detection period: 2025-05-13 00:00-23:59 UTC
total number of suspected botnet IPs: 25988
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 23414
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 | 1563 |
| 2 | AL-3 | 1324 |
| 3 | GOOGLE-CLOUD | 987 |
| 4 | PAN-22 | 949 |
| 5 | ASEPL-SG | 857 |
| 6 | BSNLNET | 803 |
| 7 | KORNET-KR | 481 |
| 8 | CMNET | 472 |
| 9 | ALISOFT | 455 |
| 10 | HURRICANE-4 | 438 |
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 | 8798 |
| 2 | China | 5581 |
| 3 | India | 1661 |
| 4 | Singapore | 1010 |
| 5 | South Korea | 756 |
| 6 | Hong Kong | 584 |
| 7 | Russian Federation | 516 |
| 8 | Netherlands | 489 |
| 9 | Germany | 408 |
| 10 | United Kingdom | 398 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 2228 | 87577 |
| 2 | 4444 | 63971 |
| 3 | 3022 | 58469 |
| 4 | 10000 | 48395 |
| 5 | 22 | 41742 |
| 6 | 9999 | 35959 |
| 7 | 8022 | 32894 |
| 8 | 4422 | 30407 |
| 9 | 2233 | 30116 |
| 10 | 5900 | 22627 |
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