Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '216.147.192.0'
+122
ERRNo PTR record availible DNS server 'ns-47.awsdns-05.com' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.192.147.216.in-addr.arpa'.