detection period: 2026-04-21 00:00-23:59 UTC
total number of suspected botnet IPs: 20123
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 18939
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 | 1592 |
| 2 | MSFT | 1406 |
| 3 | GOOGLE-CLOUD | 1009 |
| 4 | PAN-22 | 950 |
| 5 | ASEPL-SG | 561 |
| 6 | FR-ONYPHE-20191111 | 448 |
| 7 | VOLCANO-ENGINE | 393 |
| 8 | CENSY | 366 |
| 9 | cloud | 331 |
| 10 | UCLOUD-HK | 273 |
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 | 9327 |
| 2 | China | 3396 |
| 3 | Singapore | 859 |
| 4 | France | 613 |
| 5 | Indonesia | 483 |
| 6 | Netherlands | 451 |
| 7 | Hong Kong | 405 |
| 8 | India | 389 |
| 9 | Germany | 335 |
| 10 | Russian Federation | 308 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 373637 |
| 2 | 2232 | 75172 |
| 3 | 4157 | 52271 |
| 4 | 2288 | 50693 |
| 5 | 3098 | 43832 |
| 6 | 9051 | 37750 |
| 7 | 8000 | 36095 |
| 8 | 7777 | 33120 |
| 9 | 8082 | 32861 |
| 10 | 2509 | 30024 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | AL-3 | 1480 |
| 2 | MSFT | 1375 |
| 3 | GOOGLE-CLOUD | 1018 |
| 4 | PAN-22 | 950 |
| 5 | ASEPL-SG | 469 |
| 6 | FR-ONYPHE-20191111 | 448 |
| 7 | CENSY | 381 |
| 8 | VOLCANO-ENGINE | 352 |
| 9 | UCLOUD-HK | 268 |
| 10 | FR-ONYPHE-20221109 | 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 | 8030 |
| 2 | China | 3028 |
| 3 | Singapore | 747 |
| 4 | France | 559 |
| 5 | Netherlands | 410 |
| 6 | Hong Kong | 362 |
| 7 | India | 299 |
| 8 | Indonesia | 290 |
| 9 | United Kingdom | 242 |
| 10 | Russian Federation | 240 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 324826 |
| 2 | 8473 | 105547 |
| 3 | 6085 | 96090 |
| 4 | 5106 | 79927 |
| 5 | 7697 | 78305 |
| 6 | 2232 | 75409 |
| 7 | 3098 | 72963 |
| 8 | 25002 | 69242 |
| 9 | 667 | 65996 |
| 10 | 2288 | 62137 |
| 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 |