detection period: 2026-04-19 00:00-23:59 UTC
total number of suspected botnet IPs: 17119
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 16137
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 | 1463 |
| 2 | MSFT | 1376 |
| 3 | GOOGLE-CLOUD | 1002 |
| 4 | PAN-22 | 950 |
| 5 | ASEPL-SG | 489 |
| 6 | FR-ONYPHE-20191111 | 448 |
| 7 | CENSY | 381 |
| 8 | VOLCANO-ENGINE | 345 |
| 9 | cloud | 310 |
| 10 | UCLOUD-HK | 256 |
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 | 8533 |
| 2 | China | 2896 |
| 3 | Singapore | 800 |
| 4 | France | 590 |
| 5 | Netherlands | 385 |
| 6 | Hong Kong | 345 |
| 7 | Germany | 253 |
| 8 | United Kingdom | 250 |
| 9 | India | 233 |
| 10 | Russian Federation | 217 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 249425 |
| 2 | 25002 | 103579 |
| 3 | 2232 | 72918 |
| 4 | 2222 | 71187 |
| 5 | 6022 | 65771 |
| 6 | 2095 | 65198 |
| 7 | 2020 | 62177 |
| 8 | 9443 | 61318 |
| 9 | 2083 | 61264 |
| 10 | 2288 | 60761 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | AL-3 | 1509 |
| 2 | MSFT | 1403 |
| 3 | GOOGLE-CLOUD | 1017 |
| 4 | PAN-22 | 950 |
| 5 | ASEPL-SG | 490 |
| 6 | FR-ONYPHE-20191111 | 447 |
| 7 | CENSY | 379 |
| 8 | VOLCANO-ENGINE | 344 |
| 9 | cloud | 320 |
| 10 | UCLOUD-HK | 251 |
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 | 8149 |
| 2 | China | 3009 |
| 3 | Singapore | 781 |
| 4 | France | 556 |
| 5 | Netherlands | 388 |
| 6 | Hong Kong | 346 |
| 7 | Germany | 290 |
| 8 | India | 254 |
| 9 | Indonesia | 246 |
| 10 | United Kingdom | 227 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 259718 |
| 2 | 2095 | 172823 |
| 3 | 2222 | 134768 |
| 4 | 25002 | 104111 |
| 5 | 2232 | 75862 |
| 6 | 6022 | 67848 |
| 7 | 2020 | 65393 |
| 8 | 2288 | 62816 |
| 9 | 2083 | 61961 |
| 10 | 9088 | 55199 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | AL-3 | 1514 |
| 2 | MSFT | 1391 |
| 3 | GOOGLE-CLOUD | 998 |
| 4 | PAN-22 | 950 |
| 5 | ASEPL-SG | 485 |
| 6 | FR-ONYPHE-20191111 | 448 |
| 7 | CENSY | 371 |
| 8 | VOLCANO-ENGINE | 350 |
| 9 | cloud | 287 |
| 10 | UCLOUD-HK | 264 |
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 | 8071 |
| 2 | China | 3888 |
| 3 | Singapore | 783 |
| 4 | France | 545 |
| 5 | Netherlands | 380 |
| 6 | Hong Kong | 363 |
| 7 | Indonesia | 272 |
| 8 | India | 270 |
| 9 | Russian Federation | 256 |
| 10 | United Kingdom | 235 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 323673 |
| 2 | 25002 | 86046 |
| 3 | 2232 | 81004 |
| 4 | 6022 | 66146 |
| 5 | 10017 | 65188 |
| 6 | 2288 | 62914 |
| 7 | 2222 | 62611 |
| 8 | 2185 | 61707 |
| 9 | 2020 | 60505 |
| 10 | 1470 | 58828 |