detection period: 2026-05-17 00:00-23:59 UTC
total number of suspected botnet IPs: 21099
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 20081
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 | 1669 |
| 2 | MSFT | 1425 |
| 3 | GOOGLE-CLOUD | 1024 |
| 4 | PAN-22 | 952 |
| 5 | ACEVILLEPTELTD-SG | 843 |
| 6 | INFRAWATCH | 784 |
| 7 | ASEPL-SG | 581 |
| 8 | FR-ONYPHE-20191111 | 448 |
| 9 | VOLCANO-ENGINE | 425 |
| 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 | 9394 |
| 2 | China | 3490 |
| 3 | Singapore | 1543 |
| 4 | United Kingdom | 729 |
| 5 | Netherlands | 560 |
| 6 | Germany | 528 |
| 7 | France | 480 |
| 8 | Hong Kong | 359 |
| 9 | Indonesia | 329 |
| 10 | India | 290 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 228987 |
| 2 | 1722 | 39765 |
| 3 | 23 | 38639 |
| 4 | 2020 | 30385 |
| 5 | 5005 | 29226 |
| 6 | 7922 | 28865 |
| 7 | 2048 | 27599 |
| 8 | 5902 | 26847 |
| 9 | 5322 | 25204 |
| 10 | 2122 | 24765 |
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