Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '210.175.160.0'
+914
ERRNo PTR record availible DNS server 'auth23.ns.gin.ntt.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.160.175.210.in-addr.arpa'.