Reverse DNS Lookup
This tool will provide you the hostname (ie www.yahoo.com) of the IP address that you enter below.
Results:
Lookup on IPv4 Address: 203.252.201.10
Hostname: jinihome.sookmyung.ac.kr
Hostname: home.sookmyung.ac.kr
Hostname: e-class.sookmyung.ac.kr