Robtex

Up: 217.172.100.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 217.172.100.0/24
Down right: 217.172.101.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.172.100.45	PTR	mail.gulfcyberian.com
217.172.100.45	A	induscomputer.com
217.172.100.47	A	ns2.gulfcyberian.com
217.172.100.49	A	ns1.gulfcyberian.com
217.172.100.50	A	mail.parscyberian.com
217.172.100.50	A	mail.gulfcyberian.com
217.172.100.50	A	parscyberian.com