detection period: 2026-03-21 00:00-23:59 UTC
total number of suspected botnet IPs: 17275
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 16176
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 | 1335 |
| 2 | AL-3 | 1134 |
| 3 | GOOGLE-CLOUD | 1003 |
| 4 | PAN-22 | 949 |
| 5 | ASEPL-SG | 702 |
| 6 | CENSY | 480 |
| 7 | FR-ONYPHE-20191111 | 448 |
| 8 | VOLCANO-ENGINE | 391 |
| 9 | ALISOFT | 301 |
| 10 | cloud | 270 |
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 | 8096 |
| 2 | China | 3472 |
| 3 | Singapore | 1042 |
| 4 | France | 541 |
| 5 | Hong Kong | 320 |
| 6 | Netherlands | 310 |
| 7 | South Korea | 233 |
| 8 | Indonesia | 232 |
| 9 | United Kingdom | 222 |
| 10 | India | 210 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 2078 | 136306 |
| 2 | 5900 | 122566 |
| 3 | 888 | 116557 |
| 4 | 2204 | 101920 |
| 5 | 7777 | 98347 |
| 6 | 8015 | 96970 |
| 7 | 9443 | 91723 |
| 8 | 8082 | 81701 |
| 9 | 8000 | 65285 |
| 10 | 2299 | 60765 |
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