detection period: 2022-05-11 00:00-23:59 UTC
total number of suspected botnet IPs: 27047
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 25382
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 | ACEVILLEPTELTD-SG | 1462 |
| 2 | DIGITALOCEAN-192-241-128-0 | 1128 |
| 3 | HINET-NET | 540 |
| 4 | VNPT-VN | 469 |
| 5 | Baidu | 447 |
| 6 | CMNET | 445 |
| 7 | MSFT | 372 |
| 8 | VIETTEL-VN | 312 |
| 9 | KORNET-KR | 309 |
| 10 | ALISOFT | 296 |
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 | United States | 5176 |
| 2 | China | 4193 |
| 3 | Singapore | 1707 |
| 4 | India | 1623 |
| 5 | Russian Federation | 1468 |
| 6 | Brazil | 1281 |
| 7 | Viet Nam | 1133 |
| 8 | Indonesia | 729 |
| 9 | Taiwan | 698 |
| 10 | South Korea | 685 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 6000 | 150203 |
| 2 | 8222 | 126935 |
| 3 | 8422 | 70225 |
| 4 | 4321 | 61564 |
| 5 | 23 | 59213 |
| 6 | 22 | 54736 |
| 7 | 445 | 52663 |
| 8 | 2022 | 41668 |
| 9 | 5900 | 35173 |
| 10 | 1657 | 34997 |
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