Robtex

Up: 81.0.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 81.0.240.0/22
Down right: 81.0.244.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.0.240.0	PTR	net-81.0.240-000.casablanca.cz
81.0.240.1	PTR	assigned-81.0.240-001.casablanca.cz
81.0.240.2	PTR	assigned-81.0.240-002.casablanca.cz
81.0.240.3	PTR	assigned-81.0.240-003.casablanca.cz
81.0.240.8	PTR	assigned-81.0.240-008.casablanca.cz
81.0.240.9	PTR	assigned-81.0.240-009.casablanca.cz
81.0.240.10	PTR	assigned-81.0.240-010.casablanca.cz
81.0.240.11	PTR	assigned-81.0.240-011.casablanca.cz
81.0.240.16	PTR	assigned-81.0.240-016.casablanca.cz
81.0.240.17	PTR	assigned-81.0.240-017.casablanca.cz
81.0.240.17	A	skupinametrostav.cz
81.0.240.17	A	blueevents.cz
81.0.240.18	PTR	assigned-81.0.240-018.casablanca.cz
81.0.240.19	PTR	assigned-81.0.240-019.casablanca.cz
81.0.240.47	A	ns2.28labs.com
81.0.240.48	A+PTR	mx1.blueberry.cz
81.0.240.48	A	mx.blueberry.cz
81.0.240.49	PTR	assigned-81.0.240-049.casablanca.cz
81.0.240.49	A	bio-argan-oil.com
81.0.240.49	A	hardsetshop.com
81.0.240.50	PTR	assigned-81.0.240-050.casablanca.cz
81.0.240.51	PTR	assigned-81.0.240-051.casablanca.cz
81.0.240.58	PTR	assigned-81.0.240-058.casablanca.cz
81.0.240.58	A	okspecials.com
81.0.240.58	A	okhotels.cz
81.0.240.64	PTR	assigned-81.0.240-064.casablanca.cz
81.0.240.64	A	zologicka.cz
81.0.240.64	A	www.zologicka.cz
81.0.240.65	A	www.blueberryapps.com
81.0.240.69	A	billapp.cz
81.0.240.74	PTR	assigned-81.0.240-074.casablanca.cz
81.0.240.74	A	fakturaonline.sk
81.0.240.81	PTR	assigned-81.0.240-081.casablanca.cz
81.0.240.81	A	blueberrycms.cz
81.0.240.83	A+PTR	ruby1.blueberry.cz
81.0.240.83	A	podacilistek.cz
81.0.240.84	A	salvator.cz
81.0.240.88	A+PTR	outletexpert.cz
81.0.240.88	A	outlet-expert.ro
81.0.240.88	A	www.outletexpert.hu
81.0.240.90	PTR	assigned-81.0.240-090.casablanca.cz
81.0.240.90	A	outlet-expert.ro
81.0.240.90	A	outletexpert.cz
81.0.240.91	PTR	mail01.aitom.cz
81.0.240.99	PTR	assigned-81.0.240-099.casablanca.cz
81.0.240.99	A	coldwellbanker.cz
81.0.240.101	A	hornettlon.cz
81.0.240.101	A	futurocube.com
81.0.240.101	A	www.lode-plavby.cz
81.0.240.104	A	server.albumpro.cz
81.0.240.104	A	albumpro.cz
81.0.240.104	A	*.albumpro.cz
81.0.240.106	PTR	assigned-81.0.240-106.casablanca.cz
81.0.240.112	A	mail10.goparking.cz
81.0.240.113	PTR	assigned-81.0.240-113.casablanca.cz
81.0.240.115	PTR	mailer.outletexpert.cz
81.0.240.115	A	www.zpetny-leasing.com
81.0.240.115	A	www.novaleasing.cz
81.0.240.129	A+PTR	vip.intumex.info
81.0.240.129	A	eshop-online.eu
81.0.240.129	A	rekonstrukce-staveb.cz
81.0.240.130	PTR	plzen.drosera.cz
81.0.240.130	A	zdrave-bydleni.cz
81.0.240.131	PTR	zubr.drosera.cz
81.0.240.136	A+PTR	krusovice.drosera.cz
81.0.240.136	A	mail.vetkom.cz
81.0.240.136	A	mail.drosera.cz
81.0.240.149	A	www.sporteon.com.ua
81.0.240.149	A	sporteon.com.ua
81.0.240.160	PTR	net-81.0.240-160.casablanca.cz
81.0.240.164	A	downloadino.cz
81.0.240.164	A	mail.downloadino.cz
81.0.240.166	A	letohradska.cz
81.0.240.166	A	helimee.com
81.0.240.173	A	probox.cz
81.0.240.173	A	005.kodli.com
81.0.240.173	A	102.kodli.com.healthmatters.cz
81.0.240.184	PTR	assigned-81.0.240-184.casablanca.cz
81.0.240.184	A	003.kodli.com
81.0.240.184	A	www.truckshowluznice.cz
81.0.240.186	PTR	assigned-81.0.240-186.casablanca.cz
81.0.240.186	A	102.kodli.com
81.0.240.188	A	probox.cz
81.0.240.188	A	kodli.com
81.0.240.192	PTR	net-81.0.240-192.casablanca.cz
81.0.240.202	A	guest-002.savana.cz
81.0.240.203	A+PTR	guest-003.savana.cz
81.0.240.204	A	spih.cz
81.0.240.204	A	guest-004.savana.cz
81.0.240.208	A	guest-008.savana.cz
81.0.240.208	A	ictnet.cz
81.0.240.209	A+PTR	guest-009.savana.cz
81.0.240.210	A+PTR	guest-010.savana.cz
81.0.240.216	A+PTR	guest-016.savana.cz
81.0.240.217	A	guest-017.savana.cz
81.0.240.218	A+PTR	guest-018.savana.cz
81.0.240.219	A+PTR	guest-019.savana.cz
81.0.240.224	A+PTR	guest-024.savana.cz
81.0.240.224	A	casopis-hodinky-sperky.cz
81.0.240.224	A	orientaldesign.fr
81.0.240.225	A	guest-025.savana.cz
81.0.240.226	PTR	guest-026.savana.cz
81.0.240.227	PTR	guest-027.savana.cz
81.0.240.249	PTR	unassigned-81.0.240-249.casablanca.cz
81.0.240.249	A	ns3.lasicka.cz
81.0.240.249	A	ns3.matrixway.cz
81.0.240.250	PTR	icewarp.savana.cz
81.0.240.250	PTR	pop3.savana.cz
81.0.240.250	A	mail.kobik.cz
81.0.240.251	PTR	smtp.savana.cz
81.0.241.0	PTR	net-81-0-241-000.casablanca.cz
81.0.241.10	PTR	www.casablanca.cz
81.0.241.10	A	educ.cz
81.0.241.10	A	adminet.cz
81.0.242.9	PTR	assigned-81-0-242-009.casablanca.cz
81.0.242.9	A	artfresco.cz
81.0.242.15	A	www.letouni.com
81.0.242.18	PTR	assigned-81-0-242-018.casablanca.cz
81.0.242.18	A	alberta.cz
81.0.242.19	PTR	assigned-81-0-242-019.casablanca.cz
81.0.242.19	A	slupka.cat.cz
81.0.242.20	A	catdomain.eu
81.0.242.20	A	szcz.cz
81.0.242.34	PTR	assigned-81-0-242-034.casablanca.cz
81.0.242.34	A	esiko.cz
81.0.242.39	A	www.mpm.cz
81.0.242.39	A	www.tamiya.cz
81.0.242.58	PTR	assigned-81-0-242-058.casablanca.cz
81.0.242.58	A	www.adszs.cz
81.0.242.58	A	adszs.cz
81.0.242.61	A	roberthalffinance.cz
81.0.242.61	A	officeteam.cz
81.0.242.66	A	www.cesta.cz
81.0.242.66	A	queerprideparadetabor.cz
81.0.242.67	PTR	assigned-81-0-242-067.casablanca.cz
81.0.242.67	A	www.maage.cz
81.0.242.67	A	maage.cz
81.0.242.78	A	www.kendy.cz
81.0.242.78	A	kendy.cz
81.0.242.78	A	www.berounsko.cz
81.0.242.81	PTR	assigned-81-0-242-081.casablanca.cz
81.0.242.83	PTR	assigned-81-0-242-083.casablanca.cz
81.0.242.83	A	jirivalenta.com
81.0.242.83	A	bazeni.cz
81.0.242.86	A	plastickachirurgie.eu
81.0.242.94	A	hps.berounsko.cz
81.0.242.100	A	gbcs.cz
81.0.242.100	A	www.gbcs.cz
81.0.242.194	A+PTR	ns1.c0re.cz
81.0.242.194	PTR	mgmt.ca.c0re.cz
81.0.242.195	PTR	web1.c0re.cz
81.0.242.195	A	bauermedical.cz
81.0.242.195	A	actasafe.cz
81.0.242.201	PTR	assigned-81-0-242-201.casablanca.cz
81.0.242.201	A	mail.mhpics.com
81.0.242.250	A	*.startpeople.cz
81.0.242.252	A	apartmany-orlik.cz
81.0.244.1	A	fwr.panflex.cz
81.0.244.5	A	web.panflex.cz
81.0.244.20	PTR	gwmail.panflex.cz
81.0.244.21	A+PTR	mail.panflex.cz
81.0.244.22	PTR	dwa.panflex.cz
81.0.244.26	A	mail.flexomorava.cz
81.0.244.250	A+PTR	europe.dukane.com
81.0.245.0	PTR	casablanca-net.casablanca.cz
81.0.245.37	A	mail.laceratedenemy.com
81.0.245.47	A	jipe.qls.cz
81.0.245.161	A+PTR	ir1.homolka.cz
81.0.245.161	A	mx.homolkamail.cz
81.0.245.163	A	wfs.homolka.cz
81.0.245.164	A	d.homolka.cz
81.0.245.170	A	posta.homolka.cz
81.0.245.171	PTR	ekardio.homolkamail.cz
81.0.245.171	A	mx.homolkamail.cz
81.0.245.171	A	homolkamail.cz
81.0.245.187	PTR	assigned-81-0-245-187.casablanca.cz
81.0.245.205	A	pocasi.lahovska.info
81.0.245.218	A	janmuller.eu
81.0.245.224	PTR	net-81-0-245-224.casablanca.cz
81.0.246.1	A+PTR	r0-a.trustica.cz
81.0.246.8	PTR	joe.cz
81.0.246.9	A	dot.medvecky.net
81.0.246.10	A	vader2.trustica.net
81.0.246.12	A	www.wikileaks.cz
81.0.246.12	A	anti2.wikileaks.cz
81.0.246.16	A	support.sokordia.cz
81.0.246.17	A+PTR	xen0.clarexon.cz
81.0.246.19	PTR	www.jccr.cz
81.0.246.19	A	dovolenabezhranic.cz
81.0.246.19	A	jiznicechy.cz
81.0.246.24	PTR	mail.medvecky.net
81.0.246.25	A	dom0.medvecky.net
81.0.246.26	PTR	mail.clarexon.cz
81.0.246.26	A	mail.extremecagefight.cz
81.0.246.26	A	mail.drechsler.cz
81.0.246.27	PTR	web.medvecky.net
81.0.246.33	PTR	axs0.adineo.cz
81.0.246.33	A	ip2.jccr.cz
81.0.246.34	PTR	axs0-ip2.adineo.cz
81.0.246.34	A	ip3.jccr.cz
81.0.246.35	A	ip4.jccr.cz
81.0.246.37	A	casa-rt.trustica.net
81.0.246.40	PTR	vm1.trustica.net
81.0.246.40	A	xgmail.eu
81.0.246.40	A	mail.wed.sk
81.0.246.41	PTR	geocaching.cz
81.0.246.48	PTR	ads-dts01.adineo.cz
81.0.246.49	PTR	unassigned-81.0.246.49.trustica.net
81.0.246.49	A	sngguru.com
81.0.246.49	A	hrajpoker.com
81.0.246.53	A	mvk.trustica.net
81.0.246.58	A	jabber.trustica.net
81.0.246.60	A	trustica.com
81.0.246.60	A	pwww.trustica.cz
81.0.246.60	A	icinga.cz
81.0.246.64	PTR	unassigned-81.0.246.64.trustica.net
81.0.246.65	A+PTR	customer-housing-gw.trustica.net
81.0.246.66	PTR	windsurfing.cz
81.0.246.66	A	mail.ondrejsynek.cz
81.0.246.66	A	porgracia.cz
81.0.246.67	PTR	xen0.mres.cz
81.0.246.72	PTR	morbo.igloonet.cz
81.0.246.75	PTR	chodounsky.cz
81.0.246.75	A	zmrdi.com
81.0.246.75	A	www.uswgame.net
81.0.246.76	A	anise.anise.cz
81.0.246.80	PTR	data.mediaresearch.cz
81.0.246.82	A	newweb.mediaresearch.cz
81.0.246.83	A+PTR	gwpn.mres.cz
81.0.246.83	A	gw.mres.cz
81.0.246.85	A	netservices2.casablanca.cz
81.0.246.89	A+PTR	mail.netservices.cz
81.0.246.89	A	mail.protectglobal.cz
81.0.246.89	A	mail.esluzby.net
81.0.246.90	A+PTR	parfemy-alito.cz
81.0.246.91	PTR	unassigned-81.0.246.91.trustica.net
81.0.246.99	PTR	queeg500.avc-cvut.cz
81.0.246.100	A	mail.prirodnipomoc.cz
81.0.246.100	A	odznak-odznaky.cz
81.0.246.100	A	mail.orlvplzni.cz
81.0.246.105	PTR	lip-ip2.trustica.net
81.0.246.107	PTR	pms.trustica.cz
81.0.246.113	PTR	hlava1.mediawork.cz
81.0.246.114	A	srdce.mediawork.cz
81.0.246.118	A	doucit.cz
81.0.246.118	A	mysql.mediawork.cz
81.0.246.118	A	*.mediawork.cz
81.0.246.123	A	grid-de.adineo.cz
81.0.246.123	A	ads01.adineo.cz
81.0.246.128	PTR	unassigned-81.0.246.128.trustica.net
81.0.246.130	PTR	euro4.prevent.trustica.net
81.0.246.130	A	be-soft.sk
81.0.246.134	A	gastropasscard.sk
81.0.246.134	A	relaxpass.sk
81.0.246.134	A	holidaypass.sk
81.0.246.162	PTR	dom0.webcorp.cz
81.0.246.166	A	thomson.cz
81.0.246.184	PTR	webcorp-reserved-81.0.246.184.trustica.net
81.0.246.235	A	spamd.trustica.net
81.0.246.236	A	despam.trustica.net
81.0.246.237	A	zslibeznice.cz
81.0.246.237	A	www.dobromysl.cz
81.0.246.242	PTR	www2.ecsoftware.cz
81.0.246.242	A	reykjavik.cz
81.0.246.244	A	hati.cz
81.0.246.244	A	linux.ecweb.cz
81.0.247.64	PTR	unassigned-81.0.247.64.trustica.net
81.0.247.98	PTR	rta-advert.rta.cz
81.0.247.104	PTR	www.rta.cz
81.0.247.122	PTR	ec-vs.dacc.cz
81.0.247.134	A	mail.extasyclub.cz
81.0.247.134	A	mail.industry-online.eu
81.0.247.134	A	mail.izolater.cz
81.0.247.137	PTR	sns.qf.trustica.net
81.0.247.137	A	perfecte.cz
81.0.247.137	A	hosting.qf.cz
81.0.247.161	A	mediaweb-gw.trustica.net
81.0.247.162	PTR	obelix.mediaweb.cz
81.0.247.162	A	petrovicky.net
81.0.247.162	A	zaz-tepelnatechnika.cz
81.0.247.194	PTR	tix.trustica.cz