Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '12.128.0.0'
+163
ERRNo PTR record availible DNS server 'cbru.br.ns.els-gms.att.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.0.128.12.in-addr.arpa'.