detection period: 2025-09-30 00:00-23:59 UTC
total number of suspected botnet IPs: 22349
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 20930
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 | 1246 |
| 3 | GOOGLE-CLOUD | 1093 |
| 4 | PAN-22 | 950 |
| 5 | ASEPL-SG | 879 |
| 6 | CMNET | 767 |
| 7 | VOLCANO-ENGINE | 551 |
| 8 | ALISOFT | 479 |
| 9 | CENSY | 395 |
| 10 | UCLOUD-HK | 344 |
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 | 8268 |
| 2 | China | 5411 |
| 3 | Singapore | 1152 |
| 4 | Hong Kong | 566 |
| 5 | South Korea | 502 |
| 6 | Indonesia | 458 |
| 7 | Russian Federation | 420 |
| 8 | India | 398 |
| 9 | United Kingdom | 341 |
| 10 | Viet Nam | 329 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 349408 |
| 2 | 2020 | 55320 |
| 3 | 5902 | 54330 |
| 4 | 2323 | 53110 |
| 5 | 4217 | 45344 |
| 6 | 8002 | 34750 |
| 7 | 9988 | 32267 |
| 8 | 1433 | 30225 |
| 9 | 2001 | 29872 |
| 10 | 5901 | 28050 |
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