detection period: 2026-05-28 00:00-23:59 UTC
total number of suspected botnet IPs: 20943
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19657
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 | 1841 |
| 2 | MSFT | 1435 |
| 3 | GOOGLE-CLOUD | 1062 |
| 4 | PAN-22 | 961 |
| 5 | INFRAWATCH | 720 |
| 6 | ASEPL-SG | 717 |
| 7 | VOLCANO-ENGINE | 509 |
| 8 | FR-ONYPHE-20191111 | 400 |
| 9 | CENSY | 371 |
| 10 | cloud | 296 |
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 | 9599 |
| 2 | China | 3799 |
| 3 | Singapore | 1091 |
| 4 | United Kingdom | 660 |
| 5 | Netherlands | 638 |
| 6 | France | 480 |
| 7 | Germany | 392 |
| 8 | Hong Kong | 369 |
| 9 | Indonesia | 320 |
| 10 | South Korea | 266 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 237800 |
| 2 | 2211 | 42385 |
| 3 | 4122 | 38191 |
| 4 | 8999 | 35428 |
| 5 | 8010 | 35346 |
| 6 | 1722 | 32980 |
| 7 | 7777 | 30440 |
| 8 | 8001 | 29488 |
| 9 | 8015 | 29427 |
| 10 | 5001 | 27858 |
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