detection period: 2021-10-04 00:00-23:59 UTC
total number of suspected botnet IPs: 30748
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 28277
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 | TencentCloud | 980 |
| 2 | ALISOFT | 915 |
| 3 | DIGITALOCEAN-192-241-128-0 | 755 |
| 4 | VNPT-VN | 741 |
| 5 | VIETTEL-VN | 652 |
| 6 | HINET-NET | 503 |
| 7 | TELKOMNET | 425 |
| 8 | BSNLNET | 365 |
| 9 | CMNET | 341 |
| 10 | AFRINIC-042005 | 326 |
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 | 5282 |
| 2 | United States | 4263 |
| 3 | India | 2326 |
| 4 | Russian Federation | 2213 |
| 5 | Viet Nam | 2100 |
| 6 | Brazil | 1520 |
| 7 | Indonesia | 1209 |
| 8 | Thailand | 870 |
| 9 | Taiwan | 653 |
| 10 | Mauritius | 572 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 323091 |
| 2 | 4522 | 311517 |
| 3 | 8232 | 193354 |
| 4 | 44888 | 172253 |
| 5 | 224 | 162504 |
| 6 | 6004 | 152499 |
| 7 | 11122 | 143464 |
| 8 | 5222 | 127576 |
| 9 | 10000 | 116805 |
| 10 | 12001 | 105713 |