detection period: 2025-08-18 00:00-23:59 UTC
total number of suspected botnet IPs: 19510
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 18131
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 | 1507 |
| 2 | AL-3 | 1285 |
| 3 | GOOGLE-CLOUD | 1010 |
| 4 | PAN-22 | 954 |
| 5 | ASEPL-SG | 851 |
| 6 | VOLCANO-ENGINE | 464 |
| 7 | ALISOFT | 453 |
| 8 | KORNET-KR | 439 |
| 9 | CENSY | 398 |
| 10 | UCLOUD-HK | 327 |
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 | 7670 |
| 2 | China | 3026 |
| 3 | Singapore | 1201 |
| 4 | South Korea | 649 |
| 5 | Hong Kong | 549 |
| 6 | Russian Federation | 421 |
| 7 | Taiwan | 385 |
| 8 | India | 338 |
| 9 | United Kingdom | 324 |
| 10 | Indonesia | 319 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 183777 |
| 2 | 666 | 131322 |
| 3 | 2255 | 114720 |
| 4 | 6000 | 103229 |
| 5 | 3333 | 73186 |
| 6 | 2244 | 48850 |
| 7 | 5901 | 47303 |
| 8 | 33333 | 42695 |
| 9 | 422 | 36813 |
| 10 | 1212 | 35494 |
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