detection period: 2020-12-23 00:00-23:59 UTC
total number of suspected botnet IPs: 37064
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 34175
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 | 1625 |
| 2 | VNPT-VN | 876 |
| 3 | VIETTEL-VN | 874 |
| 4 | TENCENT-CN | 752 |
| 5 | DIGITALOCEAN-192-241-128-0 | 705 |
| 6 | HINET-NET | 587 |
| 7 | Baidu | 518 |
| 8 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 469 |
| 9 | ALISOFT | 449 |
| 10 | VE-CSVE-LACNIC | 434 |
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 | 8422 |
| 2 | United States | 3898 |
| 3 | Viet Nam | 2479 |
| 4 | India | 2405 |
| 5 | Russian Federation | 2352 |
| 6 | Brazil | 1754 |
| 7 | Indonesia | 1269 |
| 8 | Thailand | 902 |
| 9 | France | 829 |
| 10 | Taiwan | 768 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 308300 |
| 2 | 1133 | 90985 |
| 3 | 1188 | 90963 |
| 4 | 1166 | 89385 |
| 5 | 1144 | 88303 |
| 6 | 1155 | 87558 |
| 7 | 1177 | 85831 |
| 8 | 22 | 74536 |
| 9 | 333 | 69827 |
| 10 | 1111 | 69424 |
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