detection period: 2020-12-13 00:00-23:59 UTC
total number of suspected botnet IPs: 34547
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 31901
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 | 1759 |
| 2 | TENCENT-CN | 782 |
| 3 | DIGITALOCEAN-192-241-128-0 | 611 |
| 4 | HINET-NET | 547 |
| 5 | Baidu | 547 |
| 6 | VIETTEL-VN | 513 |
| 7 | ALISOFT | 503 |
| 8 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 481 |
| 9 | VNPT-VN | 470 |
| 10 | CMNET | 403 |
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 | 8682 |
| 2 | United States | 4714 |
| 3 | Russian Federation | 2097 |
| 4 | India | 1612 |
| 5 | Brazil | 1509 |
| 6 | Viet Nam | 1457 |
| 7 | Indonesia | 934 |
| 8 | France | 906 |
| 9 | Taiwan | 717 |
| 10 | Mauritius | 579 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 753908 |
| 2 | 20 | 67496 |
| 3 | 22 | 51679 |
| 4 | 1010 | 41506 |
| 5 | 23 | 39233 |
| 6 | 1222 | 38094 |
| 7 | 44 | 36664 |
| 8 | 41 | 36045 |
| 9 | 1433 | 35128 |
| 10 | 40 | 31942 |
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