detection period: 2025-05-18 00:00-23:59 UTC
total number of suspected botnet IPs: 20918
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19278
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 | 1392 |
| 2 | AL-3 | 1388 |
| 3 | GOOGLE-CLOUD | 1003 |
| 4 | PAN-22 | 958 |
| 5 | ASEPL-SG | 876 |
| 6 | BSNLNET | 577 |
| 7 | ALISOFT | 459 |
| 8 | HURRICANE-4 | 431 |
| 9 | VOLCANO-ENGINE | 429 |
| 10 | CENSY | 397 |
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 | 8216 |
| 2 | China | 4769 |
| 3 | India | 1046 |
| 4 | Singapore | 1011 |
| 5 | Hong Kong | 488 |
| 6 | Netherlands | 455 |
| 7 | South Korea | 373 |
| 8 | United Kingdom | 325 |
| 9 | European Union | 306 |
| 10 | Indonesia | 274 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 3022 | 91086 |
| 2 | 6000 | 55744 |
| 3 | 33322 | 44212 |
| 4 | 20000 | 41192 |
| 5 | 22 | 39899 |
| 6 | 5900 | 39472 |
| 7 | 2244 | 32247 |
| 8 | 18022 | 28783 |
| 9 | 11222 | 23244 |
| 10 | 2222 | 16565 |
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