detection period: 2025-08-26 00:00-23:59 UTC
total number of suspected botnet IPs: 18522
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 17456
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 | AL-3 | 1301 |
| 2 | MSFT | 1103 |
| 3 | GOOGLE-CLOUD | 1010 |
| 4 | PAN-22 | 952 |
| 5 | ASEPL-SG | 858 |
| 6 | VOLCANO-ENGINE | 461 |
| 7 | ALISOFT | 429 |
| 8 | CENSY | 393 |
| 9 | KORNET-KR | 384 |
| 10 | UCLOUD-HK | 361 |
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 | 7425 |
| 2 | China | 3928 |
| 3 | Singapore | 1140 |
| 4 | South Korea | 559 |
| 5 | Hong Kong | 535 |
| 6 | Indonesia | 339 |
| 7 | Russian Federation | 326 |
| 8 | European Union | 291 |
| 9 | United Kingdom | 273 |
| 10 | India | 268 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 268580 |
| 2 | 555 | 92618 |
| 3 | 2228 | 84057 |
| 4 | 3333 | 65758 |
| 5 | 22322 | 52184 |
| 6 | 6001 | 51346 |
| 7 | 6003 | 50182 |
| 8 | 6002 | 48279 |
| 9 | 33333 | 47620 |
| 10 | 850 | 46970 |
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