Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '203.78.192.0'
+338
ERRNo PTR record availible DNS server 'auth23.ns.gin.ntt.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.192.78.203.in-addr.arpa'.