detection period: 2026-04-23 00:00-23:59 UTC
total number of suspected botnet IPs: 18755
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 17701
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 | 1412 |
| 2 | MSFT | 1316 |
| 3 | GOOGLE-CLOUD | 1042 |
| 4 | PAN-22 | 948 |
| 5 | ASEPL-SG | 489 |
| 6 | FR-ONYPHE-20191111 | 448 |
| 7 | CENSY | 379 |
| 8 | cloud | 323 |
| 9 | VOLCANO-ENGINE | 318 |
| 10 | UCLOUD-HK | 276 |
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 | 8781 |
| 2 | China | 3330 |
| 3 | Singapore | 841 |
| 4 | France | 580 |
| 5 | Indonesia | 393 |
| 6 | Hong Kong | 379 |
| 7 | Netherlands | 375 |
| 8 | India | 302 |
| 9 | Russian Federation | 281 |
| 10 | United Kingdom | 266 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 345085 |
| 2 | 1599 | 83037 |
| 3 | 8000 | 76103 |
| 4 | 2232 | 69911 |
| 5 | 3128 | 65979 |
| 6 | 8082 | 65939 |
| 7 | 7777 | 62047 |
| 8 | 5408 | 56980 |
| 9 | 5627 | 51494 |
| 10 | 21293 | 44442 |
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