detection period: 2021-10-11 00:00-23:59 UTC
total number of suspected botnet IPs: 26814
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 24612
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 | ALISOFT | 825 |
| 2 | VNPT-VN | 767 |
| 3 | DIGITALOCEAN-192-241-128-0 | 754 |
| 4 | TencentCloud | 659 |
| 5 | VIETTEL-VN | 628 |
| 6 | HINET-NET | 403 |
| 7 | TELKOMNET | 379 |
| 8 | BSNLNET | 309 |
| 9 | AFRINIC-042005 | 269 |
| 10 | 02.558.157/0001-62 | 244 |
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 | 4291 |
| 2 | United States | 3695 |
| 3 | India | 2030 |
| 4 | Russian Federation | 2020 |
| 5 | Viet Nam | 1911 |
| 6 | Brazil | 1327 |
| 7 | Indonesia | 1067 |
| 8 | Thailand | 744 |
| 9 | Taiwan | 540 |
| 10 | Mexico | 532 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 42266 | 494632 |
| 2 | 555 | 306017 |
| 3 | 6004 | 300924 |
| 4 | 445 | 284880 |
| 5 | 100 | 211321 |
| 6 | 2022 | 208056 |
| 7 | 2005 | 200267 |
| 8 | 322 | 196588 |
| 9 | 2522 | 195851 |
| 10 | 622 | 195585 |
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