detection period: 2025-08-27 00:00-23:59 UTC
total number of suspected botnet IPs: 20441
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19008
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 | 1537 |
| 2 | AL-3 | 1312 |
| 3 | GOOGLE-CLOUD | 1004 |
| 4 | PAN-22 | 952 |
| 5 | ASEPL-SG | 835 |
| 6 | VOLCANO-ENGINE | 466 |
| 7 | ALISOFT | 455 |
| 8 | KORNET-KR | 410 |
| 9 | CENSY | 392 |
| 10 | UCLOUD-HK | 369 |
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 | 8047 |
| 2 | China | 3868 |
| 3 | Singapore | 1091 |
| 4 | South Korea | 604 |
| 5 | Hong Kong | 581 |
| 6 | Indonesia | 362 |
| 7 | United Kingdom | 359 |
| 8 | Russian Federation | 333 |
| 9 | India | 264 |
| 10 | Romania | 263 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 199889 |
| 2 | 3333 | 71268 |
| 3 | 6669 | 66021 |
| 4 | 33333 | 52288 |
| 5 | 22322 | 46413 |
| 6 | 9223 | 44749 |
| 7 | 6001 | 43188 |
| 8 | 5901 | 42450 |
| 9 | 2211 | 40929 |
| 10 | 6003 | 38610 |
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