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 |
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