Robtex

Up: 92.50.0.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 92.50.1.0/25
Down right: 92.50.1.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
92.50.1.0	PTR	92.50.1.0.adsl-user.shahrad.net
92.50.1.1	PTR	92.50.1.1.adsl-user.shahrad.net
92.50.1.3	A	shahrad.ir
92.50.1.3	A	shahrad.org
92.50.1.3	A	shahrad.com
92.50.1.11	PTR	92.50.1.11.adsl-user.shahrad.net
92.50.1.22	PTR	server.panel01.com
92.50.1.22	A	ns2.naryan.com
92.50.1.22	A	ns2.mandhoom.com
92.50.1.35	PTR	92.50.1.35.adsl-user.shahrad.net
92.50.1.42	PTR	92.50.1.42.adsl-user.shahrad.net
92.50.1.47	PTR	92.50.1.47.adsl-user.shahrad.net
92.50.1.53	PTR	92.50.1.53.adsl-user.shahrad.net
92.50.1.61	PTR	92.50.1.61.adsl-user.shahrad.net
92.50.1.66	PTR	92.50.1.66.adsl-user.shahrad.net
92.50.1.67	PTR	92.50.1.67.adsl-user.shahrad.net
92.50.1.79	PTR	92.50.1.79.adsl-user.shahrad.net
92.50.1.96	PTR	92.50.1.96.adsl-user.shahrad.net
92.50.1.103	PTR	92.50.1.103.adsl-user.shahrad.net
92.50.1.123	PTR	92.50.1.123.adsl-user.shahrad.net
92.50.1.148	PTR	92.50.1.148.adsl-user.shahrad.net
92.50.1.164	PTR	92.50.1.164.adsl-user.shahrad.net
92.50.1.176	PTR	92.50.1.176.adsl-user.shahrad.net
92.50.1.180	PTR	92.50.1.180.adsl-user.shahrad.net
92.50.1.193	PTR	92.50.1.193.adsl-user.shahrad.net
92.50.1.203	PTR	92.50.1.203.adsl-user.shahrad.net
92.50.1.211	PTR	92.50.1.211.adsl-user.shahrad.net
92.50.1.226	PTR	92.50.1.226.adsl-user.shahrad.net
92.50.1.227	PTR	92.50.1.227.adsl-user.shahrad.net
92.50.1.251	PTR	92.50.1.251.adsl-user.shahrad.net
92.50.1.252	PTR	92.50.1.252.adsl-user.shahrad.net