Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '216.147.16.0'
+220
ERRNo PTR record availible DNS server 'ns-1772.awsdns-29.co.uk' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.16.147.216.in-addr.arpa'.