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.

AS4665 Yonsei University

Spam statistics of AS4665 Yonsei University

South Korea
Number of networks
IP Addresses
Purpose of use
Detected IP addresses
Spam active IPs
Spam rate
Websites count
IP addresses with websites

Spam activity log

— spam active IP adresses

WhoIs AS: as4665


Detected networks prefixes

#Network prefixCountryLengthDetected IP addressesSpam active IP addressesSpam rate
1165.132.128.0/17South Korea327689560.00%
2165.132.0.0/17South Korea3276812750.00%
3165.132.136.0/22South Korea1024820.00%
4165.132.172.0/22South Korea1024420.00% Korea512610.00%
6165.132.24.0/22South Korea1024710.00%
7165.132.36.0/22South Korea1024510.00%
8165.132.52.0/22South Korea1024110.00%
9165.132.104.0/22South Korea1024810.00%
10165.132.120.0/22South Korea1024710.00%
11165.132.148.0/22South Korea10241110.00%
12165.132.160.0/22South Korea1024510.00% Korea40961000.00% Korea1024300.00% Korea1024400.00% Korea1024300.00% Korea1024200.00% Korea256100.00% Korea1024100.00%
20165.132.0.0/22South Korea1024100.00%
21165.132.8.0/22South Korea1024100.00%
22165.132.12.0/22South Korea1024800.00%
23165.132.16.0/22South Korea1024600.00%
24165.132.20.0/22South Korea1024300.00%
25165.132.28.0/22South Korea1024800.00%
26165.132.32.0/22South Korea1024500.00%
27165.132.40.0/22South Korea1024300.00%
28165.132.44.0/22South Korea1024700.00%
29165.132.48.0/22South Korea1024100.00%
30165.132.56.0/22South Korea1024400.00%