detection period: 2026-08-23 00:00-23:59 UTC
total number of suspected botnet IPs: 19325
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 18348
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 | INFRAWATCH | 1159 |
| 2 | MSFT | 1080 |
| 3 | GOOGLE-CLOUD | 1048 |
| 4 | AL-3 | 991 |
| 5 | PAN-22 | 962 |
| 6 | FR-ONYPHE-20191111 | 480 |
| 7 | ASEPL-SG | 395 |
| 8 | CENSY | 367 |
| 9 | UCLOUD-US | 265 |
| 10 | cloud | 245 |
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 | 8257 |
| 2 | China | 3463 |
| 3 | United Kingdom | 1067 |
| 4 | Germany | 691 |
| 5 | Singapore | 624 |
| 6 | Netherlands | 556 |
| 7 | France | 549 |
| 8 | Hong Kong | 340 |
| 9 | Russian Federation | 313 |
| 10 | Ukraine | 230 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 4076 | 54791 |
| 2 | 9022 | 52641 |
| 3 | 5900 | 51710 |
| 4 | 9090 | 48890 |
| 5 | 8162 | 48128 |
| 6 | 8472 | 46338 |
| 7 | 1217 | 45358 |
| 8 | 3700 | 45019 |
| 9 | 1483 | 44940 |
| 10 | 333 | 42870 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | INFRAWATCH | 1088 |
| 2 | GOOGLE-CLOUD | 1050 |
| 3 | MSFT | 1030 |
| 4 | AL-3 | 1007 |
| 5 | PAN-22 | 962 |
| 6 | FR-ONYPHE-20191111 | 480 |
| 7 | CENSY | 375 |
| 8 | ASEPL-SG | 365 |
| 9 | UCLOUD-US | 264 |
| 10 | FR-ONYPHE-20221220 | 240 |
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 | 7388 |
| 2 | China | 3136 |
| 3 | United Kingdom | 962 |
| 4 | Germany | 600 |
| 5 | Singapore | 587 |
| 6 | France | 551 |
| 7 | Netherlands | 545 |
| 8 | Hong Kong | 349 |
| 9 | India | 249 |
| 10 | Russian Federation | 243 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 100356 |
| 2 | 1217 | 63785 |
| 3 | 9389 | 53072 |
| 4 | 6018 | 40466 |
| 5 | 2224 | 38114 |
| 6 | 9762 | 36882 |
| 7 | 9022 | 35685 |
| 8 | 2165 | 35596 |
| 9 | 9800 | 35402 |
| 10 | 8061 | 32105 |
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | INFRAWATCH | 1057 |
| 2 | GOOGLE-CLOUD | 1039 |
| 3 | AL-3 | 1008 |
| 4 | MSFT | 981 |
| 5 | PAN-22 | 960 |
| 6 | FR-ONYPHE-20191111 | 480 |
| 7 | CENSY | 377 |
| 8 | ASEPL-SG | 347 |
| 9 | UCLOUD-US | 264 |
| 10 | FR-ONYPHE-20221220 | 240 |
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 | 7391 |
| 2 | China | 3165 |
| 3 | United Kingdom | 920 |
| 4 | Germany | 604 |
| 5 | France | 550 |
| 6 | Netherlands | 539 |
| 7 | Singapore | 525 |
| 8 | Hong Kong | 340 |
| 9 | Russian Federation | 276 |
| 10 | Brazil | 242 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 119830 |
| 2 | 2025 | 48878 |
| 3 | 2224 | 36540 |
| 4 | 1217 | 31601 |
| 5 | 52200 | 27836 |
| 6 | 2165 | 27091 |
| 7 | 9022 | 26274 |
| 8 | 9389 | 25454 |
| 9 | 2923 | 24539 |
| 10 | 9762 | 23301 |