detection period: 2023-03-23 00:00-23:59 UTC
total number of suspected botnet IPs: 20889
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19422
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 | ACEVILLEPTELTD-SG | 546 |
| 2 | CHINANET-JS | 503 |
| 3 | DIGITALOCEAN-192-241-128-0 | 499 |
| 4 | BSNLNET | 449 |
| 5 | HINET-NET | 427 |
| 6 | KORNET-KR | 382 |
| 7 | DIGITALOCEAN-107-170-0-0 | 371 |
| 8 | DIGITALOCEAN-162-243-0-0 | 271 |
| 9 | DIGITALOCEAN-198-199-64-0 | 266 |
| 10 | CMNET | 262 |
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 | 5295 |
| 2 | China | 3256 |
| 3 | India | 1343 |
| 4 | Russian Federation | 922 |
| 5 | Singapore | 850 |
| 6 | Brazil | 698 |
| 7 | Viet Nam | 655 |
| 8 | South Korea | 632 |
| 9 | Taiwan | 516 |
| 10 | Indonesia | 446 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 59554 |
| 2 | 22 | 52418 |
| 3 | 5900 | 42441 |
| 4 | 7022 | 40393 |
| 5 | 23 | 38267 |
| 6 | 4322 | 31879 |
| 7 | 3389 | 25401 |
| 8 | 247 | 24837 |
| 9 | 2222 | 24816 |
| 10 | 1322 | 24080 |
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