detection period: 2021-02-10 00:00-23:59 UTC
total number of suspected botnet IPs: 40720
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 37616
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 | 1986 |
| 2 | HINET-NET | 881 |
| 3 | KORNET | 859 |
| 4 | TENCENT-CN | 804 |
| 5 | DIGITALOCEAN-192-241-128-0 | 652 |
| 6 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 589 |
| 7 | VE-CSVE-LACNIC | 528 |
| 8 | ALISOFT | 514 |
| 9 | TELKOMNET | 466 |
| 10 | NETVIGATOR | 440 |
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 | 8707 |
| 2 | United States | 4816 |
| 3 | India | 2730 |
| 4 | Russian Federation | 2316 |
| 5 | Brazil | 1987 |
| 6 | Taiwan | 1264 |
| 7 | South Korea | 1260 |
| 8 | Indonesia | 1218 |
| 9 | Hong Kong | 1127 |
| 10 | Viet Nam | 1107 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 297644 |
| 2 | 1121 | 143733 |
| 3 | 222 | 118995 |
| 4 | 330 | 113349 |
| 5 | 22 | 80026 |
| 6 | 11 | 67638 |
| 7 | 350 | 65868 |
| 8 | 340 | 61217 |
| 9 | 320 | 55249 |
| 10 | 23 | 39284 |
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