detection period: 2026-02-21 00:00-23:59 UTC
total number of suspected botnet IPs: 18631
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 17665
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 | 1083 |
| 2 | GOOGLE-CLOUD | 1003 |
| 3 | PAN-22 | 950 |
| 4 | AL-3 | 938 |
| 5 | VOLCANO-ENGINE | 492 |
| 6 | FR-ONYPHE-20191111 | 448 |
| 7 | ASEPL-SG | 382 |
| 8 | CENSY | 379 |
| 9 | ALISOFT | 330 |
| 10 | UCLOUD-HK | 240 |
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 | 7596 |
| 2 | China | 4009 |
| 3 | Singapore | 671 |
| 4 | France | 571 |
| 5 | Hong Kong | 430 |
| 6 | India | 414 |
| 7 | Netherlands | 351 |
| 8 | Indonesia | 332 |
| 9 | South Korea | 321 |
| 10 | Russian Federation | 309 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 113464 |
| 2 | 2221 | 54286 |
| 3 | 22 | 41785 |
| 4 | 5902 | 36886 |
| 5 | 7000 | 35499 |
| 6 | 2245 | 33363 |
| 7 | 10008 | 31900 |
| 8 | 2222 | 31691 |
| 9 | 6222 | 31653 |
| 10 | 50122 | 30978 |
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