Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '194.45.52.0'
+619
ERRNo PTR record availible DNS server 'ns1.synserver.de' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.52.45.194.in-addr.arpa'.