Robtex

Up: 80.191.160.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 80.191.168.0/22
Down right: 80.191.172.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.191.168.21	A	nut.uk.ac.ir
80.191.168.107	A	edu.uk.ac.ir
80.191.168.115	A+PTR	mx1.uk.ac.ir
80.191.168.115	A	mail.netsellit.com
80.191.168.116	A+PTR	mx2.uk.ac.ir
80.191.168.118	A	graduate.uk.ac.ir
80.191.168.119	PTR	webmail.uk.ac.ir
80.191.168.120	A	wwx.uk.ac.ir
80.191.168.141	A	uk.ac.ir
80.191.168.149	A	arg3.uk.ac.ir
80.191.168.201	A	edu.uk.ac.ir
80.191.168.237	A	inseneenv.uk.ac.ir
80.191.168.237	A	agronomy.uk.ac.ir
80.191.168.237	A	fa.uk.ac.ir
80.191.168.243	A	ee.uk.ac.ir
80.191.168.243	A	mirc.uk.ac.ir
80.191.168.243	A	ipmc.uk.ac.ir
80.191.169.2	A	dns.iausirjan.ac.ir
80.191.169.3	A	www.iausirjan.ac.ir
80.191.169.3	A	flats.es
80.191.169.3	A	9116c.sunyang888.com
80.191.169.9	A	mail.iausirjan.ac.ir
80.191.169.24	A	mail.iausirjan.ac.ir
80.191.170.9	A	ns.geg.ir
80.191.170.9	A	ns.golgohar.com
80.191.172.4	A	ns2.usb.ac.ir
80.191.172.7	A+PTR	sonbol.usb.ac.ir
80.191.172.12	A	vpn1srv5.usb.ac.ir
80.191.172.14	A+PTR	taftan.usb.ac.ir
80.191.172.15	A	webmail.usb.ac.ir
80.191.172.20	A	vu2.usb.ac.ir
80.191.172.22	A+PTR	wsrv.usb.ac.ir
80.191.172.22	A	waterdamagechandler.us
80.191.172.22	A	lib.usb.ac.ir
80.191.172.23	PTR	w2.usb.ac.ir
80.191.172.23	PTR	usb.ac.ir
80.191.172.69	A	sada.usb.ac.ir
80.191.172.75	A+PTR	journals.usb.ac.ir
80.191.172.75	A	jeps.usb.ac.ir
80.191.174.3	A	srvexchange2.oshidaco.ir
80.191.174.4	A	mail.zaums.ac.ir
80.191.174.7	A	zaums.ac.ir
80.191.174.7	A	www.zaums.ac.ir
80.191.174.111	A	ns1.zaums.ac.ir
80.191.175.66	A	sb-agrijahad.ir