detection period: 2021-11-05 00:00-23:59 UTC
total number of suspected botnet IPs: 19276
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 17727
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 | DIGITALOCEAN-192-241-128-0 | 748 |
| 2 | ALISOFT | 671 |
| 3 | TencentCloud | 487 |
| 4 | VNPT-VN | 458 |
| 5 | VIETTEL-VN | 378 |
| 6 | HINET-NET | 334 |
| 7 | CMNET | 267 |
| 8 | TELKOMNET | 232 |
| 9 | AFRINIC-042005 | 207 |
| 10 | LINODE-US | 180 |
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 | 3575 |
| 2 | United States | 3020 |
| 3 | Russian Federation | 1179 |
| 4 | Viet Nam | 1168 |
| 5 | India | 1037 |
| 6 | Brazil | 1020 |
| 7 | Indonesia | 620 |
| 8 | Thailand | 518 |
| 9 | Taiwan | 454 |
| 10 | Mexico | 442 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 6000 | 230350 |
| 2 | 1212 | 151138 |
| 3 | 2226 | 120193 |
| 4 | 445 | 120173 |
| 5 | 1020 | 100238 |
| 6 | 6006 | 98161 |
| 7 | 2704 | 97448 |
| 8 | 2204 | 95117 |
| 9 | 7001 | 83786 |
| 10 | 2235 | 72168 |
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