detection period: 2026-05-18 00:00-23:59 UTC
total number of suspected botnet IPs: 20607
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19638
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 | 1707 |
| 2 | MSFT | 1442 |
| 3 | INFRAWATCH | 1108 |
| 4 | GOOGLE-CLOUD | 1054 |
| 5 | PAN-22 | 962 |
| 6 | ACEVILLEPTELTD-SG | 845 |
| 7 | ASEPL-SG | 617 |
| 8 | FR-ONYPHE-20191111 | 448 |
| 9 | VOLCANO-ENGINE | 436 |
| 10 | CENSY | 374 |
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 | 9004 |
| 2 | China | 3287 |
| 3 | Singapore | 1633 |
| 4 | United Kingdom | 957 |
| 5 | Netherlands | 612 |
| 6 | Germany | 586 |
| 7 | France | 475 |
| 8 | Hong Kong | 358 |
| 9 | Indonesia | 322 |
| 10 | India | 261 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 167334 |
| 2 | 2332 | 44290 |
| 3 | 1722 | 43348 |
| 4 | 9011 | 38957 |
| 5 | 23 | 32605 |
| 6 | 2048 | 32262 |
| 7 | 2020 | 31597 |
| 8 | 5005 | 29410 |
| 9 | 4714 | 27040 |
| 10 | 7922 | 26013 |
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