Robtex

Up: 208.66.40.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 208.66.41.0/25
Down right: 208.66.41.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.66.41.2	A+PTR	ns1.spiderhost.com
208.66.41.3	PTR	www.spiderhost.com
208.66.41.3	A	spiderarchives.com
208.66.41.3	A	mail.spiderhost.com
208.66.41.4	A	secure.spiderhost.com
208.66.41.5	A+PTR	www.spiderhost.com
208.66.41.5	A	registrars.webtops.com
208.66.41.5	A	webtops.com
208.66.41.6	PTR	vacant.spiderhost.com
208.66.41.6	A	www.spiderhost.com
208.66.41.6	A	fastafservers.com
208.66.41.9	A	bigorangemobility.com
208.66.41.10	PTR	vacant.spiderhost.com
208.66.41.10	A	statewidecabinetsinc.com
208.66.41.10	A	dquinnbuilds.com
208.66.41.12	PTR	www9.spiderhost.com
208.66.41.12	A	seminolemagazine.com
208.66.41.12	A	bricktacular.net
208.66.41.15	PTR	vacant.spiderhost.com
208.66.41.15	A	dquinnbuilds.com
208.66.41.15	A	conniequinnproperties.com
208.66.41.16	A	nohasslevacations.com
208.66.41.17	A	therugnetwork.com
208.66.41.19	PTR	vacant.spiderhost.com
208.66.41.19	A	*.collinsmanufacturing.com
208.66.41.19	A	floridadsi.com
208.66.41.20	A	onyaeverywear.com
208.66.41.21	A	pigletspantry.com
208.66.41.23	PTR	vacant.spiderhost.com
208.66.41.23	A	sunmobilityrentals.com
208.66.41.24	A	cookingwineandtravel.com
208.66.41.30	A	itsallgeektome.org
208.66.41.30	A	octo.spiderhost.com
208.66.41.30	A	geekology.org
208.66.41.35	PTR	mx3.spiderhost.com
208.66.41.35	A	mail.autoranchusa.com
208.66.41.35	A	mail.layman.org
208.66.41.36	PTR	mx4.spiderhost.com
208.66.41.36	A	mail.autoranchusa.com
208.66.41.37	PTR	webmail2.spiderhost.com
208.66.41.37	A	mail.autoranchusa.com
208.66.41.37	A	webmail1.spiderhost.com
208.66.41.39	A+PTR	mail.gatorzone.com
208.66.41.40	PTR	webmail1.spiderhost.com
208.66.41.40	A	webmail2.spiderhost.com
208.66.41.40	A	webmail.kairosix.com
208.66.41.41	A	mx1.spiderhost.com
208.66.41.42	A	mx2.spiderhost.com
208.66.41.43	PTR	smtp.spiderhost.com
208.66.41.44	PTR	vacant.spiderhost.com
208.66.41.44	A	mail.bauerfinancial.com
208.66.41.44	A	mail.physiquebodyware.info
208.66.41.46	A	mx5.spiderhost.com
208.66.41.48	PTR	vacant.spiderhost.com
208.66.41.96	PTR	vacant.spiderhost.com
208.66.41.98	PTR	vacant.spiderhost.com
208.66.41.98	A	llamaleos.com
208.66.41.99	PTR	vacant.spiderhost.com
208.66.41.99	A	pawsomepets.pet
208.66.41.100	A	thefrohmangroup.com
208.66.41.101	A	geekology.org
208.66.41.101	A	treeswingboutique.com
208.66.41.102	A	twelve16designs.com
208.66.41.110	PTR	vacant.spiderhost.com
208.66.41.142	PTR	vacant.spiderhost.com
208.66.41.147	PTR	vacant.spiderhost.com
208.66.41.167	PTR	vacant.spiderhost.com
208.66.41.227	PTR	vacant.spiderhost.com
208.66.41.249	PTR	vacant.spiderhost.com