detection period: 2025-12-17 00:00-23:59 UTC
total number of suspected botnet IPs: 22401
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 21000
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 | 1416 |
| 2 | AL-3 | 1043 |
| 3 | GOOGLE-CLOUD | 1009 |
| 4 | PAN-22 | 949 |
| 5 | BYTEPLUS-SG | 882 |
| 6 | ASEPL-SG | 614 |
| 7 | CMNET | 564 |
| 8 | VOLCANO-ENGINE | 542 |
| 9 | ALISOFT | 448 |
| 10 | CENSY | 364 |
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 | 7731 |
| 2 | China | 5463 |
| 3 | Singapore | 1776 |
| 4 | India | 467 |
| 5 | Hong Kong | 465 |
| 6 | South Korea | 413 |
| 7 | Indonesia | 400 |
| 8 | Russian Federation | 356 |
| 9 | United Kingdom | 353 |
| 10 | European Union | 313 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 239748 |
| 2 | 5555 | 85773 |
| 3 | 9999 | 76754 |
| 4 | 6969 | 74845 |
| 5 | 2299 | 70942 |
| 6 | 1122 | 64934 |
| 7 | 22 | 61004 |
| 8 | 8989 | 41628 |
| 9 | 2229 | 31436 |
| 10 | 2211 | 29422 |
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