detection period: 2021-11-28 00:00-23:59 UTC
total number of suspected botnet IPs: 17942
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 16459
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 | 730 |
| 2 | ALISOFT | 588 |
| 3 | HINET-NET | 340 |
| 4 | VNPT-VN | 288 |
| 5 | CMNET | 283 |
| 6 | TencentCloud | 271 |
| 7 | VIETTEL-VN | 238 |
| 8 | KORNET | 203 |
| 9 | AFRINIC-042005 | 199 |
| 10 | LINODE-US | 181 |
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 | 3668 |
| 2 | China | 3046 |
| 3 | Russian Federation | 1213 |
| 4 | Viet Nam | 817 |
| 5 | India | 813 |
| 6 | Brazil | 761 |
| 7 | Taiwan | 447 |
| 8 | Indonesia | 427 |
| 9 | South Korea | 424 |
| 10 | Mexico | 320 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 8822 | 160160 |
| 2 | 4405 | 149644 |
| 3 | 8222 | 140319 |
| 4 | 8022 | 137081 |
| 5 | 7822 | 129704 |
| 6 | 7722 | 123689 |
| 7 | 9022 | 118339 |
| 8 | 9122 | 118058 |
| 9 | 9722 | 117784 |
| 10 | 9222 | 117716 |
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