Robtex

Up: 85.185.80.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 85.185.84.0/23
Down right: 85.185.86.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
85.185.84.6	A	mail.ferdowsiau.ac.ir
85.185.84.140	A	birjandut.ir
85.185.84.140	A	mta.birjandut.ir
85.185.84.140	A	ns1.birjandut.ir
85.185.84.152	A	www.butlibrary.ir
85.185.84.152	A	butlibrary.ir
85.185.84.213	A	ns1.skpnu.ac.ir
85.185.84.213	A	skpnu.ac.ir
85.185.84.213	A	ns2.skpnu.ac.ir
85.185.85.194	A	mail.ebayofiran.com
85.185.85.194	A	mail.springmvc.ir
85.185.85.194	A	mail.bugeoconf.ir
85.185.86.135	A+PTR	pls.iaubir.ac.ir
85.185.86.137	A	amzweb-v0.iaubir.ac.ir
85.185.86.148	PTR	srb.iaubir.ac.ir
85.185.86.170	PTR	autosys.iaubir.ac.ir
85.185.86.171	A	amzweb-v1.iaubir.ac.ir
85.185.86.175	A	amzweb-v5.iaubir.ac.ir
85.185.86.180	PTR	iaubir.ac.ir
85.185.86.180	A	www.iaubir.ac.ir
85.185.86.180	A	samabir.ac.ir
85.185.86.181	PTR	wsus.iaubir.ir
85.185.86.182	PTR	portal.iaubir.ac.ir
85.185.86.186	A+PTR	mail.iaubir.ir
85.185.86.186	A	mail.iaubir.com
85.185.86.186	A	iaubirmail.iaubir.ir
85.185.86.190	A+PTR	accounting.iaubir.ac.ir
85.185.86.201	A+PTR	mc.iaubir.ir
85.185.86.211	A+PTR	ns1.iaubir.ir
85.185.86.211	A	mcu.iaubir.ir
85.185.86.212	A+PTR	ns2.iaubir.ir
85.185.86.212	A	ns2.iauabadeh.ac.ir
85.185.86.220	A+PTR	ns.iaubir.ir
85.185.86.222	A+PTR	portal.iaubir.ac.ir