 8082 | 65939 |
| 7 | 7777 | 62047 |
| 8 | 5408 | 56980 |
| 9 | 5627 | 51494 |
| 10 | 21293 | 44442 |