Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '206.117.148.0'
+370
ERRNo PTR record availible DNS server 'c30.ln.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.148.117.206.in-addr.arpa'.