detection period: 2021-01-27 00:00-23:59 UTC
total number of suspected botnet IPs: 41623
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 38553
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 | 1871 |
| 2 | VNPT-VN | 1004 |
| 3 | VIETTEL-VN | 820 |
| 4 | HINET-NET | 796 |
| 5 | TENCENT-CN | 783 |
| 6 | DIGITALOCEAN-192-241-128-0 | 679 |
| 7 | KORNET | 628 |
| 8 | ALISOFT | 579 |
| 9 | VE-CSVE-LACNIC | 549 |
| 10 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 532 |
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 | 9078 |
| 2 | United States | 4354 |
| 3 | India | 2645 |
| 4 | Viet Nam | 2515 |
| 5 | Russian Federation | 2463 |
| 6 | Brazil | 1994 |
| 7 | Indonesia | 1297 |
| 8 | Taiwan | 1117 |
| 9 | Hong Kong | 963 |
| 10 | South Korea | 958 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 1630 | 2122195 |
| 2 | 445 | 354159 |
| 3 | 2522 | 109052 |
| 4 | 2622 | 108187 |
| 5 | 2922 | 103856 |
| 6 | 3022 | 99331 |
| 7 | 2422 | 99060 |
| 8 | 2822 | 94097 |
| 9 | 2722 | 93270 |
| 10 | 22 | 61596 |
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