detection period: 2020-12-31 00:00-23:59 UTC
total number of suspected botnet IPs: 38649
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 35653
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 | 1792 |
| 2 | VNPT-VN | 913 |
| 3 | VIETTEL-VN | 814 |
| 4 | TENCENT-CN | 754 |
| 5 | DIGITALOCEAN-192-241-128-0 | 695 |
| 6 | HINET-NET | 680 |
| 7 | CHINANET-JS | 567 |
| 8 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 525 |
| 9 | ALISOFT | 494 |
| 10 | Baidu | 461 |
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 | 9600 |
| 2 | United States | 4194 |
| 3 | India | 2489 |
| 4 | Viet Nam | 2481 |
| 5 | Russian Federation | 2123 |
| 6 | Brazil | 1704 |
| 7 | Indonesia | 1074 |
| 8 | Taiwan | 919 |
| 9 | France | 841 |
| 10 | South Korea | 659 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 345167 |
| 2 | 22 | 142685 |
| 3 | 2262 | 61691 |
| 4 | 1222 | 52269 |
| 5 | 801 | 38656 |
| 6 | 1122 | 37342 |
| 7 | 1433 | 35250 |
| 8 | 901 | 32087 |
| 9 | 501 | 31835 |
| 10 | 23 | 31491 |
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