Robtex

Up: 217.218.84.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 217.218.84.0/24
Down right: 217.218.85.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.218.85.51	A+PTR	mail.kishcellpars.com
217.218.85.52	PTR	mail.samantel.ir
217.218.85.52	A	mx02.samantel.com
217.218.85.54	PTR	mail.kishcellpars.ir
217.218.85.54	A	kishcellpars.com
217.218.85.54	A	ns.kishcellpars.com
217.218.85.218	A	mail.tbnco.com
217.218.85.218	A	remote.tbnco.com
217.218.85.227	A	commercial.tci.ir
217.218.85.230	A	mail.fmkco.ir
217.218.85.230	A	mail.fmkco.com