detection period: 2025-12-11 00:00-23:59 UTC
total number of suspected botnet IPs: 23484
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 22094
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 | MSFT | 1410 |
| 2 | AL-3 | 1072 |
| 3 | GOOGLE-CLOUD | 1013 |
| 4 | PAN-22 | 949 |
| 5 | BYTEPLUS-SG | 881 |
| 6 | ASEPL-SG | 665 |
| 7 | CMNET | 572 |
| 8 | VOLCANO-ENGINE | 564 |
| 9 | ALISOFT | 500 |
| 10 | CENSY | 378 |
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 | 8353 |
| 2 | China | 5808 |
| 3 | Singapore | 1788 |
| 4 | Indonesia | 449 |
| 5 | Hong Kong | 440 |
| 6 | South Korea | 423 |
| 7 | India | 420 |
| 8 | United Kingdom | 395 |
| 9 | Germany | 370 |
| 10 | Brazil | 345 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 4242 | 123629 |
| 2 | 5900 | 107544 |
| 3 | 22 | 65522 |
| 4 | 1987 | 30989 |
| 5 | 3333 | 25457 |
| 6 | 8088 | 24428 |
| 7 | 5901 | 19744 |
| 8 | 5902 | 19571 |
| 9 | 3456 | 16793 |
| 10 | 2220 | 14620 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | MSFT | 1429 |
| 2 | AL-3 | 1092 |
| 3 | GOOGLE-CLOUD | 1007 |
| 4 | PAN-22 | 946 |
| 5 | BYTEPLUS-SG | 881 |
| 6 | ASEPL-SG | 678 |
| 7 | CMNET | 583 |
| 8 | VOLCANO-ENGINE | 556 |
| 9 | ALISOFT | 501 |
| 10 | CENSY | 373 |
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 | 7499 |
| 2 | China | 5827 |
| 3 | Singapore | 1728 |
| 4 | India | 460 |
| 5 | Hong Kong | 456 |
| 6 | Indonesia | 440 |
| 7 | Germany | 389 |
| 8 | South Korea | 386 |
| 9 | United Kingdom | 350 |
| 10 | Brazil | 341 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 4242 | 123921 |
| 2 | 5900 | 108494 |
| 3 | 22 | 44740 |
| 4 | 2255 | 33027 |
| 5 | 5566 | 27241 |
| 6 | 8088 | 22648 |
| 7 | 3333 | 21715 |
| 8 | 5901 | 20468 |
| 9 | 5902 | 19473 |
| 10 | 5265 | 16248 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | MSFT | 1481 |
| 2 | AL-3 | 1136 |
| 3 | GOOGLE-CLOUD | 1013 |
| 4 | PAN-22 | 949 |
| 5 | BYTEPLUS-SG | 881 |
| 6 | ASEPL-SG | 713 |
| 7 | CMNET | 592 |
| 8 | VOLCANO-ENGINE | 571 |
| 9 | ALISOFT | 526 |
| 10 | CENSY | 378 |
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 | 8809 |
| 2 | China | 6191 |
| 3 | Singapore | 1834 |
| 4 | India | 547 |
| 5 | Indonesia | 478 |
| 6 | Hong Kong | 457 |
| 7 | South Korea | 399 |
| 8 | Brazil | 369 |
| 9 | Russian Federation | 355 |
| 10 | United Kingdom | 343 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 100481 |
| 2 | 5566 | 94805 |
| 3 | 4242 | 78260 |
| 4 | 22 | 58933 |
| 5 | 1988 | 58718 |
| 6 | 2323 | 44602 |
| 7 | 2255 | 34106 |
| 8 | 3333 | 31594 |
| 9 | 5901 | 25297 |
| 10 | 8122 | 21906 |