detection period: 2025-05-23 00:00-23:59 UTC
total number of suspected botnet IPs: 20879
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19214
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 | 1383 |
| 2 | MSFT | 1275 |
| 3 | GOOGLE-CLOUD | 1002 |
| 4 | PAN-22 | 959 |
| 5 | ASEPL-SG | 935 |
| 6 | BSNLNET | 535 |
| 7 | HURRICANE-4 | 433 |
| 8 | ALISOFT | 429 |
| 9 | VOLCANO-ENGINE | 427 |
| 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 | 7749 |
| 2 | China | 4767 |
| 3 | Singapore | 1096 |
| 4 | India | 1047 |
| 5 | Netherlands | 594 |
| 6 | Hong Kong | 500 |
| 7 | United Kingdom | 387 |
| 8 | South Korea | 340 |
| 9 | Indonesia | 335 |
| 10 | European Union | 313 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 400265 |
| 2 | 3022 | 61945 |
| 3 | 6666 | 52522 |
| 4 | 22 | 31751 |
| 5 | 9022 | 21363 |
| 6 | 8002 | 16779 |
| 7 | 6000 | 15781 |
| 8 | 2244 | 14804 |
| 9 | 5522 | 14465 |
| 10 | 9422 | 13158 |
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