detection period: 2026-03-11 00:00-23:59 UTC
total number of suspected botnet IPs: 18307
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 17208
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 | 1241 |
| 2 | MSFT | 1234 |
| 3 | GOOGLE-CLOUD | 1029 |
| 4 | PAN-22 | 946 |
| 5 | ASEPL-SG | 890 |
| 6 | FR-ONYPHE-20191111 | 447 |
| 7 | VOLCANO-ENGINE | 396 |
| 8 | CENSY | 366 |
| 9 | ALISOFT | 308 |
| 10 | UCLOUD-HK | 265 |
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 | 8313 |
| 2 | China | 3533 |
| 3 | Singapore | 1111 |
| 4 | France | 552 |
| 5 | Netherlands | 409 |
| 6 | Hong Kong | 383 |
| 7 | Indonesia | 337 |
| 8 | South Korea | 266 |
| 9 | United Kingdom | 246 |
| 10 | India | 240 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 198375 |
| 2 | 2203 | 86306 |
| 3 | 57496 | 71590 |
| 4 | 54034 | 63587 |
| 5 | 5155 | 63168 |
| 6 | 1196 | 50063 |
| 7 | 22 | 46145 |
| 8 | 55698 | 45791 |
| 9 | 6244 | 44852 |
| 10 | 36903 | 44089 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | AL-3 | 1276 |
| 2 | MSFT | 1237 |
| 3 | GOOGLE-CLOUD | 1033 |
| 4 | PAN-22 | 950 |
| 5 | ASEPL-SG | 914 |
| 6 | FR-ONYPHE-20191111 | 447 |
| 7 | VOLCANO-ENGINE | 393 |
| 8 | CENSY | 365 |
| 9 | ALISOFT | 320 |
| 10 | UCLOUD-HK | 278 |
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 | 9279 |
| 2 | China | 3540 |
| 3 | Singapore | 1232 |
| 4 | France | 554 |
| 5 | Hong Kong | 398 |
| 6 | Netherlands | 393 |
| 7 | Indonesia | 329 |
| 8 | Germany | 264 |
| 9 | United Kingdom | 255 |
| 10 | India | 241 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 188055 |
| 2 | 5866 | 122660 |
| 3 | 51868 | 120517 |
| 4 | 3736 | 92491 |
| 5 | 7146 | 82777 |
| 6 | 2271 | 68795 |
| 7 | 8601 | 65964 |
| 8 | 2345 | 65733 |
| 9 | 33316 | 56406 |
| 10 | 50303 | 48879 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | MSFT | 1242 |
| 2 | AL-3 | 1196 |
| 3 | GOOGLE-CLOUD | 996 |
| 4 | PAN-22 | 944 |
| 5 | ASEPL-SG | 868 |
| 6 | FR-ONYPHE-20191111 | 448 |
| 7 | VOLCANO-ENGINE | 403 |
| 8 | CENSY | 376 |
| 9 | ALISOFT | 298 |
| 10 | cloud | 280 |
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 | 8415 |
| 2 | China | 3734 |
| 3 | Singapore | 1179 |
| 4 | France | 559 |
| 5 | Netherlands | 367 |
| 6 | Indonesia | 342 |
| 7 | India | 330 |
| 8 | Hong Kong | 328 |
| 9 | South Korea | 308 |
| 10 | Russian Federation | 241 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 194830 |
| 2 | 2271 | 117983 |
| 3 | 1221 | 85942 |
| 4 | 22 | 51030 |
| 5 | 58208 | 49467 |
| 6 | 7906 | 46502 |
| 7 | 1922 | 43040 |
| 8 | 5435 | 40418 |
| 9 | 2628 | 39804 |
| 10 | 2250 | 34874 |