Robtex

Up: 208.66.42.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 208.66.43.0/25
Down right: 208.66.43.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.66.43.5	PTR	vacant.spiderhost.com
208.66.43.13	PTR	vacant.spiderhost.com
208.66.43.14	A	blackdevilbrigade.com
208.66.43.14	A	mcmahons.us
208.66.43.17	PTR	businessevents.motorola.com
208.66.43.17	A	businessevents.motorolasolutions.com
208.66.43.24	A	secure.thelimucompany.com
208.66.43.24	A	dev.thelimucompany.com
208.66.43.24	A	intranet.thelimucompany.com
208.66.43.28	PTR	vacant.spiderhost.com
208.66.43.35	PTR	vacant.spiderhost.com
208.66.43.37	PTR	vacant.spiderhost.com
208.66.43.42	PTR	vacant.spiderhost.com
208.66.43.42	A	acumedgroup.com
208.66.43.42	A	lilyflanders.com
208.66.43.47	PTR	vacant.spiderhost.com
208.66.43.47	A	rogerscpa.com
208.66.43.53	PTR	vacant.spiderhost.com
208.66.43.54	PTR	vacant.spiderhost.com
208.66.43.57	PTR	vacant.spiderhost.com
208.66.43.63	PTR	vacant.spiderhost.com
208.66.43.68	PTR	sharepoint.orlandotechworks.net
208.66.43.71	PTR	fw-orl.orlandotechworks.net
208.66.43.73	PTR	vacant.spiderhost.com
208.66.43.78	PTR	vacant.spiderhost.com
208.66.43.79	PTR	vacant.spiderhost.com
208.66.43.80	PTR	bm-a.barnettmurphy.com
208.66.43.81	PTR	bm-b.barnettmurphy.com
208.66.43.81	A	axialfanselection.com
208.66.43.82	PTR	vacant.spiderhost.com
208.66.43.82	A	orlandosalesmarket.com
208.66.43.83	PTR	vacant.spiderhost.com
208.66.43.84	PTR	vacant.spiderhost.com
208.66.43.85	PTR	vacant.spiderhost.com
208.66.43.99	PTR	pds7.orlandotechworks.net
208.66.43.100	A+PTR	aslanforexrebates.com
208.66.43.110	PTR	vacant.spiderhost.com
208.66.43.112	PTR	ns3.orlandotechworks.net
208.66.43.113	PTR	ns4.orlandotechworks.net
208.66.43.116	PTR	vacant.spiderhost.com
208.66.43.116	A	epedigreesolution.net
208.66.43.116	A	epedigreesolution.com
208.66.43.119	PTR	vacant.spiderhost.com
208.66.43.122	PTR	vacant.spiderhost.com
208.66.43.130	PTR	vacant.spiderhost.com
208.66.43.131	PTR	innovative.improvehcquality.com
208.66.43.132	PTR	official.improvehcquality.com
208.66.43.134	PTR	official.medicalcerteducation.com
208.66.43.138	PTR	official.get-hc-certified.com
208.66.43.143	A	ryanp.ca
208.66.43.157	PTR	innovative.pro-option-marketing.com
208.66.43.159	PTR	mail.discoverthewave.com
208.66.43.174	PTR	vacant.spiderhost.com
208.66.43.176	PTR	vacant.spiderhost.com
208.66.43.181	PTR	vacant.spiderhost.com
208.66.43.184	PTR	vacant.spiderhost.com
208.66.43.186	PTR	vacant.spiderhost.com
208.66.43.186	A	qualifiedmedia.com
208.66.43.192	PTR	dcd2.digitaldocs.net
208.66.43.192	A	digidocs-east.net
208.66.43.192	A	digitaldocs-east.net
208.66.43.194	PTR	vacant.spiderhost.com
208.66.43.196	PTR	vacant.spiderhost.com
208.66.43.197	PTR	vacant.spiderhost.com
208.66.43.199	PTR	vacant.spiderhost.com
208.66.43.204	PTR	vacant.spiderhost.com
208.66.43.205	PTR	vacant.spiderhost.com
208.66.43.210	PTR	vacant.spiderhost.com
208.66.43.210	A	ykkimonline.com
208.66.43.210	A	ykkimproductions.com
208.66.43.214	PTR	innovative.hc-answers.com
208.66.43.220	A	mail.digitaldocs.net
208.66.43.221	A	keepingittogetherkit.com
208.66.43.224	PTR	vacant.spiderhost.com
208.66.43.240	PTR	instruction.audiotrainingpro.com
208.66.43.251	PTR	succeed.hcaudiotrainingpros.com
208.66.43.251	A	mashamusicacademy.com
208.66.43.253	PTR	evolve.hc-audio-training-pros.com