detection period: 2021-07-05 00:00-23:59 UTC
total number of suspected botnet IPs: 32986
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 30169
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 | 2346 |
| 2 | ALISOFT | 1131 |
| 3 | DIGITALOCEAN-192-241-128-0 | 794 |
| 4 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 699 |
| 5 | TENCENT-CN | 688 |
| 6 | VNPT-VN | 542 |
| 7 | CMNET | 530 |
| 8 | ACEVILLEPTELTD-SG | 475 |
| 9 | HINET-NET | 473 |
| 10 | Baidu | 439 |
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 | 8907 |
| 2 | United States | 4993 |
| 3 | India | 2053 |
| 4 | Russian Federation | 1657 |
| 5 | Viet Nam | 1378 |
| 6 | Brazil | 1313 |
| 7 | Indonesia | 855 |
| 8 | European Union | 724 |
| 9 | Thailand | 672 |
| 10 | Taiwan | 621 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 196929 |
| 2 | 10780 | 78973 |
| 3 | 5422 | 72262 |
| 4 | 1837 | 59272 |
| 5 | 2209 | 58062 |
| 6 | 1441 | 57128 |
| 7 | 1639 | 56660 |
| 8 | 1526 | 55138 |
| 9 | 1636 | 55015 |
| 10 | 1732 | 54829 |
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