detection period: 2021-01-31 00:00-23:59 UTC
total number of suspected botnet IPs: 36849
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 34214
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 | 1687 |
| 2 | HINET-NET | 794 |
| 3 | TENCENT-CN | 711 |
| 4 | DIGITALOCEAN-192-241-128-0 | 663 |
| 5 | KORNET | 641 |
| 6 | VNPT-VN | 584 |
| 7 | ALISOFT | 536 |
| 8 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 516 |
| 9 | NETVIGATOR | 516 |
| 10 | VIETTEL-VN | 490 |
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 | 8344 |
| 2 | United States | 5119 |
| 3 | Russian Federation | 2082 |
| 4 | India | 1613 |
| 5 | Viet Nam | 1592 |
| 6 | Brazil | 1469 |
| 7 | Taiwan | 1130 |
| 8 | Hong Kong | 1121 |
| 9 | South Korea | 1083 |
| 10 | Indonesia | 830 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 170352 |
| 2 | 2245 | 110299 |
| 3 | 22 | 87838 |
| 4 | 1112 | 62579 |
| 5 | 227 | 36537 |
| 6 | 1433 | 33212 |
| 7 | 37 | 32566 |
| 8 | 3389 | 30069 |
| 9 | 23 | 29358 |
| 10 | 30008 | 28767 |
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