detection period: 2021-11-22 00:00-23:59 UTC
total number of suspected botnet IPs: 21801
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 20143
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 | 738 |
| 2 | ALISOFT | 668 |
| 3 | VNPT-VN | 528 |
| 4 | VIETTEL-VN | 437 |
| 5 | HINET-NET | 381 |
| 6 | CMNET | 311 |
| 7 | TencentCloud | 301 |
| 8 | TELKOMNET | 260 |
| 9 | BSNLNET | 258 |
| 10 | KORNET | 239 |
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 | 3715 |
| 2 | China | 3652 |
| 3 | India | 1521 |
| 4 | Russian Federation | 1422 |
| 5 | Viet Nam | 1354 |
| 6 | Brazil | 1115 |
| 7 | Indonesia | 728 |
| 8 | Thailand | 570 |
| 9 | Taiwan | 491 |
| 10 | South Korea | 464 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 134 | 276974 |
| 2 | 125 | 256787 |
| 3 | 121 | 253477 |
| 4 | 129 | 247592 |
| 5 | 132 | 236353 |
| 6 | 130 | 234544 |
| 7 | 122 | 232661 |
| 8 | 127 | 231579 |
| 9 | 124 | 231298 |
| 10 | 133 | 223216 |
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