Robtex

Up: 64.20.192.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 64.20.224.0/20
Down right: 64.20.240.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.20.224.7	A	dal-vhs-01.corenap.com
64.20.224.9	A	dal-ipkvm-01.corenap.com
64.20.224.18	A	ns10.corenap.com
64.20.225.0	PTR	net-64-20-225-0.static-customer.corenap.com
64.20.225.2	A+PTR	test.bybaxter.com
64.20.225.98	A+PTR	bps-98.bybaxter.com
64.20.225.99	A	bps-99.bybaxter.com
64.20.225.101	A	bps-101.bybaxter.com
64.20.225.103	A	bps-103.bybaxter.com
64.20.225.128	A	lucent.bybaxter.com
64.20.225.129	A	siteplanning.bybaxter.com
64.20.225.131	A	data.bybaxter.com
64.20.225.135	A	neptune.bybaxter.com
64.20.226.18	A	ns3.factech.com
64.20.226.19	A	mx1.factech.com
64.20.226.20	A	mx2.factech.com
64.20.226.36	A	git.factech.com
64.20.226.76	A	sitefm2.com
64.20.226.92	A	w3cdt002.sitefm.com
64.20.226.171	A	360internal.com
64.20.226.173	A	mail.360internal.com
64.20.226.175	A	mail.360stage.net
64.20.226.180	A	360stage.net
64.20.226.195	A	training7.tk20.com
64.20.226.202	A	training1.tk20.com
64.20.227.18	A	*.thewho.net
64.20.227.37	A	servernotifications.com
64.20.227.42	A	fttavl.com
64.20.227.52	A	mail.foojutsu.org
64.20.227.52	A	gregoryfoster.name
64.20.227.78	A	mail.snhtechnology.com
64.20.227.105	A	*.rbsystems.com
64.20.227.105	A	www.abisoftware.com
64.20.227.105	A	abisoftware.com
64.20.227.128	PTR	mxtb-subnet64.mxtoolbox.com
64.20.227.131	A+PTR	keeper3.mxtoolbox.com
64.20.227.131	A	etoolsgroup.com
64.20.227.131	A	mx1.mx-s.com
64.20.227.132	A	em.mxtoolbox.com
64.20.228.1	PTR	sandbox.tk20.com
64.20.228.1	A	corban.tk20.com
64.20.228.6	A	eportfolio.txstate.edu
64.20.228.12	A	unm.tk20.com
64.20.228.21	A	usm.tk20.com
64.20.228.80	A	net64.20.228.80.static-customer.corenap.com
64.20.228.88	A	net64.20.228.88.static-customer.corenap.com
64.20.228.117	A	maxpoint.eu
64.20.228.117	A	maxpointexpress.org
64.20.228.117	A	maxpointexpress.net
64.20.228.122	A	mx.maxpointinteractive.com
64.20.229.1	A+PTR	out-1.veganingredients.com
64.20.229.1	A	ns2.veganingredients.com
64.20.229.1	A	ns1.veganingredients.com
64.20.229.2	PTR	out-2.veganingredients.com
64.20.229.3	PTR	out-3.veganingredients.com
64.20.229.100	A	ns1.jetxp.com
64.20.229.101	A	mx.jetxp.com
64.20.229.145	A	allsipdial.net
64.20.229.225	PTR	64.20.229-225.static-customer.corenap.com
64.20.231.13	A	mail.scoreitforeveryone.com
64.20.231.17	A	m04.blazingideas.com
64.20.231.18	A	m04.sportshistorykids.com
64.20.231.18	A	mail.scoreitforme.com
64.20.231.33	PTR	net64-20-231-33.static-customer.corenap.com
64.20.231.33	A	schoolchoiceworks.net
64.20.231.33	A	zachbrady.com
64.20.231.115	A	sm2.gopsenators.com
64.20.231.115	A	gopsenators.org
64.20.231.115	A	sm1.gopsenators.com
64.20.233.5	A+PTR	equalizer01.rw3.com
64.20.233.5	A	ns1.becker-ins.com
64.20.233.6	A	equalizer02.rw3.com
64.20.233.7	PTR	ns1.rw3.com
64.20.233.7	A	ns2.xnitech.com
64.20.233.32	A+PTR	pbf.rw3.com
64.20.233.32	A	cagroc.rw3.com
64.20.233.33	A+PTR	as2.rw3.com
64.20.233.34	A+PTR	as2-qa.rw3.com
64.20.233.76	A	nagios.rw3.com
64.20.233.105	A+PTR	sms.rw3.com
64.20.233.160	A+PTR	sftp.rw3.com
64.20.233.231	PTR	cr114.com
64.20.233.231	A	stpaulserbin.org
64.20.233.231	A	becker-ins.com
64.20.233.232	A+PTR	xnitech.com
64.20.234.30	A	mail.dandsltd.com
64.20.234.69	A	m04.ideastocrank.com
64.20.234.70	A	mail.scoreitforthem.com
64.20.234.70	A	m04.fuelyourideas.com
64.20.234.71	A	m04.ideastoponder.com
64.20.234.125	A	cather.verilab.com
64.20.234.126	A	austen.verilab.com
64.20.234.136	A	sp.wwebber.com
64.20.234.143	A	mail.greentreehealth.com
64.20.234.157	A	mail.ladotek.com
64.20.234.157	A	mail.txsysgrp.com
64.20.234.179	A	sc.txsg.com
64.20.234.240	A	schedule.sxswedu.com
64.20.234.241	A	schedule.sxsw.com
64.20.234.242	A	event-svc-pvt.sxsw.com
64.20.234.245	A	cart.sxsw.com
64.20.235.33	PTR	net64-20-235-33.static-customer.corenap.com
64.20.235.33	A	ns2.benefits-information.com
64.20.235.33	A	click.benefits-information.com
64.20.236.5	A	mail.tntechnologies.net
64.20.236.5	A	ns1.tntechnologies.net
64.20.236.5	A	mail.mortgagefinancer.com
64.20.236.35	PTR	offsitemail.hartic.com
64.20.236.35	A	mail2.hartic.com
64.20.236.51	A	ctxav.com
64.20.236.51	A	dataedgeatx.com
64.20.236.51	A	www.mexic-arte.org
64.20.236.225	PTR	net64-20-236-225.static-customer.corenap.com
64.20.236.225	A	mail.a2technology.com
64.20.237.230	A	bigdog.rw3.com
64.20.238.15	A	apertureinsight.com
64.20.239.111	A	www.adrevolution.com
64.20.239.111	A	adrevolution.com
64.20.241.5	A	pondspringsroad.org
64.20.241.5	A	wilco-dev.com
64.20.241.5	A	wilcoqr.org
64.20.241.36	A	64-20-241-36-austin.messageone.com
64.20.241.36	A	agave.com
64.20.241.36	A	www.agave.com
64.20.241.40	A	ptoll.net
64.20.241.94	A	www.codecafe.com
64.20.241.94	A	codecafe.org
64.20.241.94	A	philaulie.org
64.20.241.105	PTR	mail1.brockgroup.com
64.20.241.130	A	eqiss.com
64.20.241.130	A	www.eqiss.com
64.20.241.137	PTR	net64-20-241-137.static-customer.corenap.com
64.20.241.137	A	claimpilot.com
64.20.241.147	PTR	mav-computers.com
64.20.241.154	A	jumpwarepos.com
64.20.241.168	A	autositeinc.com
64.20.241.168	A	prokinetic.net
64.20.241.168	A	assignclaims.com
64.20.241.180	A	assignclaims.com
64.20.241.203	A	gtraxx.com
64.20.241.229	A	rastrac.org
64.20.243.22	A	sc9mail01.siterra.com
64.20.243.23	A	sc9mail02.siterra.com
64.20.243.128	PTR	net64-20-243-128.static-customer.corenap.com
64.20.243.141	A	smtp.mxptintelligence.com
64.20.243.171	A	optout.mxptint.net
64.20.243.195	PTR	net64-20-243-195.static-customer.corenap.com
64.20.243.224	A	maxpointexpress.com
64.20.243.236	A	cxp.mxptint.net
64.20.243.237	A	exp.mxptint.net
64.20.243.242	A	rbp.mxptint.net
64.20.245.12	PTR	net64-20-245-12.static-customer.corenap.com
64.20.246.52	A	1freece.com
64.20.246.52	A	www.1freece.com
64.20.246.53	A	firstamericance.com
64.20.246.54	A	www.commercialinstitute.com
64.20.246.121	A	ns2.graceprayer.org
64.20.246.121	A	ns1.graceprayer.org
64.20.246.121	A	out-1.graceprayer.org
64.20.246.122	A	out-2.graceprayer.org
64.20.247.5	A	storm33.login.skylist.net
64.20.247.5	A	ns1.driftwooddns.net
64.20.247.6	A	ns2.driftwooddns.net
64.20.247.8	A	mail1.newsletter.hbo.com
64.20.247.33	PTR	mail2.pcpowerscan-mail.com
64.20.247.33	A	pga.preprod.net
64.20.247.35	PTR	mail4.pcpowerscan-mail.com
64.20.247.35	A	hbo2.preprod.net
64.20.247.36	A	hbo.preprod.net
64.20.247.37	A	cnn.preprod.net
64.20.247.64	A+PTR	mail3.access.cnn.com
64.20.247.65	A+PTR	mail4.access.cnn.com
64.20.247.66	A+PTR	mail5.access.cnn.com
64.20.247.69	A	mail2.access.cnn.com
64.20.247.161	PTR	mail4.access.nascar.com
64.20.247.161	A	mail1.access.nascar.com
64.20.247.161	A	*.access.nascar.com
64.20.247.208	A	webmail.newsletter2.hbo.com
64.20.247.208	A	www.newsletter2.hbo.com
64.20.247.208	A	mail.newsletter2.hbo.com
64.20.247.224	A+PTR	mail3.golf.pga.com
64.20.247.225	A+PTR	mail4.golf.pga.com
64.20.247.226	PTR	mail5.golf.pga.com
64.20.247.226	A	mail.golf.pga.com
64.20.247.226	A	mail1.golf.pga.com
64.20.248.66	PTR	net64.20.248.66.static-customer.corenap.com
64.20.248.194	PTR	net64.20.248.194.static-customer.corenap.com
64.20.249.27	A	mail4.news.university.com
64.20.249.28	A	mail1.news.schoolsource.org
64.20.249.38	A	mail11.news.schoolsource.org
64.20.249.39	A	mail12.news.schoolsource.org
64.20.250.15	A	fanclub.tompetty.com
64.20.250.24	A	interconnectsurveys.com
64.20.250.32	PTR	davidbowie.com
64.20.250.36	PTR	rockexp.com
64.20.250.40	A	tompetty.com
64.20.250.56	A	dashboard.livenation.com
64.20.250.59	A	tmfanconnect.com
64.20.252.7	A	ns1.utilizedhosting.com
64.20.252.8	A	ns2.utilizedhosting.com
64.20.252.16	A	ns1.gymticketnews.com
64.20.252.24	A	mail6.gymticketnews.com
64.20.252.48	A	ns1.offer-from-thirdage.com
64.20.252.51	A	mail1.offer-from-thirdage.com
64.20.252.56	A	mail6.offer-from-thirdage.com
64.20.252.63	A	mail13.offer-from-thirdage.com
64.20.252.128	A	mail1.lycosoffer1.com
64.20.252.129	A	mail2.lycosoffer1.com
64.20.252.130	A	mail3.lycosoffer1.com
64.20.252.131	A+PTR	mail4.lycosoffer1.com
64.20.252.162	PTR	click1.mail-lycosinfo.com
64.20.252.162	A	ns1.mail-lycosinfo.com
64.20.252.162	A	ns2.mail-lycosinfo.com
64.20.252.163	PTR	mail1.mail-lycosinfo.com
64.20.252.193	PTR	ns2.wbmail1.columbiahouse.com
64.20.252.237	A	mail5.mail.makemytrip.com
64.20.253.2	PTR	net64.20.253.2.static-customer.corenap.com
64.20.253.8	A	ns1.todaysnewstuffforyou.com
64.20.253.9	A	ns2.todaysnewstuffforyou.com
64.20.253.10	A	click1.todaysnewstuffforyou.com
64.20.253.10	A	todaysnewstuffforyou.com
64.20.253.67	A	mail1.livestrongmail.com
64.20.253.68	A	mail2.livestrongmail.com
64.20.253.69	A	mail3.livestrongmail.com
64.20.253.70	A	mail4.livestrongmail.com
64.20.253.104	A	mail7.insidernewsletters.com
64.20.253.105	A	mail8.insidernewsletters.com
64.20.253.108	A	mail11.insidernewsletters.com
64.20.253.179	A	mail2.insidernewsletters.net
64.20.253.184	A	mail7.insidernewsletters.net
64.20.253.185	A	mail8.insidernewsletters.net
64.20.253.188	A	mail11.insidernewsletters.net
64.20.253.195	PTR	net64.20.253.195.static-customer.corenap.com
64.20.253.195	A	dj.govgrantnews.com
64.20.253.201	A	mail5.govgrantnews.com
64.20.253.202	A	mail6.govgrantnews.com
64.20.253.203	A	mail7.govgrantnews.com
64.20.253.224	PTR	net64.20.253.224.static-customer.corenap.com
64.20.253.224	A	ns1.govgrantalerts.com
64.20.253.230	A	mail4.govgrantalerts.com
64.20.253.232	A	mail6.govgrantalerts.com
64.20.253.250	A	mail4.govgrantnetwork.com
64.20.254.240	A	ns1.recipe4living-specialoffers.com
64.20.254.241	A	ns2.recipe4living-specialoffers.com
64.20.254.242	A	*.recipe4living-specialoffers.com
64.20.254.242	A	hostmaster.recipe4living-specialoffers.com
64.20.255.16	A+PTR	mail6.todaysnewstuffforyou.com
64.20.255.17	A+PTR	mail7.todaysnewstuffforyou.com
64.20.255.18	A+PTR	mail8.todaysnewstuffforyou.com
64.20.255.19	A	mail9.todaysnewstuffforyou.com
64.20.255.104	A	education-inform.com
64.20.255.105	A	mail1.education-inform.com
64.20.255.106	A	mail2.education-inform.com
64.20.255.107	A	mail3.education-inform.com
64.20.255.128	A	ns1.fromzoombli.com
64.20.255.134	A	mail4.fromzoombli.com
64.20.255.136	A+PTR	click1.dating-inform.com
64.20.255.136	A	dating-inform.com
64.20.255.137	PTR	mail1.dating-inform.com
64.20.255.138	PTR	mail2.dating-inform.com
64.20.255.192	A+PTR	ns1.ohthatsfunnynow.com
64.20.255.193	A+PTR	ns2.ohthatsfunnynow.com
64.20.255.194	PTR	click1.ohthatsfunnynow.com
64.20.255.194	A	*.ohthatsfunnynow.com
64.20.255.194	A	hostmaster.ohthatsfunnynow.com
64.20.255.195	PTR	mail1.ohthatsfunnynow.com
64.20.255.224	A+PTR	click1.telecommunication-info.com
64.20.255.224	A	telecommunication-info.com
64.20.255.225	A	mail1.telecommunication-info.com
64.20.255.226	A	mail2.telecommunication-info.com