Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '69.64.147.0'
+181
ERRNo PTR record availible DNS server 'ns-925.awsdns-51.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.147.64.69.in-addr.arpa'.