detection period: 2020-10-31 00:00-23:59 UTC
total number of suspected botnet IPs: 33557
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 31474
number of spam blocked: 0
recipient count of spam blocked: 0
The top 10 networks (as found in WHOIS), ordered by number of suspected botnet IPs are:
| Rank | Network | # of suspected botnet IPs |
|---|
| 1 | TencentCloud | 1378 |
| 2 | VNPT-VN | 700 |
| 3 | Baidu | 646 |
| 4 | TENCENT-CN | 637 |
| 5 | VIETTEL-VN | 623 |
| 6 | DIGITALOCEAN-192-241-128-0 | 620 |
| 7 | HINET-NET | 589 |
| 8 | DIGITALOCEAN-165-232-32-0 | 563 |
| 9 | ALISOFT | 477 |
| 10 | UNICOM-HA | 429 |
The top 10 countries (as defined by the 2-character country code), ordered by number of suspected botnet IPs are:
| Rank | Country/Region | # of suspected botnet IPs |
|---|
| 1 | China | 8139 |
| 2 | United States | 4382 |
| 3 | India | 2103 |
| 4 | Russian Federation | 2049 |
| 5 | Viet Nam | 2039 |
| 6 | Brazil | 1365 |
| 7 | Indonesia | 1030 |
| 8 | France | 810 |
| 9 | Taiwan | 759 |
| 10 | Thailand | 564 |
The top 10 TCP ports, ordered by number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|
| 1 | 445 | 707227 |
| 2 | 1100 | 140550 |
| 3 | 200 | 108201 |
| 4 | 700 | 97085 |
| 5 | 1500 | 95471 |
| 6 | 400 | 93644 |
| 7 | 900 | 91425 |
| 8 | 899 | 88961 |
| 9 | 800 | 87515 |
| 10 | 1200 | 86444 |
