Robtex

Up: 72.21.80.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 72.21.81.0/25
Down right: 72.21.81.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.21.81.5	A	13.us.css.pixnet.in
72.21.81.5	A	wpc.19a1d.taucdn.net
72.21.81.5	A	14.us.css.pixnet.in
72.21.81.12	A	ccagranbury.com
72.21.81.13	A	alphacdn.comedgecastcdn.net.gdlcdn.com
72.21.81.13	A	content.mahalo.com
72.21.81.13	A	cdn.news-gazette.com
72.21.81.18	A	www.arla.com
72.21.81.18	A	cs385.wpc.teliasoneracdn.net
72.21.81.20	A	cs386.wpc.teliasoneracdn.net
72.21.81.20	A	www.arlafoods.de
72.21.81.23	A	r1-c.5e334.taucdn.net
72.21.81.23	A	www.triumph.com
72.21.81.26	A	assets.vidyard.com
72.21.81.26	A	assets-wt.vidyard.com
72.21.81.26	A	cs6.wpc.omegacdn.net
72.21.81.27	A	verizon-cedexis.operacdn.com
72.21.81.27	A	dl11.innopath.com
72.21.81.27	A	cs7.wpc.edgecastcdn.net
72.21.81.31	A	cs11.wpc.lambdacdn.net
72.21.81.33	A	cs13.wpc.zetacdn.net
72.21.81.33	A	cs13.wpc.edgecastcdn.net
72.21.81.35	A	cs15.wpc.systemcdn.net
72.21.81.35	A	cs15.wpc.edgecastcdn.net
72.21.81.36	A	images.pleaserusa.com
72.21.81.36	A	www2.slybaldguys.com
72.21.81.36	A	cs16.wpc.edgecastcdn.net
72.21.81.38	A	cs18.wpc.kappacdn.net
72.21.81.38	A	cs18.wpc.edgecastcdn.net
72.21.81.40	A	fc07.deviantart.net
72.21.81.40	A	cs20.wpc.edgecastcdn.net
72.21.81.40	A	fc04.deviantart.net
72.21.81.41	A	live.23video.com
72.21.81.41	A	arkiv.radio24syv.dk
72.21.81.41	A	11513373.sites.visualplatform.net
72.21.81.42	A	cs22.wpc.edgecastcdn.net
72.21.81.42	A	static-www.ecs.popcap.com
72.21.81.42	A	ecl.labs.popcap.com
72.21.81.44	A	cs1108.wpc.nucdn.net
72.21.81.46	A	cs26.wpc.edgecastcdn.net
72.21.81.48	A	cs28.wpc.edgecastcdn.net
72.21.81.48	A	cs28.wpc.thetacdn.net
72.21.81.48	A	ltvimg.com
72.21.81.50	A	cs870.wpc.etacdn.net
72.21.81.54	A	www.teliauk.net
72.21.81.55	A	sa57gl.wpc.upsiloncdn.net
72.21.81.55	A	cs35.wpc.edgecastcdn.net
72.21.81.56	A	16.ie.pic.pimg.tw
72.21.81.56	A	16.br.pic.pimg.tw
72.21.81.56	A	us.s.pimg.tw
72.21.81.57	A	static.socialvi.be
72.21.81.57	A	media.socialvi.be
72.21.81.57	A	tp.socialvi.be
72.21.81.59	A	infosec.gov.hk
72.21.81.59	A	policyaddress.gov.hk
72.21.81.59	A	govcert.hk
72.21.81.61	A	sa58gl.wpc.mucdn.net
72.21.81.62	A	cs42.wpc.edgecastcdn.net
72.21.81.62	A	cs850.wpc.edgecastcdn.net
72.21.81.63	A	gdlcdn.com
72.21.81.63	A	mail.braziltur360.com
72.21.81.64	A	cs43.wpc.kappacdn.net
72.21.81.64	A	cs43.wpc.edgecastcdn.net
72.21.81.64	A	ad-audit.tmogul.com
72.21.81.73	A	cs52.wpc.edgecastcdn.net
72.21.81.76	A	update.sonymobile.com
72.21.81.76	A	cs54.wpc.edgecastcdn.net
72.21.81.77	A	ec-media.sndcdn.com
72.21.81.77	A	cs55.wpc.edgecastcdn.net
72.21.81.78	A	sa405gl.wpc.epsiloncdn.net
72.21.81.79	A	cs57.wpc.edgecastcdn.net
72.21.81.79	A	panel.pixfs.net
72.21.81.82	A	cs60.wpc.edgecastcdn.net
72.21.81.82	A	www.myspaceanalytics.com
72.21.81.82	A	cs60.wpc.omicroncdn.net
72.21.81.83	A	cayetano.ppstatic.com
72.21.81.85	A	mail.balkanmp3.ba
72.21.81.85	A	*.bolchat.com
72.21.81.85	A	irc2.bolchat.com
72.21.81.87	A	cdn.tri-digital.com
72.21.81.88	A	sa406gl.wpc.omicroncdn.net
72.21.81.89	A	cs68.wpc.edgecastcdn.net
72.21.81.90	A	cs69.wpc.edgecastcdn.net
72.21.81.90	A	tracks.cdn.247e.com
72.21.81.95	A	cs74.wpc.edgecastcdn.net
72.21.81.96	A	cdn.intellisurvey.com
72.21.81.96	A	images.etrailer.com
72.21.81.96	A	edc.poolsupplyworld.com
72.21.81.98	A	l.macys.com
72.21.81.98	A	locations.bloomingdales.com.yext-cdn.com
72.21.81.98	A	l.macys.com.yext-cdn.com
72.21.81.99	A	cs1099.wpc.lambdacdn.net
72.21.81.103	A	media.movideo.com
72.21.81.105	A	sa105gl.wpc.alphacdn.net
72.21.81.106	A	cs86.wpc.edgecastcdn.net
72.21.81.108	A	cs88.wpc.edgecastcdn.net
72.21.81.108	A	appspot.com--www.mmzsake.com
72.21.81.109	A	bdd7.https.cdn.softlayer.net
72.21.81.109	A	df6a.https.cdn.softlayer.net
72.21.81.109	A	e252.https.cdn.softlayer.net
72.21.81.112	A	swf.mixpo.com
72.21.81.112	A	cs92.wpc.edgecastcdn.net
72.21.81.114	A	www.wdcdn.net
72.21.81.114	A	*.wdcdn.net
72.21.81.116	A	sa106gl.wpc.zetacdn.net
72.21.81.117	A	cs1102.wpc.rncdn4.com
72.21.81.118	A	cs98.wpc.edgecastcdn.net
72.21.81.121	A	littleflockschool.org
72.21.81.121	A	austininternationalschool.org
72.21.81.121	A	uptonlake.com
72.21.81.123	A	ec.snagfilms.com
72.21.81.125	A	arablounge.me
72.21.81.125	A	iranmehr.worldsingles.com
72.21.81.125	A	www.lovingbbw.com
72.21.81.128	A	dl8.iq8download.com
72.21.81.131	A	www.pokepark2.com
72.21.81.131	A	crismanigroup.com
72.21.81.131	A	lgcdn.glassesusa.com
72.21.81.132	PTR	ne.edgecastcdn.net
72.21.81.133	A	appspot.com--vargus.jnterui.com
72.21.81.133	A	alcaldiadedallas.org
72.21.81.133	A	adobewwfotraining.com
72.21.81.134	PTR	edgecastflash.net
72.21.81.138	A	cs113.wpc.sigmacdn.net
72.21.81.138	A	www.nextgov.com
72.21.81.139	A	cs1103.wpc.rncdn4.com
72.21.81.142	A	cmhof-vfs.cdn-ec.viddler.com
72.21.81.142	A	thumbs.cdn-ec.viddler.com
72.21.81.142	A	codeschool-vfs.cdn-ec.viddler.com
72.21.81.143	A	www.wonderingsound.com
72.21.81.143	A	cs118.wpc.edgecastcdn.net
72.21.81.143	A	wonderingsound.com
72.21.81.144	A	sa107gl.wpc.iotacdn.net
72.21.81.145	A	*.a.ec.viddler.com
72.21.81.145	A	src.a.ec.viddler.com
72.21.81.145	A	*.ec.viddler.com
72.21.81.147	A	volkswagon.com
72.21.81.147	A	www.volkswagenbug.com
72.21.81.147	A	mainvw.akcelia.net
72.21.81.148	A	livela.sambatech.com.br
72.21.81.148	A	cs123.wpc.edgecastcdn.net
72.21.81.149	A	cache.img.gmo.jp
72.21.81.150	A	cs125.wpc.chicdn.net
72.21.81.150	A	secure.massmotionmedia.com
72.21.81.152	A	cs127.wpc.edgecastcdn.net
72.21.81.156	A	sa104gl.wpc.systemcdn.net
72.21.81.157	A	cs132.wpc.edgecastcdn.net
72.21.81.158	A	sa108gl.wpc.thetacdn.net
72.21.81.159	A	sa385gl.wpc.alphacdn.net
72.21.81.163	A	cs392.wpc.chicdn.net
72.21.81.164	A	hls.brkmd.com
72.21.81.167	A	cs141.wpc.edgecastcdn.net
72.21.81.168	A	e3.boxcdn.net
72.21.81.168	A	cdn.lesliespool.com
72.21.81.168	A	mecu.com
72.21.81.169	A	*.ff0000-cdn.net
72.21.81.169	A	netflix.ff0000-cdn.net
72.21.81.169	A	espn.ff0000-cdn.net
72.21.81.172	A	ba.sahcdn.com
72.21.81.172	A	images.sahcdn.com
72.21.81.172	A	cs145.wpc.edgecastcdn.net
72.21.81.175	A	sa409gl.wpc.psicdn.net
72.21.81.176	A	cs149.wpc.edgecastcdn.net
72.21.81.176	A	www.unionplus.org
72.21.81.178	A	cimg.iwin.com
72.21.81.181	A	cs154.wpc.deltacdn.net
72.21.81.183	A	www.halebop.com
72.21.81.183	A	www.messismore.se
72.21.81.183	A	cs155.wpc.edgecastcdn.net
72.21.81.184	A	static.truex.com
72.21.81.186	A	ct.potora.jp
72.21.81.187	A	cdn.kuracloud.com
72.21.81.188	A	cs160.wpc.edgecastcdn.net
72.21.81.189	A	s2.gp1.wpc.alphacdn.net
72.21.81.189	A	s2.gs1.wpc.alphacdn.net
72.21.81.189	A	ianadata.vip.icann.org
72.21.81.199	A	gp.lvs.wpc.v1cdn.net
72.21.81.200	A	mscom-wui-any.vo.msecnd.net
72.21.81.200	A	weerplaza-maps.ec.azureedge.net
72.21.81.200	A	az480170.vo.msecnd.net
72.21.81.207	A	cs398.wpc.lambdacdn.net
72.21.81.208	A	cs1112.wpc.rhocdn.net
72.21.81.209	A	global-download-akamai.gtm.gateway.com
72.21.81.214	A	cs416.wpc.etacdn.net
72.21.81.219	A	cs420.wpc.xicdn.net
72.21.81.221	A	cs227.wpc.edgecastcdn.net
72.21.81.221	A	jjb.myhdnl.co.uk
72.21.81.223	A	cs229.wpc.psicdn.net
72.21.81.224	A	sa389gl.wpc.omicroncdn.net
72.21.81.237	A	cs428.wpc.edgecastcdn.net
72.21.81.238	A	r1-c.5e334.taucdn.net
72.21.81.239	A	r1-c.5e334.taucdn.net
72.21.81.239	A	5e334.e.ecdns.net
72.21.81.239	A	cs430.wpc.thetacdn.net
72.21.81.240	A	r1-c.5e334.taucdn.net
72.21.81.240	A	5e334.e.ecdns.net
72.21.81.240	A	cs614.wpc.edgecastcdn.net
72.21.81.241	A	r1-c.5e334.taucdn.net
72.21.81.241	A	5e334.e.ecdns.net
72.21.81.241	A	r1-5e334.e.ecdns.net
72.21.81.242	A	r1-c.5e334.taucdn.net
72.21.81.242	A	5e334.e.ecdns.net
72.21.81.242	A	r1-bb26.e.ecdns.net
72.21.81.243	A	5e334.e.ecdns.net
72.21.81.244	A	sa411gl.wpc.edgecastcdn.net
72.21.81.246	A	wpc.e401.systemcdn.net
72.21.81.246	A	wpc.e3fe.webaircdn.com
72.21.81.246	A	wpc.0e9f.edgecastcdn.net
72.21.81.253	A	lgcdn.glassesusa.com
72.21.81.253	A	vf2.visitflorida.com
72.21.81.253	A	70d6.http.cdn.softlayer.net
72.21.81.254	A	cs99.wpc.alphacdn.net
72.21.81.254	A	cs623.wpc.alphacdn.net
72.21.81.254	A	cs622.wpc.edgecastcdn.net