detection period: 2021-08-19 00:00-23:59 UTC
total number of suspected botnet IPs: 27457
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 25095
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 | 1382 |
| 2 | DIGITALOCEAN-192-241-128-0 | 768 |
| 3 | ALISOFT | 709 |
| 4 | VNPT-VN | 518 |
| 5 | HINET-NET | 441 |
| 6 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 424 |
| 7 | VIETTEL-VN | 408 |
| 8 | TENCENT-CN | 395 |
| 9 | TELKOMNET | 291 |
| 10 | Baidu | 281 |
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 | 5501 |
| 2 | United States | 4168 |
| 3 | Russian Federation | 1803 |
| 4 | India | 1784 |
| 5 | Brazil | 1393 |
| 6 | Viet Nam | 1295 |
| 7 | Indonesia | 883 |
| 8 | Thailand | 690 |
| 9 | Taiwan | 561 |
| 10 | Mexico | 542 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 6006 | 249008 |
| 2 | 445 | 243297 |
| 3 | 6009 | 122139 |
| 4 | 1222 | 121675 |
| 5 | 7005 | 118045 |
| 6 | 2993 | 95595 |
| 7 | 2778 | 95429 |
| 8 | 1106 | 90370 |
| 9 | 2901 | 75363 |
| 10 | 1553 | 75169 |
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