Robtex

Up: 85.133.128.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 85.133.128.0/23
Down right: 85.133.130.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
85.133.128.247	PTR	m.vayakia.com
85.133.128.247	PTR	mail-hosting.sepanta.net
85.133.128.247	PTR	mail.sepanta.co.ir
85.133.128.248	A	ns.sepanta.net
85.133.128.248	A	ns2.sepanta.net
85.133.128.249	A+PTR	ns1.sepanta.net
85.133.128.249	A	filtering.sepanta.net
85.133.128.252	PTR	85.133.128.252.pos-1-0.7tir.sepanta.net
85.133.129.2	PTR	demo.ringpbx.ir
85.133.129.2	PTR	85.133.129.2.pos-1-0.7tir.sepanta.net
85.133.129.2	A	ronaktech.com
85.133.129.18	PTR	chenaran-fereshteh.ir
85.133.129.18	A+PTR	emarat-chenaran.ir
85.133.129.18	PTR	website.sepanta.com
85.133.129.25	PTR	85.133.129.25.pos-1-0.7tir.sepanta.net
85.133.129.38	A+PTR	websrv5.sepanta.net
85.133.129.46	PTR	85.133.129.46.pos-1-0.7tir.sepanta.net
85.133.129.54	PTR	85.133.129.54.pos-1-0.7tir.sepanta.net
85.133.129.54	A	owa.sepanta.net
85.133.129.62	A	moia.ir
85.133.129.62	A	www.moia.ir
85.133.129.66	PTR	85.133.129.66.pos-1-0.7tir.sepanta.net
85.133.129.66	A	www.bapeyk.com
85.133.129.66	A	dclocals.com
85.133.129.70	PTR	85.133.129.70.pos-1-0.7tir.sepanta.net
85.133.129.70	A	mail.a-karimi.ir
85.133.129.98	PTR	85.133.129.98.pos-1-0.7tir.sepanta.net
85.133.129.98	A	mail-hosting-01.sepanta.net
85.133.129.130	A	gis.sepanta.net
85.133.129.138	A+PTR	ringpbx.ir
85.133.129.138	A+PTR	voip-info.ir
85.133.129.138	PTR	www.voip-info.ir
85.133.129.142	PTR	85.133.129.142.pos-1-0.7tir.sepanta.net
85.133.129.142	A	*.rezalet.com
85.133.129.142	A	mail.tourofpersia.com
85.133.129.146	A+PTR	kiarash.net
85.133.129.146	A+PTR	vps1.sepanta.net
85.133.129.146	PTR	85.133.129.146.pos-1-0.7tir.sepanta.net
85.133.129.154	PTR	85.133.129.154.pos-1-0.7tir.sepanta.net
85.133.129.154	PTR	torghabepress.ir
85.133.129.154	PTR	toroghbaz.ir
85.133.129.186	PTR	alicegym.com
85.133.129.186	PTR	delkadeh-club.com
85.133.129.186	PTR	hoteleramgym.com
85.133.129.190	A+PTR	websrv4.sepanta.net
85.133.129.190	PTR	85.133.129.190.pos-1-0.7tir.sepanta.net
85.133.129.194	PTR	mail.sepanta.com
85.133.129.194	PTR	mail.sepanta.net
85.133.129.194	A+PTR	mx01.sepanta.net
85.133.129.198	A+PTR	websrv3.sepanta.net
85.133.129.198	PTR	website.portal.sepanta.com
85.133.129.198	PTR	85.133.129.198.pos-1-0.7tir.sepanta.net
85.133.129.202	PTR	sepanta.com
85.133.129.202	PTR	sepanta.ir
85.133.129.202	PTR	sepanta.net
85.133.129.218	PTR	sharepoint.sepanta.com
85.133.129.218	PTR	office.sepanta.net
85.133.129.218	PTR	85.133.129.218.pos-1-0.7tir.sepanta.net
85.133.129.226	PTR	85.133.129.226.pos-1-0.7tir.sepanta.net
85.133.129.226	PTR	sts.sepanta.net
85.133.129.226	PTR	office.sepanta.net
85.133.129.234	A+PTR	mail.sepanta.ir
85.133.129.238	A	ringpbx.sepanta.com
85.133.129.246	A+PTR	sepantamail.com
85.133.129.246	PTR	mail.sepantamail.com
85.133.129.246	A	mail.ircps.com
85.133.129.249	PTR	85.133.129.249.pos-1-0.7tir.sepanta.net
85.133.129.250	PTR	opmanager.sepanta.net
85.133.129.250	A	mail.behnam-music.com
85.133.129.250	A	mail.sabanaghsh.com
85.133.130.14	PTR	85.133.130.14.pos-1-0.7tir.sepanta.net
85.133.130.54	PTR	85.133.130.54.pos-1-0.7tir.sepanta.net
85.133.130.54	A	mail.tcmp.ir
85.133.130.74	PTR	85.133.130.74.pos-1-0.7tir.sepanta.net
85.133.130.75	PTR	85.133.130.75.pos-1-0.7tir.sepanta.net
85.133.130.86	PTR	85.133.130.86.pos-1-0.7tir.sepanta.net
85.133.131.33	PTR	85.133.131.33.pos-1-0.7tir.sepanta.net