detection period: 2021-11-23 00:00-23:59 UTC
total number of suspected botnet IPs: 22162
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 20439
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 | 723 |
| 2 | ALISOFT | 681 |
| 3 | VNPT-VN | 514 |
| 4 | VIETTEL-VN | 407 |
| 5 | TencentCloud | 372 |
| 6 | HINET-NET | 358 |
| 7 | CMNET | 315 |
| 8 | AFRINIC-042005 | 250 |
| 9 | BSNLNET | 247 |
| 10 | TELKOMNET | 223 |
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 | 3822 |
| 2 | United States | 3686 |
| 3 | India | 1470 |
| 4 | Russian Federation | 1469 |
| 5 | Viet Nam | 1305 |
| 6 | Brazil | 1055 |
| 7 | Indonesia | 684 |
| 8 | Thailand | 545 |
| 9 | Taiwan | 495 |
| 10 | Mexico | 459 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 134 | 222607 |
| 2 | 125 | 207597 |
| 3 | 121 | 196790 |
| 4 | 129 | 196573 |
| 5 | 122 | 196481 |
| 6 | 132 | 188475 |
| 7 | 127 | 186913 |
| 8 | 130 | 185764 |
| 9 | 124 | 183385 |
| 10 | 133 | 176245 |
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