Robtex

Up: 66.208.240.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 66.208.240.0/23
Down right: 66.208.242.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.208.240.49	A	philadelphia.cresapartners.com
66.208.240.70	PTR	mail.cbhmail.com
66.208.240.101	A	mail2.johnstonconstruction.com
66.208.240.101	A	mail2.jcc-ri.com
66.208.240.101	A	mail2.hoggproperties.com
66.208.240.103	PTR	66-208-240-103.ubr01a.phnixv01.pa.hfc.comcastbusiness.net
66.208.240.132	PTR	66-208-240-132-cdnt01-coatesville-pa.hfc.comcastbusiness.net
66.208.240.161	A+PTR	cmts-ubr02a-reding01-pa.hfc.comcastbusiness.net
66.208.240.204	PTR	66-208-240-204-cdnt01-ivylnd01-pa.hfc.comcastbusiness.net
66.208.240.215	PTR	66-208-240-215-cdnt01-ivylnd01-pa.hfc.comcastbusiness.net
66.208.240.219	PTR	deckerwright.com
66.208.241.9	PTR	mail.buckleypc.com
66.208.241.9	A+PTR	66-208-241-9-ubr02a-lndsd101-pa.hfc.comcastbusiness.net
66.208.241.25	A+PTR	cmts-ubr02a-lncstr01-pa.hfc.comcastbusiness.net
66.208.241.36	PTR	mail.tsgfinishing.com
66.208.241.70	A	unbelievabillparties.com
66.208.241.77	A	atc01.org
66.208.241.93	A	mail.fee-verte.net
66.208.241.93	A	fee-verte.net
66.208.241.113	PTR	cmts.ubr02b.selrvs01.pa.hfc.comcastbusiness.net
66.208.241.113	A	earthtechag.com
66.208.241.114	PTR	66-208-241-114.ubr02b.selrvs01.pa.hfc.comcastbusiness.net
66.208.241.114	A	earthtecwater.com
66.208.241.114	A	earthtecturf.com
66.208.241.133	PTR	66-208-241-133-cdnt02-lpaxtn01-pa.hfc.comcastbusiness.net
66.208.241.140	PTR	66-208-241-140-cdnt02-lpaxtn01-pa.hfc.comcastbusiness.net
66.208.241.140	A	mail.davishyundai.com
66.208.241.140	A	willispdc.willishonda.com
66.208.241.149	PTR	mail.greasebusterspa.com
66.208.241.179	PTR	mail.st-bernadette.org
66.208.241.179	A+PTR	66-208-241-177-cdnt01-columb01-pa.hfc.comcastbusiness.net
66.208.241.185	A	server.sealstrip.com
66.208.241.185	A	mail.sealstrip.com
66.208.241.213	PTR	66-208-241-213-cdnt04-walngs01-pa-hfc.comcastbusiness.net
66.208.241.213	PTR	mail.saintlaurence.org
66.208.241.213	PTR	mail.st-bernadette.org
66.208.241.226	PTR	mail.internetrader.com
66.208.241.237	PTR	relay1.beyondlogik.com
66.208.241.245	PTR	66-208-241-245.ubr01a.umrion01.pa.hfc.comcastbusiness.net
66.208.242.9	PTR	mail.relapse.com
66.208.242.28	A	66-208-242-28-ubr01a.malvrn01.pa.hfc.comcastbusiness.net
66.208.242.35	PTR	server.tuliplabs.com
66.208.242.62	A	66-208-242-62-ubr02a-plmthm01-pa.hfc.comcastbusiness.net
66.208.242.98	A	66-208-242-98-cdnt01-cnclrk01-pa.hfc.comcastbusiness.net
66.208.242.105	A	*.kolmanlaw.net
66.208.242.105	A	mail.kolmanlaw.net
66.208.242.106	PTR	66-208-242-106-cdnt01-cnclrk01-pa.hfc.comcastbusiness.net
66.208.242.106	A	*.kolmanlaw.net
66.208.242.106	A	mail.kolmanlaw.net
66.208.242.141	A+PTR	66-208-242-141-ubr04a-chrstn01-pa.hfc.comcastbusiness.net
66.208.242.145	A	server2k.chestnuthillpres.org
66.208.242.227	A	mail.telhai.com
66.208.243.2	PTR	66-208-243-2-cdnt02-levtwn01-pa.hfc.comcastbusiness.net
66.208.243.25	PTR	uffner.com
66.208.243.41	A	mail.laverylaw.com
66.208.243.49	PTR	cmts.ubr03a.chrstn01.pa.hfc.comcastbusiness.net
66.208.243.49	A	remote.varitronics.com
66.208.243.101	A	mail.voicepulse.com
66.208.243.137	A	sharatrishon.templebethelnj.org
66.208.243.137	A	templebethelnj.org
66.208.243.138	A	bonehbethel.org
66.208.243.139	PTR	66-208-243-139.ubr01b.umrion01.pa.hfc.comcastbusiness.net
66.208.243.139	A	chamishi.beth-el-atrium.org
66.208.243.145	A+PTR	cmts-ubr02a-reding01-pa.hfc.comcastbusiness.net
66.208.243.145	A	fhawvpn.org
66.208.243.145	A	fhaw.net
66.208.243.146	PTR	66-208-243-146-ubr02a-reding01-pa.hfc.comcastbusiness.net
66.208.243.146	A	mail.fhaw.net
66.208.243.147	PTR	66-208-243-147-ubr02a-reding01-pa.hfc.comcastbusiness.net