Robtex

Up: 206.196.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 206.196.160.0/20
Down right: 206.196.176.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
206.196.160.0	PTR	1003b.net.umd.edu
206.196.162.104	A	wireless-206-196-162-104.umd.edu
206.196.162.163	A	wireless-206-196-162-163.umd.edu
206.196.164.156	A	wireless-206-196-164-156.umd.edu
206.196.166.253	A	wireless-206-196-166-253.umd.edu
206.196.172.5	A+PTR	bgr.umd.edu
206.196.172.5	A	igsr.umd.edu
206.196.172.140	A	hidta.org
206.196.172.150	A	gb-virus1.hidta.org
206.196.172.150	A	mail2.hidta.org
206.196.176.1	A	wash-racklan.maxgigapop.net
206.196.176.2	A+PTR	noc.maxgigapop.net
206.196.176.2	PTR	olddns.maxgigapop.net
206.196.176.2	A	ns2.maxgigapop.net
206.196.176.41	A	nutshell.maxgigapop.net
206.196.176.42	A	wiki.maxgigapop.net
206.196.176.46	A	netsmart.maxgigapop.net
206.196.176.47	A	clpk-sentry.maxgigapop.net
206.196.176.82	A	dcne-luxn.maxgigapop.net
206.196.176.83	A	dcne-sentry.maxgigapop.net
206.196.176.84	A	dcne-6024.maxgigapop.net
206.196.176.87	A	wanmux-eck.maxgigapop.net
206.196.176.131	A	lab-pc1.maxgigapop.net
206.196.176.137	A	olive6.maxgigapop.net
206.196.176.140	A	lab-m10-02.maxgigapop.net
206.196.176.146	A	monitor.maxgigapop.net
206.196.176.165	A	gregar.ious.org
206.196.176.165	A	loquac.ious.org
206.196.176.165	A	ious.org
206.196.176.210	A	web100.maxgigapop.net
206.196.176.210	A	clpk-perf.maxgigapop.net
206.196.176.210	A	npad.maxgigapop.net
206.196.176.212	A	clpk-ps.maxgigapop.net
206.196.177.34	A	nlm-rtr.maxgigapop.net
206.196.177.42	A	nih-rtr.maxgigapop.net
206.196.177.82	A	nren-rtr.maxgigapop.net
206.196.177.135	PTR	clpk-netmd-c.maxgigapop.net
206.196.177.135	A	occ-0-2010-2430.1.nflxso.net
206.196.177.135	A	occ-0-2010-2433.1.nflxso.net
206.196.177.138	A	nsf-rtr.maxgigapop.net
206.196.178.22	A	arlg-6024.maxgigapop.net
206.196.178.35	A+PTR	clpk-dns.admin.maxgigapop.net
206.196.178.35	A+PTR	ns1.maxgigapop.net
206.196.178.35	A+PTR	dns.maxgigapop.net
206.196.178.43	A	dns.maxgigapop.net
206.196.178.91	A	dns.maxgigapop.net
206.196.178.91	A	ns3.maxgigapop.net
206.196.178.232	A+PTR	janus.jhuapl.edu
206.196.179.131	A+PTR	179-131.research.maxgigapop.net
206.196.179.136	A	idc.maxgigapop.net
206.196.179.237	A	charon.dragon.maxgigapop.net
206.196.179.243	A	idc.maxgigapop.net
206.196.184.26	A	206-196-184-26.wireless.umd.edu
206.196.184.84	A	206-196-184-84.wireless.umd.edu
206.196.184.92	A	206-196-184-92.wireless.umd.edu
206.196.184.98	PTR	206-196-184-98.wireless.umd.edu
206.196.186.174	A+PTR	206-196-186-174.wireless.umd.edu
206.196.186.218	A	206-196-186-218.wireless.umd.edu
206.196.186.228	A+PTR	206-196-186-228.wireless.umd.edu
206.196.190.70	A+PTR	gsr.umd.edu