Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '192.157.72.0'
+122
ERRNo PTR record availible DNS server 'ns-1845.awsdns-38.co.uk' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.72.157.192.in-addr.arpa'.