Robtex

Up: 85.133.184.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 85.133.188.0/23
Down right: 85.133.190.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
85.133.188.6	PTR	85.133.188.6.pos-1-0.7tir.sepanta.net
85.133.188.13	PTR	85.133.188.13.pos-1-0.7tir.sepanta.net
85.133.188.13	A	mailsrv.admiralline.com
85.133.188.26	PTR	85.133.188.26.pos-1-0.7tir.sepanta.net
85.133.188.74	A+PTR	mail.asanpack.com
85.133.188.74	A	mail.pergampack.com
85.133.188.90	PTR	85.133.188.90.pos-1-0.7tir.sepanta.net
85.133.188.90	A	mail.simaran.info
85.133.188.90	A	fanos.ir
85.133.188.92	PTR	85.133.188.92.pos-1-0.7tir.sepanta.net
85.133.188.92	A	mail.simaran.net
85.133.188.117	PTR	85.133.188.117.pos-1-0.7tir.sepanta.net
85.133.188.117	A	mail.farazshop.com
85.133.188.117	A	farazshop.com
85.133.188.202	PTR	85.133.188.202.pos-1-0.7tir.sepanta.net
85.133.188.202	A	exchange2.peyvand-darya.com
85.133.188.202	A	exchange2.pars-peyvand.com
85.133.188.228	PTR	85.133.188.228.pos-1-0.7tir.sepanta.net
85.133.189.28	PTR	85.133.189.28.pos-1-0.7tir.sepanta.net
85.133.189.51	A	mail.dcmc.ir
85.133.189.51	A	email.tehranjonoobco.com
85.133.189.108	PTR	85.133.189.108.pos-1-0.7tir.sepanta.net
85.133.189.115	PTR	85.133.189.115.pos-1-0.7tir.sepanta.net
85.133.189.134	PTR	85.133.189.134.pos-1-0.7tir.sepanta.net
85.133.189.134	A	omidasa.co
85.133.189.144	PTR	85.133.189.144.pos-1-0.7tir.sepanta.net
85.133.189.150	PTR	mx3.peykasa.ir
85.133.189.150	A	mx1.packpay.ir
85.133.189.150	A	mx1.startiz.ir
85.133.189.154	PTR	85.133.189.154.pos-1-0.7tir.sepanta.net
85.133.189.154	A	www.pafund.ir
85.133.189.154	A	pafund.ir
85.133.189.158	PTR	85.133.189.158.pos-1-0.7tir.sepanta.net
85.133.189.158	A	www.peykasa.ir
85.133.189.158	A	peykasa.ir
85.133.189.179	A	www.yaftar.ir
85.133.189.198	PTR	85.133.189.198.pos-1-0.7tir.sepanta.net
85.133.189.198	A	mail.topgostarsepehr.ir
85.133.189.198	A	mail.taksaran.com
85.133.189.221	PTR	85.133.189.221.pos-1-0.7tir.sepanta.net
85.133.189.221	A	captainlounge.ir
85.133.189.221	A	www.captainlounge.com
85.133.189.222	A	www.captaintea.ir
85.133.190.44	PTR	85.133.190.44.pos-1-0.7tir.sepanta.net
85.133.190.44	A	mail.sayesaman.com
85.133.190.149	PTR	85.133.190.149.pos-1-0.7tir.sepanta.net
85.133.190.200	PTR	85.133.190.200.pos-1-0.7tir.sepanta.net
85.133.190.200	A	torc.ir
85.133.190.200	A	www.tehranrefinery.ir
85.133.191.6	PTR	85.133.191.6.pos-1-0.7tir.sepanta.net
85.133.191.11	PTR	85.133.191.11.pos-1-0.7tir.sepanta.net
85.133.191.255	PTR	85.133.191.255.pos-1-0.7tir.sepanta.net