detection period: 2021-10-14 00:00-23:59 UTC
total number of suspected botnet IPs: 26134
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 23873
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 | 781 |
2 | DIGITALOCEAN-192-241-128-0 | 731 |
3 | VNPT-VN | 715 |
4 | VIETTEL-VN | 666 |
5 | TencentCloud | 582 |
6 | HINET-NET | 543 |
7 | TELKOMNET | 339 |
8 | CMNET | 317 |
9 | 02.558.157/0001-62 | 271 |
10 | AFRINIC-042005 | 269 |
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 | 4059 |
2 | United States | 3250 |
3 | Viet Nam | 1966 |
4 | Russian Federation | 1949 |
5 | India | 1796 |
6 | Brazil | 1466 |
7 | Indonesia | 1073 |
8 | Thailand | 773 |
9 | Taiwan | 699 |
10 | Mexico | 575 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
Rank | TCP port number | # of connection attempts received |
---|---|---|
1 | 4040 | 750860 |
2 | 445 | 303367 |
3 | 777 | 293749 |
4 | 2622 | 173080 |
5 | 1222 | 146467 |
6 | 1022 | 146285 |
7 | 2022 | 146188 |
8 | 666 | 143160 |
9 | 2422 | 142936 |
10 | 1422 | 142873 |
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