Robtex

Up: 72.4.160.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 72.4.160.0/23
Down right: 72.4.162.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.4.160.8	A	mail.vipfortmyersescortservice.com
72.4.160.8	A	mail.bocaratonescortservice.com
72.4.160.8	A	mail.vipbonitaspringsescortservice.com
72.4.160.17	PTR	customers.trader.uk.com
72.4.160.17	A	mail.gamepalace.co.uk
72.4.160.17	A	gamepalace.co.uk
72.4.160.19	A	mail.isleofpalmsluxuryhomes.com
72.4.160.28	PTR	island6.org
72.4.160.34	PTR	trialscentral.com
72.4.160.35	PTR	ns1.pyramus.com
72.4.160.41	PTR	backup.nexstra.com
72.4.160.46	A	mail.promptgems.com
72.4.160.46	A	*.promptgems.com
72.4.160.46	A	*.promptgem.com
72.4.160.49	PTR	fijilive.net
72.4.160.49	A	mail.fijilive.net
72.4.160.49	A	www.fijilive.net
72.4.160.57	PTR	waytogo.net
72.4.160.57	A	mail.ipwg.com
72.4.160.65	A	mail.cocopink.net
72.4.160.67	PTR	hpolatsek.com
72.4.160.75	PTR	slpimages.com
72.4.160.75	A	idealautos.com
72.4.160.75	A	mail.idealautos.com
72.4.160.85	PTR	dedicated.hl-email.com
72.4.160.86	A	jiffylubecoupons.com
72.4.160.86	A	petrafineart.net
72.4.160.86	A	howardcounty.net
72.4.160.91	PTR	bidmybook.com
72.4.160.94	A	tcoenv.com
72.4.160.95	A	dedicated4.acorn-is.com
72.4.160.105	PTR	iciwebhosting.com
72.4.160.140	A	haydenfilms.net
72.4.160.140	A	smtp.haydenfilmsdev.com
72.4.160.140	A	haydenfilmsdev.com
72.4.160.141	A	idpcentral.com
72.4.160.146	PTR	anomalik.com
72.4.160.159	PTR	safti.com
72.4.160.167	PTR	o-d.com
72.4.160.186	PTR	bidninja.com
72.4.160.191	A	mail.jislaaik.com
72.4.160.193	PTR	vufuture.com
72.4.160.198	A	kaliastyle.mobi
72.4.160.198	A	kalia.mobi
72.4.160.198	A	kaliastyle.net
72.4.160.200	PTR	spro.loansearchpro.com
72.4.160.202	PTR	gate.webmagic.com
72.4.160.228	PTR	dedicated.stoinet.com
72.4.160.231	A	mail.specialtysign.com
72.4.160.231	A	mail.specialitysign.com
72.4.160.231	A	mail.specialitysigns.com
72.4.160.243	PTR	dedicated.g9g.net
72.4.160.245	PTR	myamailer.com
72.4.160.252	A	mail.bensrental.com
72.4.160.252	A	unitas.snapshape.com
72.4.160.253	PTR	secure7.shoppingcartserver.com
72.4.160.253	A	mail.model-trains-hobby-shop.com
72.4.160.253	A	model-trains-hobby-shop.com
72.4.161.9	PTR	danceusa.com
72.4.161.11	PTR	www.45music.com
72.4.161.16	PTR	medicine.org
72.4.161.26	A+PTR	galaxy.reichel.net
72.4.161.26	A	reichel.net
72.4.161.28	A	mail.manyo-mall.com
72.4.161.28	A	mail.film-3d-art.com
72.4.161.40	A	dedicated.partyinc.com
72.4.161.40	A	mail.partyinc.com
72.4.161.46	PTR	moxiewebdesign.com
72.4.161.47	PTR	elient.com
72.4.161.69	PTR	stopagingnow.com
72.4.161.71	A	mail.deliveringvision.com
72.4.161.75	PTR	x-a-n-g-o-s-t-e-e-n.com
72.4.161.79	A	mail1.msmedianetwork.com
72.4.161.98	A	mauritius.ca
72.4.161.98	A	beanshots.com
72.4.161.101	PTR	neografika.com
72.4.161.101	A	mail.artoricha.com
72.4.161.104	PTR	announcemymove.com
72.4.161.114	PTR	1st-international.com
72.4.161.114	A	russianbrideclub.com
72.4.161.114	A	datingrussia.com
72.4.161.129	PTR	wpherald.com
72.4.161.133	A	mail.monsterhooligans.com
72.4.161.133	A	monsterhooligans.com
72.4.161.136	A	e3i.ca
72.4.161.136	A	e3i.eu
72.4.161.136	A	esphera3i.ca
72.4.161.142	PTR	dev.finallycontent.com
72.4.161.143	A	www.decal-paper.net
72.4.161.143	A	mixari.com
72.4.161.143	A	decal-paper.net
72.4.161.152	A	dedicated.grafmarc.com
72.4.161.152	A	marchphotoart.com
72.4.161.152	A	mail.grafmarc.com
72.4.161.161	A	ns1.jobingdns.com
72.4.161.161	A	ns3.jobing.com
72.4.161.164	PTR	english.com.tw
72.4.161.165	A	touchmyparts.com
72.4.161.171	PTR	dedicated2.stringfellowgroup.com
72.4.161.171	A	*.stringhost.com
72.4.161.171	A	orgmail.stringhost.com
72.4.161.175	A	mail.ivisionhost.com
72.4.161.175	A	mail.sookyung.com
72.4.161.185	A	mail.ten-tasks.com
72.4.161.235	A	jeremyfishman.com
72.4.161.237	A	web2.instruct-online.com
72.4.161.247	A	nairaking.com
72.4.161.248	A	tasty-kates.com
72.4.161.248	A	mail.tasty-kates.com
72.4.161.249	PTR	jeffersonfreestate.org
72.4.161.249	A	www.seamistwine.com
72.4.161.249	A	smtp.seamistwine.com
72.4.161.254	PTR	indead.com
72.4.162.11	PTR	www.45music.com
72.4.162.26	A	mail.waynedaltonnow.com
72.4.162.42	A	mail.findethics.com
72.4.162.42	A	findethics.com
72.4.162.67	PTR	cash4usafelist.com
72.4.162.69	PTR	herculist.com
72.4.162.69	A	www.herculist.com
72.4.162.71	A	mail.libertylist.com
72.4.162.73	A	grizzsscripts.com
72.4.162.80	PTR	www.orderthird-active.net
72.4.162.80	A	ns2.cash4usafelist.com
72.4.162.80	A	ns2.cash-blaster.com
72.4.162.94	PTR	machine80.orderthird-ssl.net
72.4.162.130	A	mail.stephengoldblatt.com
72.4.162.133	A	ns2.oregonnames.com
72.4.162.147	PTR	mooncyan.com
72.4.163.12	PTR	jurprox-heduled.archyinjured.com
72.4.163.12	A	archyfear.com
72.4.163.88	PTR	eeprevious.net
72.4.163.157	A	hampub.com
72.4.163.224	A	itudeinception.com