detection period: 2021-01-01 00:00-23:59 UTC
total number of suspected botnet IPs: 35747
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 32978
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 | 1749 |
| 2 | TENCENT-CN | 748 |
| 3 | DIGITALOCEAN-192-241-128-0 | 680 |
| 4 | HINET-NET | 621 |
| 5 | CHINANET-JS | 536 |
| 6 | VNPT-VN | 495 |
| 7 | VIETTEL-VN | 492 |
| 8 | ALISOFT | 487 |
| 9 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 483 |
| 10 | Baidu | 461 |
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 | 9302 |
| 2 | United States | 4310 |
| 3 | India | 2113 |
| 4 | Russian Federation | 2029 |
| 5 | Viet Nam | 1484 |
| 6 | Brazil | 1472 |
| 7 | Indonesia | 909 |
| 8 | Taiwan | 885 |
| 9 | France | 842 |
| 10 | Hong Kong | 683 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 246730 |
| 2 | 2262 | 113838 |
| 3 | 22 | 104168 |
| 4 | 1433 | 33360 |
| 5 | 222 | 30529 |
| 6 | 79 | 29193 |
| 7 | 23 | 27465 |
| 8 | 1422 | 21248 |
| 9 | 6022 | 21050 |
| 10 | 3022 | 20007 |