detection period: 2020-12-11 00:00-23:59 UTC
total number of suspected botnet IPs: 35992
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 33191
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 | 1570 |
| 2 | VNPT-VN | 823 |
| 3 | VIETTEL-VN | 807 |
| 4 | TENCENT-CN | 701 |
| 5 | DIGITALOCEAN-192-241-128-0 | 628 |
| 6 | HINET-NET | 570 |
| 7 | Baidu | 501 |
| 8 | ALISOFT | 482 |
| 9 | TELKOMNET | 453 |
| 10 | VE-CSVE-LACNIC | 451 |
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 | 7926 |
| 2 | United States | 4109 |
| 3 | India | 2559 |
| 4 | Viet Nam | 2273 |
| 5 | Russian Federation | 2244 |
| 6 | Brazil | 1872 |
| 7 | Indonesia | 1296 |
| 8 | France | 810 |
| 9 | Taiwan | 732 |
| 10 | Mexico | 592 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 600480 |
| 2 | 22 | 63155 |
| 3 | 1000 | 57741 |
| 4 | 1222 | 57212 |
| 5 | 23 | 39817 |
| 6 | 1433 | 39009 |
| 7 | 66 | 19171 |
| 8 | 60 | 18497 |
| 9 | 229 | 17623 |
| 10 | 3389 | 13811 |
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