detection period: 2026-05-01 00:00-23:59 UTC
total number of suspected botnet IPs: 22256
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 20879
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 | 1519 |
| 2 | MSFT | 1453 |
| 3 | GOOGLE-CLOUD | 1042 |
| 4 | INFRAWATCH | 1004 |
| 5 | PAN-22 | 952 |
| 6 | ASEPL-SG | 516 |
| 7 | FR-ONYPHE-20191111 | 448 |
| 8 | CENSY | 382 |
| 9 | cloud | 316 |
| 10 | VOLCANO-ENGINE | 312 |
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 | 9335 |
| 2 | China | 3328 |
| 3 | United Kingdom | 914 |
| 4 | Singapore | 876 |
| 5 | Netherlands | 644 |
| 6 | Germany | 630 |
| 7 | France | 620 |
| 8 | India | 535 |
| 9 | Brazil | 500 |
| 10 | Indonesia | 365 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 457650 |
| 2 | 23 | 314304 |
| 3 | 8088 | 116313 |
| 4 | 8594 | 71640 |
| 5 | 7777 | 62648 |
| 6 | 2252 | 51004 |
| 7 | 2278 | 49064 |
| 8 | 22 | 35287 |
| 9 | 2108 | 29040 |
| 10 | 1122 | 25791 |
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