detection period: 2020-12-12 00:00-23:59 UTC
total number of suspected botnet IPs: 33182
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 30682
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 | 1550 |
| 2 | TENCENT-CN | 702 |
| 3 | VIETTEL-VN | 656 |
| 4 | DIGITALOCEAN-192-241-128-0 | 624 |
| 5 | VNPT-VN | 578 |
| 6 | HINET-NET | 555 |
| 7 | Baidu | 498 |
| 8 | ALISOFT | 485 |
| 9 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 403 |
| 10 | VE-CSVE-LACNIC | 378 |
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 | 7660 |
| 2 | United States | 3974 |
| 3 | India | 2153 |
| 4 | Russian Federation | 2053 |
| 5 | Viet Nam | 1802 |
| 6 | Brazil | 1467 |
| 7 | Indonesia | 1027 |
| 8 | France | 830 |
| 9 | Taiwan | 724 |
| 10 | Mexico | 541 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 959962 |
| 2 | 1222 | 62046 |
| 3 | 22 | 52875 |
| 4 | 23 | 47423 |
| 5 | 1722 | 38851 |
| 6 | 1433 | 36020 |
| 7 | 20 | 31568 |
| 8 | 61 | 25824 |
| 9 | 2225 | 24556 |
| 10 | 60 | 23500 |
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