detection period: 2021-03-06 00:00-23:59 UTC
total number of suspected botnet IPs: 34965
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 32249
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 | 2046 |
| 2 | TENCENT-CN | 845 |
| 3 | DIGITALOCEAN-192-241-128-0 | 621 |
| 4 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 602 |
| 5 | VIETTEL-VN | 561 |
| 6 | ALISOFT | 553 |
| 7 | VNPT-VN | 539 |
| 8 | HINET-NET | 473 |
| 9 | CMNET | 434 |
| 10 | Baidu | 395 |
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 | 8929 |
| 2 | United States | 4360 |
| 3 | India | 2463 |
| 4 | Russian Federation | 1741 |
| 5 | Viet Nam | 1612 |
| 6 | Brazil | 1433 |
| 7 | Indonesia | 913 |
| 8 | France | 694 |
| 9 | European Union | 638 |
| 10 | Taiwan | 618 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 368586 |
| 2 | 202 | 135367 |
| 3 | 105 | 114267 |
| 4 | 122 | 103630 |
| 5 | 3022 | 94524 |
| 6 | 116 | 83125 |
| 7 | 22 | 65610 |
| 8 | 35 | 60052 |
| 9 | 112 | 58663 |
| 10 | 101 | 58466 |
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