detection period: 2021-07-11 00:00-23:59 UTC
total number of suspected botnet IPs: 28852
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 26352
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 | 2185 |
| 2 | ALISOFT | 960 |
| 3 | DIGITALOCEAN-192-241-128-0 | 794 |
| 4 | TENCENT-CN | 641 |
| 5 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 634 |
| 6 | HINET-NET | 445 |
| 7 | ACEVILLEPTELTD-SG | 443 |
| 8 | Baidu | 422 |
| 9 | CMNET | 342 |
| 10 | VNPT-VN | 330 |
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 | 8115 |
| 2 | United States | 4791 |
| 3 | Russian Federation | 1470 |
| 4 | India | 1284 |
| 5 | Brazil | 1094 |
| 6 | Viet Nam | 987 |
| 7 | European Union | 671 |
| 8 | Indonesia | 637 |
| 9 | Taiwan | 578 |
| 10 | South Korea | 533 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 159021 |
| 2 | 2334 | 100881 |
| 3 | 5006 | 59487 |
| 4 | 888 | 54145 |
| 5 | 3522 | 54080 |
| 6 | 777 | 49656 |
| 7 | 5900 | 46859 |
| 8 | 3822 | 46168 |
| 9 | 8228 | 40901 |
| 10 | 3333 | 40659 |
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