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: 143.233.226.80
Hostname: legaloffice.demokritos.gr
Hostname: elke.demokritos.gr
Hostname: www.demokritos.gr
Hostname: innovation.demokritos.gr
Hostname: demokritos.gr