detection period: 2025-05-19 00:00-23:59 UTC
total number of suspected botnet IPs: 21114
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19328
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 | 1371 |
| 2 | MSFT | 1364 |
| 3 | GOOGLE-CLOUD | 979 |
| 4 | PAN-22 | 948 |
| 5 | ASEPL-SG | 868 |
| 6 | BSNLNET | 573 |
| 7 | ALISOFT | 452 |
| 8 | VOLCANO-ENGINE | 442 |
| 9 | HURRICANE-4 | 431 |
| 10 | CENSY | 400 |
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 | 7901 |
| 2 | China | 5051 |
| 3 | India | 1106 |
| 4 | Singapore | 1008 |
| 5 | Hong Kong | 494 |
| 6 | South Korea | 380 |
| 7 | Indonesia | 343 |
| 8 | European Union | 317 |
| 9 | United Kingdom | 314 |
| 10 | Russian Federation | 307 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 3022 | 87993 |
| 2 | 6000 | 67718 |
| 3 | 5900 | 48462 |
| 4 | 11222 | 46503 |
| 5 | 2244 | 32986 |
| 6 | 22222 | 30405 |
| 7 | 22 | 27123 |
| 8 | 5000 | 18436 |
| 9 | 1220 | 17504 |
| 10 | 11022 | 16623 |
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