detection period: 2021-08-31 00:00-23:59 UTC
total number of suspected botnet IPs: 27743
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 25516
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 | 1010 |
| 2 | ALISOFT | 761 |
| 3 | DIGITALOCEAN-192-241-128-0 | 756 |
| 4 | VNPT-VN | 520 |
| 5 | HINET-NET | 426 |
| 6 | VIETTEL-VN | 392 |
| 7 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 327 |
| 8 | TELKOMNET | 309 |
| 9 | Baidu | 306 |
| 10 | KORNET | 289 |
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 | 5180 |
| 2 | United States | 4190 |
| 3 | Russian Federation | 2019 |
| 4 | India | 1903 |
| 5 | Brazil | 1640 |
| 6 | Viet Nam | 1290 |
| 7 | Indonesia | 910 |
| 8 | Thailand | 668 |
| 9 | Taiwan | 545 |
| 10 | South Korea | 524 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 3522 | 464165 |
| 2 | 13822 | 425577 |
| 3 | 13922 | 401623 |
| 4 | 445 | 305991 |
| 5 | 6015 | 173854 |
| 6 | 10025 | 150690 |
| 7 | 10024 | 150542 |
| 8 | 6003 | 145644 |
| 9 | 15022 | 143434 |
| 10 | 14922 | 137869 |
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