CleanTalk keeps track of the IP addresses in spam messages, to help Hosting and ISP companies to know about suspicious activity in the address space of a company. The presence of IP addresses in this list, it is an occasion to start audit server security that uses a particular address.
AS3661 The Chinese University of Hong Kong
Spam statistics of AS3661 The Chinese University of Hong Kong
| Country | Number of networks | IP Addresses | Purpose of use |
|---|---|---|---|
| Hong Kong SAR China | 1 | 161 | Hosting |
| Domain | Detected IP addresses | Spam active IPs | Spam rate |
| - | 320 | 3 | 0.94% |
| Websites count | IP addresses with websites | ||
| 652 | 541 |
Spam activity log
- spam active IP adresses
WhoIs AS3661
Detected networks prefixes
| # | Network prefix | Country | Length | Detected IP addresses | Spam active IP addresses | Spam rate |
|---|---|---|---|---|---|---|
| 1 | 137.189.0.0/16 | Hong Kong SAR China | 65536 | 394 | 3 | 0.00% |
| 2 | 123.255.64.0/19 | Hong Kong SAR China | 8192 | 29 | 1 | 0.00% |
| 3 | 123.255.64.0/22 | Hong Kong SAR China | 1024 | 29 | 1 | 0.00% |
| 4 | 123.255.64.0/21 | Hong Kong SAR China | 2048 | 29 | 1 | 0.00% |
| 5 | 137.189.40.0/22 | Hong Kong SAR China | 1024 | 24 | 1 | 0.00% |
| 6 | 137.189.140.0/22 | Hong Kong SAR China | 1024 | 17 | 1 | 0.00% |
| 7 | 137.189.196.0/22 | Hong Kong SAR China | 1024 | 1 | 1 | 0.00% |
| 8 | 137.189.196.0/24 | Hong Kong SAR China | 256 | 1 | 1 | 0.00% |
| 9 | 43.230.116.0/22 | United States | 1024 | 161 | 0 | 0.00% |
| 10 | 103.49.160.0/22 | Hong Kong SAR China | 1024 | 1 | 0 | 0.00% |
| 11 | 123.255.64.0/24 | Hong Kong SAR China | 256 | 8 | 0 | 0.00% |
| 12 | 137.189.4.0/24 | Hong Kong SAR China | 256 | 1 | 0 | 0.00% |
| 13 | 137.189.4.0/22 | Hong Kong SAR China | 1024 | 1 | 0 | 0.00% |
| 14 | 137.189.8.0/22 | Hong Kong SAR China | 1024 | 4 | 0 | 0.00% |
| 15 | 137.189.12.0/22 | Hong Kong SAR China | 1024 | 3 | 0 | 0.00% |
| 16 | 137.189.16.0/22 | Hong Kong SAR China | 1024 | 2 | 0 | 0.00% |
| 17 | 137.189.28.0/22 | Hong Kong SAR China | 1024 | 1 | 0 | 0.00% |
| 18 | 137.189.32.0/22 | Hong Kong SAR China | 1024 | 11 | 0 | 0.00% |
| 19 | 137.189.44.0/22 | Hong Kong SAR China | 1024 | 7 | 0 | 0.00% |
| 20 | 137.189.48.0/22 | Hong Kong SAR China | 1024 | 11 | 0 | 0.00% |
| 21 | 137.189.52.0/22 | Hong Kong SAR China | 1024 | 2 | 0 | 0.00% |
| 22 | 137.189.56.0/22 | Hong Kong SAR China | 1024 | 3 | 0 | 0.00% |
| 23 | 137.189.60.0/22 | Hong Kong SAR China | 1024 | 21 | 0 | 0.00% |
| 24 | 137.189.64.0/22 | Hong Kong SAR China | 1024 | 8 | 0 | 0.00% |
| 25 | 137.189.68.0/22 | Hong Kong SAR China | 1024 | 8 | 0 | 0.00% |
| 26 | 137.189.72.0/22 | Hong Kong SAR China | 1024 | 3 | 0 | 0.00% |
| 27 | 137.189.76.0/22 | Hong Kong SAR China | 1024 | 6 | 0 | 0.00% |
| 28 | 137.189.80.0/22 | Hong Kong SAR China | 1024 | 9 | 0 | 0.00% |
| 29 | 137.189.84.0/22 | Hong Kong SAR China | 1024 | 7 | 0 | 0.00% |
| 30 | 137.189.88.0/22 | Hong Kong SAR China | 1024 | 16 | 0 | 0.00% |