detection period: 2025-05-21 00:00-23:59 UTC
total number of suspected botnet IPs: 19601
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 18075
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 | 1330 |
| 2 | AL-3 | 1316 |
| 3 | GOOGLE-CLOUD | 1001 |
| 4 | PAN-22 | 958 |
| 5 | ASEPL-SG | 850 |
| 6 | BSNLNET | 512 |
| 7 | VOLCANO-ENGINE | 425 |
| 8 | CENSY | 400 |
| 9 | HURRICANE-4 | 381 |
| 10 | ALISOFT | 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 | 7243 |
| 2 | China | 4529 |
| 3 | Singapore | 1006 |
| 4 | India | 1006 |
| 5 | Hong Kong | 468 |
| 6 | Netherlands | 358 |
| 7 | United Kingdom | 338 |
| 8 | European Union | 332 |
| 9 | South Korea | 329 |
| 10 | Indonesia | 329 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 7000 | 115160 |
| 2 | 3022 | 86424 |
| 3 | 2244 | 30652 |
| 4 | 8001 | 26659 |
| 5 | 5900 | 24377 |
| 6 | 23022 | 19056 |
| 7 | 22 | 18618 |
| 8 | 32132 | 14713 |
| 9 | 13032 | 14142 |
| 10 | 25 | 13278 |
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