detection period: 2020-12-21 00:00-23:59 UTC
total number of suspected botnet IPs: 39028
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 35941
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 | 1751 |
| 2 | VNPT-VN | 973 |
| 3 | VIETTEL-VN | 936 |
| 4 | TENCENT-CN | 766 |
| 5 | DIGITALOCEAN-192-241-128-0 | 694 |
| 6 | HINET-NET | 588 |
| 7 | Baidu | 532 |
| 8 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 502 |
| 9 | TELKOMNET | 492 |
| 10 | VE-CSVE-LACNIC | 445 |
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 | 8477 |
| 2 | United States | 4531 |
| 3 | Viet Nam | 2644 |
| 4 | India | 2555 |
| 5 | Russian Federation | 2298 |
| 6 | Brazil | 1846 |
| 7 | Indonesia | 1416 |
| 8 | Thailand | 910 |
| 9 | France | 834 |
| 10 | Taiwan | 779 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 373752 |
| 2 | 826 | 289289 |
| 3 | 827 | 285017 |
| 4 | 824 | 276699 |
| 5 | 825 | 262160 |
| 6 | 823 | 190604 |
| 7 | 2000 | 57797 |
| 8 | 22 | 51420 |
| 9 | 1114 | 42907 |
| 10 | 1433 | 34994 |
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