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: 130.126.162.146
Hostname: lib-revproxy-prod.library.illinois.edu
Hostname: idealab.illinois.edu
Hostname: archives.library.illinois.edu
Hostname: wordpress-friends.library.illinois.edu
Hostname: lib-revproxy-dcl1.library.illinois.edu
Hostname: catalogdata.library.illinois.edu
Hostname: a11yfirst.library.illinois.edu
Hostname: openurl.library.illinois.edu
Hostname: www.library.uiuc.edu