detection period: 2021-01-19 00:00-23:59 UTC
total number of suspected botnet IPs: 43552
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 40426
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 | 2072 |
| 2 | VNPT-VN | 1039 |
| 3 | TENCENT-CN | 883 |
| 4 | VIETTEL-VN | 878 |
| 5 | DIGITALOCEAN-192-241-128-0 | 673 |
| 6 | HINET-NET | 645 |
| 7 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 605 |
| 8 | ALISOFT | 565 |
| 9 | VE-CSVE-LACNIC | 521 |
| 10 | TELKOMNET | 509 |
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 | 9901 |
| 2 | United States | 5783 |
| 3 | India | 2794 |
| 4 | Viet Nam | 2660 |
| 5 | Russian Federation | 2471 |
| 6 | Brazil | 2013 |
| 7 | Indonesia | 1408 |
| 8 | Thailand | 992 |
| 9 | France | 888 |
| 10 | Taiwan | 872 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 280174 |
| 2 | 1111 | 96366 |
| 3 | 22 | 83039 |
| 4 | 1433 | 71200 |
| 5 | 1000 | 39078 |
| 6 | 23 | 30179 |
| 7 | 66 | 23975 |
| 8 | 2707 | 22349 |
| 9 | 3389 | 19766 |
| 10 | 1022 | 19558 |
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