Robtex

Up: 208.67.224.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 208.67.228.0/23
Down right: 208.67.230.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.67.228.4	PTR	hostip-4.228.67.208.in-addr.arpa
208.67.228.97	PTR	ip.nuspire.com
208.67.228.99	PTR	hostip-99.228.67.208.in-addr.arpa
208.67.228.125	PTR	hostip-125.228.67.208.in-addr.arpa
208.67.228.143	PTR	hostip-143.228.67.208.in-addr.arpa
208.67.228.162	PTR	hostip-162.228.67.208.in-addr.arpa
208.67.228.162	A	dns1.usdata1.com
208.67.228.163	PTR	hostip-163.228.67.208.in-addr.arpa
208.67.228.163	A	dns2.usdata1.com
208.67.228.164	PTR	hostip-164.228.67.208.in-addr.arpa
208.67.228.165	PTR	hostip-165.228.67.208.in-addr.arpa
208.67.228.194	PTR	relay.nuspire.com
208.67.228.194	A	mail.gmit.biz
208.67.228.194	A	mail.twilightbenefit.com
208.67.228.202	A+PTR	mail.nuspire.com
208.67.228.202	PTR	hostip-202.228.67.208.in-addr.arpa
208.67.228.202	A	mail.gmdit.com
208.67.229.65	PTR	hostip-65.229.67.208.in-addr.arpa
208.67.229.66	PTR	merrilyproductions.com
208.67.229.66	A+PTR	lms.nuspire.com
208.67.229.66	PTR	hostip-66.229.67.208.in-addr.arpa
208.67.229.68	PTR	hostip-68.229.67.208.in-addr.arpa
208.67.229.68	A	twilightfoundation.org
208.67.229.71	PTR	hostip-71.229.67.208.in-addr.arpa
208.67.229.71	A	www.gmpowertrain.com
208.67.229.71	A	gmpowertrain.com
208.67.229.74	A	forddtip.com
208.67.229.75	PTR	hostip-75.229.67.208.in-addr.arpa
208.67.229.76	PTR	hostip-76.229.67.208.in-addr.arpa
208.67.229.76	A	avdefense.net
208.67.229.76	A	reg-saw.com
208.67.229.83	PTR	hostip-83.229.67.208.in-addr.arpa
208.67.229.83	A	gmdit.com
208.67.229.88	A	subarudt.com