detection period: 2021-01-30 00:00-23:59 UTC
total number of suspected botnet IPs: 39116
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 36266
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 | 1764 |
| 2 | HINET-NET | 781 |
| 3 | TENCENT-CN | 727 |
| 4 | VNPT-VN | 715 |
| 5 | DIGITALOCEAN-192-241-128-0 | 666 |
| 6 | KORNET | 652 |
| 7 | VIETTEL-VN | 587 |
| 8 | ALISOFT | 522 |
| 9 | VE-CSVE-LACNIC | 519 |
| 10 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 514 |
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 | 8359 |
| 2 | United States | 5244 |
| 3 | India | 2478 |
| 4 | Russian Federation | 2200 |
| 5 | Viet Nam | 1868 |
| 6 | Brazil | 1628 |
| 7 | Taiwan | 1137 |
| 8 | Hong Kong | 1123 |
| 9 | South Korea | 1115 |
| 10 | Indonesia | 985 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 234349 |
| 2 | 2234 | 105809 |
| 3 | 1112 | 69697 |
| 4 | 22 | 65222 |
| 5 | 23 | 36678 |
| 6 | 1433 | 32377 |
| 7 | 1111 | 27750 |
| 8 | 36 | 25988 |
| 9 | 227 | 25810 |
| 10 | 3389 | 23198 |
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