detection period: 2026-05-20 00:00-23:59 UTC
total number of suspected botnet IPs: 20047
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 18879
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 | 1595 |
| 2 | MSFT | 1443 |
| 3 | GOOGLE-CLOUD | 1056 |
| 4 | PAN-22 | 962 |
| 5 | INFRAWATCH | 859 |
| 6 | ACEVILLEPTELTD-SG | 728 |
| 7 | ASEPL-SG | 569 |
| 8 | FR-ONYPHE-20191111 | 448 |
| 9 | VOLCANO-ENGINE | 424 |
| 10 | CENSY | 372 |
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 | 8764 |
| 2 | China | 3720 |
| 3 | Singapore | 1380 |
| 4 | United Kingdom | 842 |
| 5 | Netherlands | 606 |
| 6 | France | 458 |
| 7 | Hong Kong | 358 |
| 8 | Indonesia | 284 |
| 9 | Germany | 282 |
| 10 | South Korea | 273 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 296862 |
| 2 | 2261 | 66170 |
| 3 | 1722 | 47385 |
| 4 | 22020 | 34436 |
| 5 | 2332 | 33821 |
| 6 | 1122 | 30719 |
| 7 | 4714 | 30085 |
| 8 | 822 | 27570 |
| 9 | 4717 | 26741 |
| 10 | 5902 | 25766 |
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