detection period: 2025-11-27 00:00-23:59 UTC
total number of suspected botnet IPs: 23556
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 22062
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 | 1527 |
| 2 | AL-3 | 1165 |
| 3 | GOOGLE-CLOUD | 1006 |
| 4 | PAN-22 | 949 |
| 5 | BYTEPLUS-SG | 751 |
| 6 | ASEPL-SG | 741 |
| 7 | VOLCANO-ENGINE | 553 |
| 8 | ALISOFT | 458 |
| 9 | CENSY | 381 |
| 10 | CMNET | 366 |
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 | 9084 |
| 2 | China | 4805 |
| 3 | Singapore | 1772 |
| 4 | Hong Kong | 497 |
| 5 | South Korea | 461 |
| 6 | India | 420 |
| 7 | United Kingdom | 402 |
| 8 | Brazil | 372 |
| 9 | Indonesia | 365 |
| 10 | Russian Federation | 357 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 8322 | 107619 |
| 2 | 5555 | 101793 |
| 3 | 5900 | 96680 |
| 4 | 12222 | 65738 |
| 5 | 8888 | 45318 |
| 6 | 22 | 38483 |
| 7 | 6622 | 30462 |
| 8 | 3232 | 26983 |
| 9 | 55522 | 22202 |
| 10 | 45454 | 19281 |
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