detection period: 2025-09-15 00:00-23:59 UTC
total number of suspected botnet IPs: 20755
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19536
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 | MSFT | 1480 |
| 2 | AL-3 | 1364 |
| 3 | GOOGLE-CLOUD | 1038 |
| 4 | ASEPL-SG | 956 |
| 5 | PAN-22 | 932 |
| 6 | CMNET | 532 |
| 7 | ALISOFT | 527 |
| 8 | VOLCANO-ENGINE | 489 |
| 9 | UCLOUD-HK | 435 |
| 10 | CENSY | 393 |
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 | 7683 |
| 2 | China | 4652 |
| 3 | Singapore | 1340 |
| 4 | Hong Kong | 626 |
| 5 | South Korea | 457 |
| 6 | Indonesia | 452 |
| 7 | Russian Federation | 385 |
| 8 | United Kingdom | 329 |
| 9 | Viet Nam | 309 |
| 10 | India | 290 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 221 | 154004 |
| 2 | 9422 | 101845 |
| 3 | 5900 | 91561 |
| 4 | 1122 | 74867 |
| 5 | 4455 | 61786 |
| 6 | 51265 | 41669 |
| 7 | 57495 | 41580 |
| 8 | 5901 | 30256 |
| 9 | 6007 | 26846 |
| 10 | 23 | 26152 |
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