detection period: 2021-06-26 00:00-23:59 UTC
total number of suspected botnet IPs: 28625
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 26426
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 | 1592 |
| 2 | ALISOFT | 1067 |
| 3 | DIGITALOCEAN-192-241-128-0 | 795 |
| 4 | HINET-NET | 578 |
| 5 | TENCENT-CN | 467 |
| 6 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 466 |
| 7 | Baidu | 411 |
| 8 | VNPT-VN | 387 |
| 9 | CMNET | 366 |
| 10 | VIETTEL-VN | 319 |
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 | 7517 |
| 2 | United States | 4761 |
| 3 | India | 1658 |
| 4 | Russian Federation | 1434 |
| 5 | Brazil | 1180 |
| 6 | Viet Nam | 1070 |
| 7 | Taiwan | 753 |
| 8 | Indonesia | 670 |
| 9 | South Korea | 623 |
| 10 | Mexico | 525 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 129529 |
| 2 | 1024 | 73942 |
| 3 | 227 | 73221 |
| 4 | 6009 | 66556 |
| 5 | 4522 | 56935 |
| 6 | 7137 | 46342 |
| 7 | 6829 | 45786 |
| 8 | 22 | 45772 |
| 9 | 8811 | 37070 |
| 10 | 7722 | 32935 |
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