detection period: 2025-12-19 00:00-23:59 UTC
total number of suspected botnet IPs: 21515
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 20171
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 | 1377 |
| 2 | AL-3 | 1040 |
| 3 | GOOGLE-CLOUD | 1013 |
| 4 | PAN-22 | 949 |
| 5 | BYTEPLUS-SG | 880 |
| 6 | ASEPL-SG | 620 |
| 7 | CMNET | 540 |
| 8 | VOLCANO-ENGINE | 526 |
| 9 | ALISOFT | 445 |
| 10 | CENSY | 379 |
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 | 7235 |
| 2 | China | 5242 |
| 3 | Singapore | 1696 |
| 4 | Hong Kong | 470 |
| 5 | India | 444 |
| 6 | Russian Federation | 396 |
| 7 | South Korea | 378 |
| 8 | United Kingdom | 345 |
| 9 | European Union | 324 |
| 10 | Indonesia | 318 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 400548 |
| 2 | 2229 | 115039 |
| 3 | 2299 | 77475 |
| 4 | 1985 | 73194 |
| 5 | 3232 | 63863 |
| 6 | 1122 | 58980 |
| 7 | 9898 | 56740 |
| 8 | 2212 | 52122 |
| 9 | 22 | 37591 |
| 10 | 60000 | 35368 |
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