detection period: 2026-04-13 00:00-23:59 UTC
total number of suspected botnet IPs: 17557
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 16838
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 | 1391 |
| 2 | AL-3 | 1148 |
| 3 | GOOGLE-CLOUD | 1004 |
| 4 | PAN-22 | 950 |
| 5 | FR-ONYPHE-20191111 | 448 |
| 6 | CENSY | 379 |
| 7 | VOLCANO-ENGINE | 360 |
| 8 | cloud | 340 |
| 9 | ASEPL-SG | 313 |
| 10 | UCLOUD-HK | 258 |
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 | 7884 |
| 2 | China | 3904 |
| 3 | Singapore | 640 |
| 4 | France | 550 |
| 5 | Hong Kong | 361 |
| 6 | Netherlands | 338 |
| 7 | Indonesia | 301 |
| 8 | India | 288 |
| 9 | Russian Federation | 258 |
| 10 | United Kingdom | 246 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 346775 |
| 2 | 7777 | 157905 |
| 3 | 2095 | 142649 |
| 4 | 9443 | 106940 |
| 5 | 5901 | 68145 |
| 6 | 2288 | 62980 |
| 7 | 2206 | 62242 |
| 8 | 2222 | 58353 |
| 9 | 4322 | 56679 |
| 10 | 2232 | 55898 |
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