detection period: 2025-09-14 00:00-23:59 UTC
total number of suspected botnet IPs: 20549
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19385
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 | 1451 |
| 2 | AL-3 | 1331 |
| 3 | GOOGLE-CLOUD | 1030 |
| 4 | PAN-22 | 933 |
| 5 | ASEPL-SG | 875 |
| 6 | CMNET | 547 |
| 7 | ALISOFT | 541 |
| 8 | VOLCANO-ENGINE | 492 |
| 9 | UCLOUD-HK | 434 |
| 10 | CENSY | 396 |
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 | 7938 |
| 2 | China | 4620 |
| 3 | Singapore | 1283 |
| 4 | Hong Kong | 623 |
| 5 | South Korea | 468 |
| 6 | Indonesia | 390 |
| 7 | United Kingdom | 345 |
| 8 | Russian Federation | 328 |
| 9 | Viet Nam | 286 |
| 10 | Germany | 271 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 9422 | 103754 |
| 2 | 1122 | 99819 |
| 3 | 5900 | 97139 |
| 4 | 5901 | 46812 |
| 5 | 220 | 37774 |
| 6 | 5902 | 34073 |
| 7 | 22 | 25499 |
| 8 | 20220 | 20458 |
| 9 | 9122 | 18476 |
| 10 | 8022 | 16399 |
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