detection period: 2020-12-29 00:00-23:59 UTC
total number of suspected botnet IPs: 41670
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 38483
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 | 1802 |
| 2 | VNPT-VN | 901 |
| 3 | VIETTEL-VN | 851 |
| 4 | TENCENT-CN | 789 |
| 5 | DIGITALOCEAN-192-241-128-0 | 692 |
| 6 | HINET-NET | 685 |
| 7 | CHINANET-JS | 520 |
| 8 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 506 |
| 9 | ALISOFT | 499 |
| 10 | VE-CSVE-LACNIC | 490 |
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 | 9531 |
| 2 | United States | 4625 |
| 3 | India | 2612 |
| 4 | Viet Nam | 2597 |
| 5 | Russian Federation | 2491 |
| 6 | Brazil | 2005 |
| 7 | Indonesia | 1352 |
| 8 | Taiwan | 936 |
| 9 | Thailand | 881 |
| 10 | France | 869 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 321068 |
| 2 | 22 | 95101 |
| 3 | 1122 | 38082 |
| 4 | 1433 | 37797 |
| 5 | 77 | 32423 |
| 6 | 23 | 27696 |
| 7 | 1222 | 18850 |
| 8 | 1111 | 16550 |
| 9 | 2260 | 15792 |
| 10 | 2220 | 15751 |
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