Robtex

Up: 72.9.242.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 72.9.242.0/25
Down right: 72.9.242.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.9.242.6	A+PTR	vz19.tektonic.net
72.9.242.7	PTR	mail.study-owner.biz
72.9.242.7	A	matlab-experts.com
72.9.242.7	A	mail.matlab-experts.com
72.9.242.9	A	hsvz13.atl.tektonic.net
72.9.242.23	PTR	sfdadasd-fasd
72.9.242.26	PTR	test123
72.9.242.27	PTR	jogja.serverku.net
72.9.242.32	PTR	server.eschew.net
72.9.242.52	PTR	midvalecity.info
72.9.242.52	A	mail.cheshirecatgrin.net
72.9.242.52	A	mail.shirleycolby.com
72.9.242.53	A	vz17.tektonic.net
72.9.242.54	A+PTR	vz20.tektonic.net
72.9.242.57	A	mail.zambeziinteractive.com
72.9.242.58	PTR	atlanta.swissnex.org
72.9.242.65	PTR	mail.stunnix.com
72.9.242.65	A	*.hvv.pp.ru
72.9.242.65	A	f.hvv.pp.ru
72.9.242.66	PTR	www
72.9.242.67	A	a.ns.spectr.org
72.9.242.68	PTR	e-blue.com
72.9.242.78	PTR	server2.wtfo-guru.net
72.9.242.78	A	ns2.teknofile.net
72.9.242.79	PTR	www.tarponweb.com
72.9.242.79	A	www.flahoops.com
72.9.242.79	A	flahoops.com
72.9.242.80	PTR	catawissa.kippona.com
72.9.242.83	PTR	dfx-us-02.datafx.com.au
72.9.242.84	A+PTR	dfx-us-02.datafx.com.au
72.9.242.84	A	dns2.datafx.com.au
72.9.242.84	A	ns3.pihglobal.net
72.9.242.85	PTR	mossmanresources.com
72.9.242.85	A	mail1.moss10.com
72.9.242.85	A	mail.mossmanresources.com
72.9.242.87	PTR	kluge.org
72.9.242.87	A	foulds.org
72.9.242.88	A	vz18.tektonic.net
72.9.242.89	A+PTR	vz48.tektonic.net
72.9.242.90	PTR	www.grcm.net
72.9.242.90	A	chaletpomme.com
72.9.242.90	A	grcm.net
72.9.242.92	PTR	srv1.clockwork.com.br
72.9.242.93	PTR	srv2.clockwork.com.br
72.9.242.94	PTR	futureisrael.org
72.9.242.96	A	vz47.tektonic.net
72.9.242.102	A	vz35.tektonic.net
72.9.242.109	PTR	hsvz23.atl.tektonic.net
72.9.242.113	PTR	rome.microoffice.us
72.9.242.119	A+PTR	vz26.tektonic.net
72.9.242.120	A+PTR	vz25.tektonic.net
72.9.242.121	A	vz38.tektonic.net
72.9.242.123	A	vz32.tektonic.net
72.9.242.125	PTR	server1.ntjl.net
72.9.242.126	PTR	inuyasha.nonexiste.net
72.9.242.128	PTR	fenrir.nonexiste.net
72.9.242.130	PTR	eevee.pranata.com
72.9.242.144	PTR	r.loopfree.net
72.9.242.145	PTR	sheepish.com
72.9.242.150	A+PTR	vz21.tektonic.net
72.9.242.151	PTR	mail.rajix.com
72.9.242.151	A	fd1e4020.com
72.9.242.155	PTR	jasonfarrell.com
72.9.242.158	PTR	crest.tonix.org
72.9.242.162	PTR	third.postman.org.uk
72.9.242.166	PTR	www.chris-johnson.co.uk
72.9.242.172	PTR	yabazaba.net
72.9.242.176	PTR	srv1.clockwork.com.br
72.9.242.179	PTR	cottage.nie.ca
72.9.242.181	PTR	clusterfist.antitheoretical.org
72.9.242.182	PTR	spaglite.com
72.9.242.183	PTR	theclarkfamily.name
72.9.242.184	PTR	aoi.naked.iki.fi
72.9.242.190	PTR	rey.teh.wild.guy.aka.reyreythemonkey.com
72.9.242.193	PTR	titanium.technicality.org
72.9.242.194	PTR	vu0.parafoil.com
72.9.242.196	PTR	pa.us.kvadratrot.net
72.9.242.199	A	b.ns.barracudasucks.org
72.9.242.201	A+PTR	vz44.tektonic.net
72.9.242.202	A+PTR	masonroad.com
72.9.242.202	A	jackandiris.org
72.9.242.205	A	vz45.tektonic.net
72.9.242.209	PTR	kir.asker.net
72.9.242.210	PTR	us1.sk8joker.com
72.9.242.210	A	vandenwyngaerd.com
72.9.242.214	PTR	server6.jrserver.net
72.9.242.220	A+PTR	pittman.ws
72.9.242.226	A	campaigncamp.ca
72.9.242.228	PTR	shphk.org.hk
72.9.242.229	PTR	dns0.untap.net
72.9.242.230	PTR	crystal.scrabbledabble.com
72.9.242.238	PTR	justwait.co.uk
72.9.242.239	A+PTR	yam.whirpon.com
72.9.242.239	A	ns1.helfinstine.org
72.9.242.239	A	www.whirpon.com
72.9.242.241	PTR	deeperbydesign.com
72.9.242.253	A+PTR	vz34.tektonic.net