detection period: 2020-12-28 00:00-23:59 UTC
total number of suspected botnet IPs: 42784
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 39592
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 | 1887 |
| 2 | VNPT-VN | 983 |
| 3 | VIETTEL-VN | 939 |
| 4 | TENCENT-CN | 824 |
| 5 | HINET-NET | 776 |
| 6 | DIGITALOCEAN-192-241-128-0 | 699 |
| 7 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 553 |
| 8 | ALISOFT | 520 |
| 9 | Baidu | 516 |
| 10 | CMNET | 476 |
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 | 9459 |
| 2 | United States | 4929 |
| 3 | Viet Nam | 2752 |
| 4 | India | 2651 |
| 5 | Russian Federation | 2576 |
| 6 | Brazil | 2003 |
| 7 | Indonesia | 1403 |
| 8 | Taiwan | 1034 |
| 9 | Thailand | 962 |
| 10 | France | 901 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 404752 |
| 2 | 22 | 79948 |
| 3 | 1122 | 64138 |
| 4 | 1433 | 40502 |
| 5 | 2247 | 39266 |
| 6 | 23 | 31855 |
| 7 | 1722 | 26271 |
| 8 | 66 | 26167 |
| 9 | 222 | 20842 |
| 10 | 3389 | 18192 |
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