Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '148.5.84.0'
+232
ERRNo PTR record availible DNS server 'dns4.p03.nsone.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.84.5.148.in-addr.arpa'.