detection period: 2026-04-28 00:00-23:59 UTC
total number of suspected botnet IPs: 20862
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19562
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 | 1529 |
| 2 | MSFT | 1438 |
| 3 | GOOGLE-CLOUD | 1031 |
| 4 | PAN-22 | 955 |
| 5 | ASEPL-SG | 492 |
| 6 | FR-ONYPHE-20191111 | 400 |
| 7 | CENSY | 382 |
| 8 | VOLCANO-ENGINE | 332 |
| 9 | INFRAWATCH | 331 |
| 10 | UCLOUD-HK | 266 |
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 | 9090 |
| 2 | China | 3687 |
| 3 | United Kingdom | 1022 |
| 4 | Singapore | 712 |
| 5 | Germany | 532 |
| 6 | France | 518 |
| 7 | Netherlands | 502 |
| 8 | Brazil | 412 |
| 9 | Hong Kong | 369 |
| 10 | Indonesia | 343 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 523212 |
| 2 | 221 | 76914 |
| 3 | 2208 | 41100 |
| 4 | 8088 | 36821 |
| 5 | 22 | 32698 |
| 6 | 1122 | 25098 |
| 7 | 110 | 23259 |
| 8 | 8082 | 22095 |
| 9 | 3503 | 19768 |
| 10 | 5700 | 18120 |
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