detection period: 2021-01-10 00:00-23:59 UTC
total number of suspected botnet IPs: 41740
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 38960
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 | 2065 |
| 2 | CENTURYLINK-LEGACY-QWEST-INET-118 | 1203 |
| 3 | TENCENT-CN | 846 |
| 4 | DIGITALOCEAN-192-241-128-0 | 694 |
| 5 | HINET-NET | 614 |
| 6 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 593 |
| 7 | VNPT-VN | 580 |
| 8 | VIETTEL-VN | 571 |
| 9 | ALISOFT | 524 |
| 10 | CENTURYLINK-LEGACY-QWEST-INET-124 | 506 |
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 | 9810 |
| 2 | United States | 9389 |
| 3 | Russian Federation | 2049 |
| 4 | India | 1727 |
| 5 | Viet Nam | 1688 |
| 6 | Brazil | 1656 |
| 7 | Indonesia | 938 |
| 8 | France | 865 |
| 9 | Taiwan | 796 |
| 10 | European Union | 624 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 269561 |
| 2 | 222 | 89074 |
| 3 | 23 | 62566 |
| 4 | 22 | 58139 |
| 5 | 1322 | 43583 |
| 6 | 1433 | 35014 |
| 7 | 2255 | 21691 |
| 8 | 1008 | 21126 |
| 9 | 1009 | 20823 |
| 10 | 27 | 19712 |
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