detection period: 2020-12-25 00:00-23:59 UTC
total number of suspected botnet IPs: 34780
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 32322
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 | 1610 |
| 2 | VNPT-VN | 878 |
| 3 | VIETTEL-VN | 871 |
| 4 | TENCENT-CN | 728 |
| 5 | DIGITALOCEAN-192-241-128-0 | 695 |
| 6 | HINET-NET | 608 |
| 7 | Baidu | 500 |
| 8 | ALISOFT | 451 |
| 9 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 441 |
| 10 | CHINANET-JS | 402 |
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 | 8312 |
| 2 | United States | 4183 |
| 3 | Viet Nam | 2464 |
| 4 | Russian Federation | 2314 |
| 5 | India | 1957 |
| 6 | Brazil | 1390 |
| 7 | France | 985 |
| 8 | Indonesia | 862 |
| 9 | Thailand | 831 |
| 10 | Taiwan | 800 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 263979 |
| 2 | 222 | 110795 |
| 3 | 122 | 108642 |
| 4 | 1000 | 103953 |
| 5 | 2000 | 90668 |
| 6 | 22 | 84226 |
| 7 | 2240 | 78427 |
| 8 | 1022 | 47356 |
| 9 | 72 | 38444 |
| 10 | 1122 | 38181 |
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