Robtex

Up: 80.89.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 80.89.48.0/21
Down right: 80.89.56.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.89.48.0	PTR	no-node-ip.inet.signal.no
80.89.48.1	PTR	ge-1-2-1.cr1.bo.inet.signal.no
80.89.48.2	PTR	ge-0-1.cr1.bo.inet.signal.no
80.89.49.1	PTR	80-89-49-1.inet.signal.no
80.89.49.34	PTR	80-89-49-34.inet.signal.no
80.89.49.34	A	osapen.com
80.89.49.76	A	post.lovold.no
80.89.49.77	A	havbruksloggen.no
80.89.49.80	A	post.dekkimport.no
80.89.49.90	A	post.salten-revisjon.no
80.89.49.95	A	post.johlovoldhandel.no
80.89.49.95	A	post.lovoldskafeteria.no
80.89.49.102	A	post.lovold.no
80.89.50.2	A	gw.drag.no
80.89.50.14	A	office.seria.net
80.89.50.30	A	post.e-consult.no
80.89.50.38	A	80-89-50-38.inet.signal.no
80.89.50.42	A	80-89-50-42.inet.signal.no
80.89.50.70	A	80-89-50-70.inet.signal.no
80.89.50.70	A	remote.sjco.no
80.89.50.74	A	post.acnn.no
80.89.50.90	A	80-89-50-90.inet.signal.no
80.89.50.90	A	mail.kirken.bodo.no
80.89.50.98	A+PTR	80-89-50-98.inet.signal.no
80.89.50.98	A	mail.boproas.no
80.89.50.114	A+PTR	80-89-50-114.inet.signal.no
80.89.50.118	A	80-89-50-118.inet.signal.no
80.89.50.142	A	post.siffo.no
80.89.50.142	A	mail.consisbodo.no
80.89.50.186	A	post.hobmaskin.no
80.89.50.186	A	hobmaskin.no
80.89.50.186	A	80-89-50-186.inet.signal.no
80.89.50.194	A	mail.opfure.no
80.89.50.243	A+PTR	mail.rkkyh.no
80.89.50.244	A	mail.hel.no
80.89.51.2	A	support.isk-tv.no
80.89.51.47	A	remote.bamek.no
80.89.51.197	A	80-89-51-197.inet.signal.no
80.89.52.38	A	ude.no
80.89.52.50	A	post.meglerhuset.com
80.89.53.0	PTR	80-89-53-0.insignal.net
80.89.53.35	PTR	80-89-53-35.insignal.net
80.89.54.0	PTR	80-89-54-0.insignal.net
80.89.54.28	A	post.busch-s.no
80.89.54.38	A	mail.trafikknett.no
80.89.55.10	A	wwwmicrosoft.org
80.89.55.12	A	northcase.com
80.89.55.12	A	northmod.net
80.89.55.12	A	mail.morkved.net
80.89.56.9	A	post.ocn.no
80.89.56.9	A	post.kima.no
80.89.56.9	A	mail.fysiopro.no
80.89.56.31	A	unixcoder.be
80.89.57.1	PTR	dmz64.signal.no
80.89.57.2	A+PTR	ns.signal.no
80.89.57.3	A+PTR	mta01.signal.no
80.89.57.4	A	mx01.signal.no
80.89.57.5	A	app1.signal.no
80.89.57.17	A+PTR	web02.signal.no
80.89.57.70	A+PTR	dns2.signal.no
80.89.58.1	A+PTR	80-89-58-1.inet.signal.no
80.89.60.10	A	totalnett.net
80.89.60.10	A	dns1.totalnett.net
80.89.60.13	A	totalnett.net
80.89.60.60	A	80-89-60-60.inet.signal.no
80.89.62.0	A	80-89-62-0.inet.signal.no
80.89.62.255	A	80-89-62-255.inet.signal.no
80.89.63.0	A	80-89-63-0.inet.signal.no
80.89.63.130	A	vm1.greit.no
80.89.63.132	A	smolt.no
80.89.63.132	A	idut.no
80.89.63.132	A	80-89-63-132.inet.signal.no
80.89.63.239	A	80-89-63-239.network.itconnect.no