Robtex

Up: 66.240.176.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 66.240.177.0/25
Down right: 66.240.177.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.240.177.12	PTR	sexwebnet.net
66.240.177.16	PTR	astramall.com
66.240.177.32	PTR	proxylinkusa.com
66.240.177.39	PTR	lab71.org
66.240.177.44	PTR	sexescorts.org
66.240.177.45	PTR	japanslut.net
66.240.177.56	PTR	jpgraphic.com
66.240.177.57	PTR	erojapan.com
66.240.177.58	PTR	clubdk.com
66.240.177.59	PTR	sempresesso.com
66.240.177.61	PTR	20a.com
66.240.177.63	PTR	p-com.net
66.240.177.70	PTR	sessosessosesso.net
66.240.177.90	PTR	flash-works.net
66.240.177.96	PTR	analsexphotos.net
66.240.177.98	PTR	analwomen.net
66.240.177.101	PTR	nothing.org
66.240.177.104	PTR	ass-fuckers.net
66.240.177.105	PTR	assfuckers.net
66.240.177.114	PTR	buttfuckingpictures.com
66.240.177.116	PTR	gayever.com
66.240.177.121	PTR	sf-3.com
66.240.177.126	PTR	cumsuckingwomen.com
66.240.177.131	PTR	libriproibiti.com
66.240.177.144	PTR	cumslurpingwomen.com
66.240.177.148	PTR	qontrol-vision.com
66.240.177.148	A	mail.qontrolvision.com
66.240.177.148	A	mx.qontrol-vision.com
66.240.177.155	PTR	lingerlonger.com
66.240.177.156	PTR	hottiehompages.com
66.240.177.161	A+PTR	www36.mediaserve.net
66.240.177.163	PTR	familytaboo.com
66.240.177.165	PTR	erotower.com
66.240.177.167	PTR	tightlinedrywall.com
66.240.177.167	A	wallstreetgroup.com
66.240.177.167	A	rohesia.com
66.240.177.168	PTR	teen20.com
66.240.177.169	PTR	silkyplay.com
66.240.177.171	A+PTR	www.shalomlife.com
66.240.177.171	A	ca.shalomlife.com
66.240.177.171	A	shalomlife.com
66.240.177.172	PTR	66-240-177-172.momentum.com
66.240.177.172	A	commuto.com
66.240.177.172	A	www.commuto.com
66.240.177.176	PTR	66-240-177-176.momentum.com
66.240.177.176	A	ns2.host4hope.com
66.240.177.176	A	getyourmessageacross.ca
66.240.177.179	PTR	66-240-177-179.momentum.com
66.240.177.179	A	michellepik.com
66.240.177.199	PTR	sexworldguide.com
66.240.177.200	PTR	cutelittlegirls.com
66.240.177.212	A	kostell.com
66.240.177.222	PTR	lynncarroll.com
66.240.177.233	A+PTR	www49.mediaserve.net
66.240.177.236	PTR	porno-vision.net
66.240.177.243	PTR	fsm.cc
66.240.177.249	PTR	adult-sex-free.com
66.240.177.250	PTR	adult-sesso-gratis.com