detection period: 2020-12-16 00:00-23:59 UTC
total number of suspected botnet IPs: 37880
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 34937
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 | 890 |
| 3 | VIETTEL-VN | 883 |
| 4 | TENCENT-CN | 730 |
| 5 | DIGITALOCEAN-192-241-128-0 | 629 |
| 6 | HINET-NET | 591 |
| 7 | TELKOMNET | 527 |
| 8 | Baidu | 503 |
| 9 | VE-CSVE-LACNIC | 491 |
| 10 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 444 |
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 | 8221 |
| 2 | United States | 3990 |
| 3 | India | 2761 |
| 4 | Viet Nam | 2451 |
| 5 | Russian Federation | 2387 |
| 6 | Brazil | 1819 |
| 7 | Indonesia | 1486 |
| 8 | Thailand | 906 |
| 9 | France | 843 |
| 10 | Taiwan | 758 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 481397 |
| 2 | 1100 | 150687 |
| 3 | 1230 | 137988 |
| 4 | 1024 | 84015 |
| 5 | 22 | 61253 |
| 6 | 1234 | 56248 |
| 7 | 23 | 43448 |
| 8 | 1433 | 38318 |
| 9 | 322 | 27444 |
| 10 | 2242 | 26100 |
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