Robtex

Up: 131.212.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 131.212.0.0/18
Down right: 131.212.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
131.212.4.9	A+PTR	vpn.d.umn.edu
131.212.4.129	A+PTR	pf-6-test.d.umn.edu
131.212.4.130	A+PTR	pf-6-0-test.d.umn.edu
131.212.4.145	A+PTR	connect.d.umn.edu
131.212.5.202	A+PTR	dyn-131-212-5-202.d.umn.edu
131.212.5.214	A	dyn-131-212-5-214.d.umn.edu
131.212.5.216	A	dyn-131-212-5-216.d.umn.edu
131.212.5.232	A	dyn-131-212-5-232.d.umn.edu
131.212.7.1	A+PTR	ilmatar.d.umn.edu
131.212.7.16	A+PTR	dyn-131-212-7-16.d.umn.edu
131.212.7.21	A	dyn-131-212-7-21.d.umn.edu
131.212.7.22	A	dyn-131-212-7-22.d.umn.edu
131.212.7.128	A+PTR	dyn-131-212-7-128.d.umn.edu
131.212.7.129	A+PTR	dyn-131-212-7-129.d.umn.edu
131.212.7.143	A	dyn-131-212-7-143.d.umn.edu
131.212.7.148	A	dyn-131-212-7-148.d.umn.edu
131.212.8.1	A+PTR	dyn-131-212-8-1.d.umn.edu
131.212.12.108	A	nomad12-108.d.umn.edu
131.212.19.42	A	ms.wdse.org
131.212.21.10	A+PTR	ns-0.d.umn.edu
131.212.22.36	A	lakesuperiorstreams.org
131.212.22.36	A	www.parkpointbeach.org
131.212.22.36	A	lakeaccess.org
131.212.22.176	A+PTR	dyn-131-212-22-176.nrri.umn.edu
131.212.22.176	A	www.nrrimez.duckdns.org
131.212.22.176	A	nrrimez.duckdns.org
131.212.28.1	A+PTR	infoblox-1l1.d.umn.edu
131.212.28.2	PTR	dtv102d2.d.umn.edu
131.212.28.2	A	infoblox-1l2.d.umn.edu
131.212.28.33	A+PTR	lars.d.umn.edu
131.212.31.10	A+PTR	ns-1.d.umn.edu
131.212.32.32	A+PTR	netadm.d.umn.edu
131.212.32.34	A	netreg.d.umn.edu
131.212.32.35	A+PTR	netreg-camp.d.umn.edu
131.212.37.43	A	antimuon.org
131.212.41.1	A+PTR	salton.d.umn.edu
131.212.41.4	A+PTR	mwah189ac0.d.umn.edu
131.212.41.10	A	csgrad10.d.umn.edu
131.212.41.13	A	csgrad03.d.umn.edu
131.212.41.128	A+PTR	dyn-131-212-41-128.d.umn.edu
131.212.41.130	A+PTR	dyn-131-212-41-130.d.umn.edu
131.212.41.139	A	dyn-131-212-41-139.d.umn.edu
131.212.41.140	A	dyn-131-212-41-140.d.umn.edu
131.212.46.195	PTR	nomad46-195.d.umn.edu
131.212.47.14	A	psiders.d.umn.edu
131.212.47.32	A	dyn-131-212-47-32.d.umn.edu
131.212.47.33	A	dyn-131-212-47-33.d.umn.edu
131.212.47.34	A	dyn-131-212-47-34.d.umn.edu
131.212.47.128	A+PTR	dyn-131-212-47-128.d.umn.edu
131.212.47.131	A+PTR	dyn-131-212-47-131.d.umn.edu
131.212.47.132	A	dyn-131-212-47-132.d.umn.edu
131.212.47.133	A	dyn-131-212-47-133.d.umn.edu
131.212.60.13	A	achilles.d.umn.edu
131.212.60.17	A	quays-messenger.d.umn.edu
131.212.60.18	A	timmy.d.umn.edu
131.212.60.48	A	skyloft.d.umn.edu
131.212.60.198	A	willie.d.umn.edu
131.212.60.211	A	dyn-131-212-60-211.d.umn.edu
131.212.60.213	A	dyn-131-212-60-213.d.umn.edu
131.212.60.214	A	dyn-131-212-60-214.d.umn.edu
131.212.62.10	A	cfans-cfc216-canonirc3325.d.umn.edu
131.212.62.32	A	dyn-131-212-62-32.d.umn.edu
131.212.62.37	A	dyn-131-212-62-37.d.umn.edu
131.212.62.39	A	dyn-131-212-62-39.d.umn.edu
131.212.62.129	A+PTR	dyn-131-212-62-129.d.umn.edu
131.212.62.130	A+PTR	dyn-131-212-62-130.d.umn.edu
131.212.62.132	A	dyn-131-212-62-132.d.umn.edu
131.212.62.135	A	dyn-131-212-62-135.d.umn.edu
131.212.63.26	A	dyn-131-212-63-26.d.umn.edu
131.212.63.28	A	dyn-131-212-63-28.d.umn.edu
131.212.63.30	A	dyn-131-212-63-30.d.umn.edu
131.212.63.32	A	dyn-131-212-63-32.d.umn.edu
131.212.63.131	A+PTR	dyn-131-212-63-131.d.umn.edu
131.212.63.137	A	dyn-131-212-63-137.d.umn.edu
131.212.63.139	A	dyn-131-212-63-139.d.umn.edu
131.212.63.140	A	dyn-131-212-63-140.d.umn.edu
131.212.67.14	A	dyn-131-212-67-14.d.umn.edu
131.212.67.15	A	dyn-131-212-67-15.d.umn.edu
131.212.67.16	A	dyn-131-212-67-16.d.umn.edu
131.212.67.17	A	dyn-131-212-67-17.d.umn.edu
131.212.69.30	A	dyn-131-212-69-30.d.umn.edu
131.212.69.33	A	dyn-131-212-69-33.d.umn.edu
131.212.69.36	A	dyn-131-212-69-36.d.umn.edu
131.212.69.37	A	dyn-131-212-69-37.d.umn.edu
131.212.69.132	A	dyn-131-212-69-132.d.umn.edu
131.212.69.135	A	dyn-131-212-69-135.d.umn.edu
131.212.69.139	A	dyn-131-212-69-139.d.umn.edu
131.212.69.141	A	dyn-131-212-69-141.d.umn.edu
131.212.97.161	A	ns1.liquid-edge.com
131.212.108.47	A	lakevoicenews.org
131.212.108.47	A	webhotela.d.umn.edu
131.212.108.50	A+PTR	d-commons.d.umn.edu
131.212.108.53	A	cehsp01.d.umn.edu
131.212.108.225	PTR	jord.nrri.umn.edu
131.212.108.225	A	www.nrri.umn.edu
131.212.108.225	A	greatlakeswormwatch.org
131.212.109.15	A	umd-ins-t2.d.umn.edu
131.212.109.19	A	mx4.d.umn.edu
131.212.109.30	A	www.seagrant.umn.edu
131.212.109.33	A	ib.mta.d.umn.edu
131.212.109.68	A	mx4.d.umn.edu
131.212.109.68	A	mxin.mta.d.umn.edu
131.212.109.150	A	mxin.mta.d.umn.edu
131.212.109.150	A	mx1.d.umn.edu
131.212.109.201	A	imap.d.umn.edu
131.212.113.77	A	dyn-131-212-113-77.d.umn.edu
131.212.113.89	A	dyn-131-212-113-89.d.umn.edu
131.212.113.141	A+PTR	dyn-131-212-113-141.d.umn.edu
131.212.113.147	A	dyn-131-212-113-147.d.umn.edu
131.212.113.156	A	dyn-131-212-113-156.d.umn.edu
131.212.113.183	A	dyn-131-212-113-183.d.umn.edu
131.212.118.3	A+PTR	dyn-131-212-118-3.d.umn.edu
131.212.118.90	A	dyn-131-212-118-90.d.umn.edu
131.212.118.92	A	dyn-131-212-118-92.d.umn.edu
131.212.118.93	A	dyn-131-212-118-93.d.umn.edu
131.212.118.148	A+PTR	dyn-131-212-118-148.d.umn.edu
131.212.118.151	A	dyn-131-212-118-151.d.umn.edu
131.212.118.161	A	dyn-131-212-118-161.d.umn.edu
131.212.118.164	A	dyn-131-212-118-164.d.umn.edu
131.212.123.7	A+PTR	data.nrri.umn.edu
131.212.123.7	A	mnwetlandrestore.org
131.212.123.36	A	lakeaccess.org
131.212.123.36	A	milwcountybeaches.org
131.212.123.36	A	duluthstreams.org
131.212.123.42	PTR	beaver.nrri.umn.edu
131.212.123.155	A	mnwetlandrestore.org
131.212.123.155	A	greatlakeswetlands.org
131.212.123.155	A	globalgreatlakes.org