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 |
| 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 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | AL-3 | 1677 |
| 2 | MSFT | 1445 |
| 3 | GOOGLE-CLOUD | 1028 |
| 4 | PAN-22 | 956 |
| 5 | INFRAWATCH | 890 |
| 6 | ACEVILLEPTELTD-SG | 843 |
| 7 | ASEPL-SG | 515 |
| 8 | FR-ONYPHE-20191111 | 448 |
| 9 | VOLCANO-ENGINE | 429 |
| 10 | CENSY | 380 |
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 | 8788 |
| 2 | China | 3377 |
| 3 | Singapore | 1431 |
| 4 | United Kingdom | 743 |
| 5 | Netherlands | 614 |
| 6 | Germany | 532 |
| 7 | France | 489 |
| 8 | India | 401 |
| 9 | Hong Kong | 364 |
| 10 | Indonesia | 357 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 197954 |
| 2 | 2210 | 55384 |
| 3 | 1722 | 38868 |
| 4 | 2020 | 38796 |
| 5 | 5432 | 38210 |
| 6 | 23 | 30396 |
| 7 | 7922 | 28222 |
| 8 | 5005 | 26986 |
| 9 | 5902 | 25321 |
| 10 | 5322 | 24958 |