detection period: 2026-05-31 00:00-23:59 UTC
total number of suspected botnet IPs: 20074
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19129
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 | 1703 |
| 2 | MSFT | 1406 |
| 3 | INFRAWATCH | 1092 |
| 4 | GOOGLE-CLOUD | 1046 |
| 5 | PAN-22 | 961 |
| 6 | ASEPL-SG | 603 |
| 7 | VOLCANO-ENGINE | 510 |
| 8 | FR-ONYPHE-20191111 | 400 |
| 9 | CENSY | 375 |
| 10 | cloud | 319 |
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 | 9295 |
| 2 | China | 3719 |
| 3 | Singapore | 1014 |
| 4 | United Kingdom | 814 |
| 5 | Netherlands | 599 |
| 6 | Germany | 552 |
| 7 | France | 467 |
| 8 | Hong Kong | 334 |
| 9 | Indonesia | 288 |
| 10 | South Korea | 232 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 162450 |
| 2 | 2265 | 74268 |
| 3 | 2023 | 36396 |
| 4 | 5001 | 30224 |
| 5 | 2000 | 26118 |
| 6 | 8015 | 25356 |
| 7 | 2222 | 22467 |
| 8 | 4714 | 22401 |
| 9 | 8022 | 21781 |
| 10 | 4708 | 21573 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | AL-3 | 1795 |
| 2 | MSFT | 1393 |
| 3 | INFRAWATCH | 1178 |
| 4 | GOOGLE-CLOUD | 1050 |
| 5 | PAN-22 | 962 |
| 6 | ASEPL-SG | 656 |
| 7 | VOLCANO-ENGINE | 506 |
| 8 | FR-ONYPHE-20191111 | 400 |
| 9 | CENSY | 375 |
| 10 | CMNET | 228 |
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 | 8637 |
| 2 | China | 3623 |
| 3 | Singapore | 996 |
| 4 | United Kingdom | 834 |
| 5 | Netherlands | 598 |
| 6 | Germany | 590 |
| 7 | France | 466 |
| 8 | Hong Kong | 358 |
| 9 | Indonesia | 306 |
| 10 | South Korea | 261 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 158896 |
| 2 | 2265 | 46664 |
| 3 | 2023 | 41857 |
| 4 | 5001 | 30243 |
| 5 | 7777 | 29149 |
| 6 | 8010 | 26878 |
| 7 | 23 | 24062 |
| 8 | 8015 | 23027 |
| 9 | 4714 | 22404 |
| 10 | 8022 | 22393 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | AL-3 | 1810 |
| 2 | MSFT | 1412 |
| 3 | INFRAWATCH | 1162 |
| 4 | GOOGLE-CLOUD | 1045 |
| 5 | PAN-22 | 962 |
| 6 | ASEPL-SG | 701 |
| 7 | VOLCANO-ENGINE | 505 |
| 8 | FR-ONYPHE-20191111 | 400 |
| 9 | CENSY | 377 |
| 10 | cloud | 310 |
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 | 9006 |
| 2 | China | 3643 |
| 3 | Singapore | 1061 |
| 4 | United Kingdom | 940 |
| 5 | Netherlands | 641 |
| 6 | Germany | 634 |
| 7 | France | 486 |
| 8 | Hong Kong | 376 |
| 9 | Indonesia | 299 |
| 10 | South Korea | 256 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 140809 |
| 2 | 4122 | 41589 |
| 3 | 2023 | 38686 |
| 4 | 2211 | 34595 |
| 5 | 8999 | 33538 |
| 6 | 8010 | 32303 |
| 7 | 7777 | 27193 |
| 8 | 5001 | 26801 |
| 9 | 23 | 24526 |
| 10 | 8015 | 24095 |