detection period: 2020-12-27 00:00-23:59 UTC
total number of suspected botnet IPs: 36224
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 33638
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 | 1875 |
| 2 | TENCENT-CN | 822 |
| 3 | DIGITALOCEAN-192-241-128-0 | 673 |
| 4 | HINET-NET | 656 |
| 5 | VIETTEL-VN | 528 |
| 6 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 524 |
| 7 | VNPT-VN | 519 |
| 8 | Baidu | 510 |
| 9 | ALISOFT | 467 |
| 10 | CHINANET-JS | 456 |
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 | 9188 |
| 2 | United States | 4705 |
| 3 | Russian Federation | 2074 |
| 4 | Viet Nam | 1646 |
| 5 | Brazil | 1601 |
| 6 | India | 1534 |
| 7 | France | 889 |
| 8 | Indonesia | 858 |
| 9 | Taiwan | 849 |
| 10 | Hong Kong | 681 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 178356 |
| 2 | 1122 | 127215 |
| 3 | 22 | 66893 |
| 4 | 1000 | 54673 |
| 5 | 1433 | 35088 |
| 6 | 1600 | 34807 |
| 7 | 23 | 32137 |
| 8 | 74 | 28598 |
| 9 | 73 | 24422 |
| 10 | 3389 | 20829 |
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