Robtex

Up: 64.20.224.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 64.20.232.0/22
Down right: 64.20.236.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
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
64.20.233.8	A+PTR	rt4.rw3.com
64.20.233.10	A	smtp01.rw3.com
64.20.233.11	A	ftp.rw3.com
64.20.233.12	A+PTR	ftp02.rw3.com
64.20.233.24	PTR	prototype.inside.rw3.com
64.20.233.24	A	nextgen-current.rw3.com
64.20.233.24	A	support.rw3.com
64.20.233.26	A	rsp.rw3.com
64.20.233.29	A	rda3.rw3.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
64.20.233.41	A+PTR	rpt.rw3.com
64.20.233.60	A+PTR	ws.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
64.20.234.72	A	ideawatcher.com
64.20.234.72	A	m04.ideawatcher.com
64.20.234.73	A	m04.imageworksideas.com
64.20.234.73	A	imageworksideas.com
64.20.234.75	PTR	net64-20-234-75.static-customer.corenap.com
64.20.234.80	A	wideawakemind.com
64.20.234.80	A	mail.scoresaverforeveryone.com
64.20.234.80	A	scoresaverforeveryone.com
64.20.234.81	A	mail.scoreideasforeveryone.com
64.20.234.82	PTR	net64-20-234-82.static-customer.corenap.com
64.20.234.83	PTR	smartideafactory.com
64.20.234.88	A	cultureadvisors.com
64.20.234.88	A	m05.cultureadvisors.com
64.20.234.90	A	scorestuffforme.com
64.20.234.90	A	mail.scorestuffforme.com
64.20.234.125	A	cather.verilab.com
64.20.234.126	A	austen.verilab.com
64.20.234.136	PTR	net64-20-234-136.static-customer.corenap.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
64.20.234.158	A	labtech.txsg.com
64.20.234.179	A	sc.txsg.com
64.20.234.240	A	schedule.sxswedu.com
64.20.234.241	PTR	net64-20-234-241.static-customer.corenap.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
64.20.234.249	A	social.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
64.20.235.52	A	mail-52.benefits-information.com
64.20.235.55	A	mail-55.benefits-information.com
64.20.235.57	PTR	net64-20-235-57.static-customer.corenap.com
64.20.235.57	A	mail-57.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
64.20.236.18	A+PTR	barracuda.tnexchange.com
64.20.236.22	A	remote.tnexchange.com
64.20.236.23	A	tntemail.net
64.20.236.35	PTR	offsitemail.hartic.com
64.20.236.35	A	mail2.hartic.com
64.20.236.51	PTR	net64-20-236-51.static-customer.corenap.com
64.20.236.51	A	ctxav.com
64.20.236.51	A	dataedgeatx.com
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
64.20.239.40	PTR	mail.progressingmail11.com
64.20.239.111	A	www.adrevolution.com
64.20.239.111	A	adrevolution.com