detection period: 2021-06-10 00:00-23:59 UTC
total number of suspected botnet IPs: 31216
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 28915
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 | 2071 |
| 2 | DIGITALOCEAN-192-241-128-0 | 1012 |
| 3 | ALISOFT | 889 |
| 4 | TENCENT-CN | 717 |
| 5 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 634 |
| 6 | VNPT-VN | 554 |
| 7 | HINET-NET | 515 |
| 8 | Baidu | 413 |
| 9 | VIETTEL-VN | 383 |
| 10 | CMNET | 329 |
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 | 8335 |
| 2 | United States | 4644 |
| 3 | India | 1863 |
| 4 | Russian Federation | 1690 |
| 5 | Viet Nam | 1331 |
| 6 | Brazil | 1291 |
| 7 | Indonesia | 840 |
| 8 | Thailand | 685 |
| 9 | European Union | 664 |
| 10 | Taiwan | 657 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 162025 |
| 2 | 6000 | 88643 |
| 3 | 9090 | 61349 |
| 4 | 6001 | 58123 |
| 5 | 2210 | 56543 |
| 6 | 3389 | 54414 |
| 7 | 22 | 51721 |
| 8 | 6666 | 46762 |
| 9 | 5900 | 44175 |
| 10 | 202 | 44026 |
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