Robtex

Up: 178.173.172.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 178.173.172.0/25
Down right: 178.173.172.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
178.173.172.68	PTR	hamyar-178-173-172-68.shirazhamyar.ir
178.173.172.68	A	www.farsvet.ir
178.173.172.68	A	ns1.farsvet.ir
178.173.172.69	PTR	hamyar-178-173-172-69.shirazhamyar.ir
178.173.172.69	A	ns2.farsvet.ir