Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '103.172.141.0'
+115
ERRNo PTR record availible DNS server 'rirns.arin.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.141.172.103.in-addr.arpa'.