detection period: 2021-12-04 00:00-23:59 UTC
total number of suspected botnet IPs: 18779
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 17186
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 | DIGITALOCEAN-192-241-128-0 | 702 |
| 2 | ALISOFT | 624 |
| 3 | VNPT-VN | 360 |
| 4 | VIETTEL-VN | 341 |
| 5 | HINET-NET | 319 |
| 6 | CMNET | 302 |
| 7 | TencentCloud | 284 |
| 8 | BSNLNET | 205 |
| 9 | TELKOMNET | 173 |
| 10 | AFRINIC-042005 | 170 |
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 | China | 3109 |
| 2 | United States | 3008 |
| 3 | India | 1344 |
| 4 | Russian Federation | 1223 |
| 5 | Viet Nam | 1012 |
| 6 | Brazil | 893 |
| 7 | Indonesia | 497 |
| 8 | Taiwan | 451 |
| 9 | Mexico | 384 |
| 10 | South Korea | 380 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 9003 | 121067 |
| 2 | 10000 | 100371 |
| 3 | 9023 | 98258 |
| 4 | 445 | 97336 |
| 5 | 9002 | 95046 |
| 6 | 9822 | 93173 |
| 7 | 6000 | 80460 |
| 8 | 9222 | 79226 |
| 9 | 7422 | 78514 |
| 10 | 8322 | 78429 |
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