Robtex

Up: 89.221.80.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 89.221.81.0/25
Down right: 89.221.81.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.221.81.31	A	bro.ir
89.221.81.68	A	qazvin.beest.ir
89.221.81.69	A	shahidbehnam.ir
89.221.81.70	A	raci.ir
89.221.81.83	A	basijkargari.ir
89.221.81.97	PTR	mail.bornapardaz.ir
89.221.81.97	A	ns2.member-list.com
89.221.81.97	A	mail2.bornapardaz.com
89.221.81.102	A	basij.ir
89.221.81.107	A+PTR	mail.igc-ir.com
89.221.81.107	A	mail.igc.ir
89.221.81.108	A+PTR	smtp.igc-ir.com
89.221.81.108	A	smtp.igc.ir
89.221.81.118	A	serajnet.ir
89.221.81.142	A	dsrc.ir
89.221.81.145	A	mx1.sepahnews.com
89.221.81.180	A	snn.ir
89.221.81.189	PTR	mail.breathco.ir
89.221.81.189	A	tashrifat-monaco.com
89.221.81.189	A	heartgenedata.com