detection period: 2025-12-18 00:00-23:59 UTC
total number of suspected botnet IPs: 22502
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 21173
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 | 1432 |
| 2 | AL-3 | 1038 |
| 3 | GOOGLE-CLOUD | 1017 |
| 4 | PAN-22 | 949 |
| 5 | BYTEPLUS-SG | 880 |
| 6 | ASEPL-SG | 621 |
| 7 | CMNET | 529 |
| 8 | VOLCANO-ENGINE | 524 |
| 9 | ALISOFT | 444 |
| 10 | CENSY | 380 |
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 | 8118 |
| 2 | China | 5296 |
| 3 | Singapore | 1748 |
| 4 | Hong Kong | 482 |
| 5 | India | 415 |
| 6 | South Korea | 403 |
| 7 | Russian Federation | 383 |
| 8 | Indonesia | 356 |
| 9 | United Kingdom | 352 |
| 10 | Brazil | 310 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 264101 |
| 2 | 2229 | 115402 |
| 3 | 6969 | 90117 |
| 4 | 2299 | 75468 |
| 5 | 1122 | 64673 |
| 6 | 22 | 53332 |
| 7 | 3232 | 49338 |
| 8 | 7000 | 46384 |
| 9 | 1985 | 32312 |
| 10 | 2211 | 29050 |
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