Robtex

Up: 208.67.216.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 208.67.216.0/24
Down right: 208.67.217.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.67.216.2	PTR	sw1.sea.opendns.com
208.67.216.3	A	sw1.sea.opendns.com
208.67.216.8	A+PTR	span-ipmi.sea.opendns.com
208.67.216.11	PTR	m1.sea.opendns.com
208.67.216.13	A+PTR	m3.sea.opendns.com
208.67.216.15	A+PTR	m5.sea.opendns.com
208.67.216.17	A	m7.sea.opendns.com
208.67.216.19	PTR	bld9.sea.opendns.com
208.67.216.19	A	m9.sea.opendns.com
208.67.216.21	PTR	m11.sea.opendns.com
208.67.216.23	A+PTR	m13.sea.opendns.com
208.67.216.24	A+PTR	m14.sea.opendns.com
208.67.216.24	A	vpn.tahoe.opendns.com
208.67.216.28	A+PTR	m18.sea.opendns.com
208.67.216.31	A+PTR	m21.sea.opendns.com
208.67.216.36	A+PTR	m25.sea.opendns.com
208.67.216.61	A+PTR	m29.sea.opendns.com
208.67.216.66	A+PTR	m33.sea.opendns.com
208.67.216.71	A+PTR	m37.sea.opendns.com
208.67.216.76	A+PTR	m41.sea.opendns.com
208.67.216.81	A+PTR	m45.sea.opendns.com
208.67.216.86	A+PTR	m49.sea.opendns.com
208.67.216.130	PTR	hit-adult.opendns.com
208.67.216.130	A	mail.toys61.net
208.67.216.131	PTR	hit-block.opendns.com
208.67.216.132	PTR	hit-nxdomain.opendns.com
208.67.216.132	A	geohiker.com
208.67.216.132	A	scotsmansguide.com
208.67.216.133	PTR	hit-phish.opendns.com
208.67.216.134	PTR	hit-servfail.opendns.com
208.67.216.135	PTR	block.opendns.com
208.67.216.135	A	blocked-website.com
208.67.216.136	PTR	guide.opendns.com
208.67.216.136	A	sea.guide.opendns.com
208.67.216.137	PTR	phish.opendns.com
208.67.216.138	PTR	block.opendns.com
208.67.216.139	PTR	guide.opendns.com
208.67.216.140	PTR	phish.opendns.com
208.67.216.141	A	files.opendns.com
208.67.216.142	PTR	www-files.opendns.com
208.67.216.143	PTR	hit-bpb.opendns.com
208.67.216.144	A+PTR	bpb.opendns.com
208.67.216.145	PTR	hit-nxdomain.dlinksearch.com
208.67.216.145	A	selftrans.com
208.67.216.145	A	mx.selftrans.com
208.67.216.146	PTR	hit-servfail.dlinksearch.com
208.67.216.148	A+PTR	www1.dlinksearch.com
208.67.216.149	PTR	hit-malware.opendns.com
208.67.216.150	PTR	malware.opendns.com
208.67.216.152	A	phish.opendns.com
208.67.216.157	A	block.proxy.umbrella.opendns.com
208.67.216.157	A	malware.proxy.umbrella.opendns.com
208.67.216.230	A	mountain-fresh.com
208.67.216.230	A	pw8.org
208.67.217.1	A+PTR	rtr1.nyc.opendns.com
208.67.217.3	A	sw1.nyc.opendns.com
208.67.217.11	A+PTR	m1.nyc.opendns.com
208.67.217.13	A+PTR	m3.nyc.opendns.com
208.67.217.14	A	m4.nyc.opendns.com
208.67.217.15	A+PTR	m5.nyc.opendns.com
208.67.217.16	A+PTR	m6.nyc.opendns.com
208.67.217.17	A+PTR	m7.nyc.opendns.com
208.67.217.18	A+PTR	m8.nyc.opendns.com
208.67.217.19	A+PTR	m9.nyc.opendns.com
208.67.217.21	A+PTR	m11.nyc.opendns.com
208.67.217.22	A	m12.nyc.opendns.com
208.67.217.26	A+PTR	m16.nyc.opendns.com
208.67.217.27	A+PTR	m17.nyc.opendns.com
208.67.217.28	A+PTR	m18.nyc.opendns.com
208.67.217.33	A+PTR	m23.nyc.opendns.com
208.67.217.40	A+PTR	m68.nyc.opendns.com
208.67.217.65	A+PTR	m25.nyc.opendns.com
208.67.217.66	A+PTR	m29.nyc.opendns.com
208.67.217.67	A+PTR	m33.nyc.opendns.com
208.67.217.68	A+PTR	m37.nyc.opendns.com
208.67.217.69	A+PTR	m41.nyc.opendns.com
208.67.217.70	A+PTR	m45.nyc.opendns.com
208.67.217.71	A+PTR	m49.nyc.opendns.com
208.67.217.72	A+PTR	m53.nyc.opendns.com
208.67.217.73	A+PTR	m57.nyc.opendns.com
208.67.217.74	A+PTR	m61.nyc.opendns.com
208.67.217.130	PTR	hit-adult.opendns.com
208.67.217.130	A	*.rosenthal-life.com
208.67.217.130	A	rosenthal-life.com
208.67.217.131	PTR	hit-block.opendns.com
208.67.217.132	PTR	hit-nxdomain.opendns.com
208.67.217.132	A	mailerg.com
208.67.217.132	A	*.tonawandacitypd.com
208.67.217.133	PTR	hit-phish.opendns.com
208.67.217.134	PTR	hit-servfail.opendns.com
208.67.217.135	PTR	block.opendns.com
208.67.217.136	PTR	guide.opendns.com
208.67.217.136	A	website-unavailable.com
208.67.217.136	A	www.guide.opendns.com
208.67.217.137	PTR	phish.opendns.com
208.67.217.138	PTR	block.opendns.com
208.67.217.139	PTR	guide.opendns.com
208.67.217.140	PTR	phish.opendns.com
208.67.217.142	PTR	www-files.opendns.com
208.67.217.143	PTR	hit-bpb.opendns.com
208.67.217.143	PTR	hit-servfail-cradlepoint.opendns.com
208.67.217.144	PTR	bpb.opendns.com
208.67.217.145	PTR	hit-nxdomain.dlinksearch.com
208.67.217.146	PTR	hit-servfail.dlinksearch.com
208.67.217.148	PTR	www1.dlinksearch.com
208.67.217.149	PTR	hit-malware.opendns.com
208.67.217.150	PTR	malware.opendns.com
208.67.217.230	PTR	google.navigation.opendns.com