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: 134.106.87.120
Hostname: psychologie.uni-oldenburg.de
Hostname: medizin.uni-oldenburg.de
Hostname: www.leda-traitbase.org
Hostname: webb.uni-oldenburg.de
Hostname: leda-traitbase.org
Hostname: diracproject.org