detection period: 2021-09-29 00:00-23:59 UTC
total number of suspected botnet IPs: 27771
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 25554
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 | 965 |
| 2 | TencentCloud | 913 |
| 3 | DIGITALOCEAN-192-241-128-0 | 753 |
| 4 | VNPT-VN | 577 |
| 5 | VIETTEL-VN | 483 |
| 6 | CMNET | 359 |
| 7 | HINET-NET | 354 |
| 8 | TELKOMNET | 299 |
| 9 | TENCENT-CN | 278 |
| 10 | BSNLNET | 273 |
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 | 5489 |
| 2 | United States | 4043 |
| 3 | India | 1929 |
| 4 | Russian Federation | 1866 |
| 5 | Viet Nam | 1492 |
| 6 | Brazil | 1278 |
| 7 | Indonesia | 968 |
| 8 | Thailand | 713 |
| 9 | Mexico | 567 |
| 10 | Taiwan | 495 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 11122 | 313211 |
| 2 | 9820 | 303403 |
| 3 | 445 | 256826 |
| 4 | 3522 | 208481 |
| 5 | 10022 | 201654 |
| 6 | 10522 | 196411 |
| 7 | 8000 | 193493 |
| 8 | 11422 | 193350 |
| 9 | 11322 | 191012 |
| 10 | 11222 | 188820 |