detection period: 2021-09-14 00:00-23:59 UTC
total number of suspected botnet IPs: 29856
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 27511
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 | 1346 |
| 2 | ALISOFT | 987 |
| 3 | DIGITALOCEAN-192-241-128-0 | 760 |
| 4 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 405 |
| 5 | HINET-NET | 405 |
| 6 | VIETTEL-VN | 396 |
| 7 | VNPT-VN | 388 |
| 8 | TENCENT-CN | 374 |
| 9 | CMNET | 368 |
| 10 | TELKOMNET | 291 |
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 | 6489 |
| 2 | United States | 4839 |
| 3 | Russian Federation | 1932 |
| 4 | India | 1932 |
| 5 | Brazil | 1439 |
| 6 | Viet Nam | 1164 |
| 7 | Indonesia | 914 |
| 8 | Thailand | 653 |
| 9 | Taiwan | 543 |
| 10 | Mexico | 536 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 6001 | 323325 |
| 2 | 445 | 303757 |
| 3 | 2722 | 207890 |
| 4 | 3622 | 204408 |
| 5 | 3522 | 189633 |
| 6 | 2097 | 177351 |
| 7 | 2822 | 168601 |
| 8 | 1622 | 160682 |
| 9 | 2622 | 143685 |
| 10 | 5003 | 138496 |
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