Robtex

Up: 81.0.212.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 81.0.213.0/25
Down right: 81.0.213.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.0.213.0	PTR	casablanca-net.casablanca.cz
81.0.213.1	PTR	assigned-81-0-213-001.casablanca.cz
81.0.213.1	A	bmwcartec.cz
81.0.213.1	A	dycom.cz
81.0.213.3	A	www.bmwprosek.cz
81.0.213.3	A	bmwprosek.cz
81.0.213.5	A	www.cartecolomouc.cz
81.0.213.10	PTR	assigned-81-0-213-010.casablanca.cz
81.0.213.12	PTR	shogun.itbs.cz
81.0.213.12	A	zasportujsi.sk
81.0.213.28	A	mail.petrolco.cz
81.0.213.41	PTR	www.onyxcom.cz
81.0.213.41	A	sebecek.cz
81.0.213.48	PTR	assigned-81-0-213-048.casablanca.cz
81.0.213.50	A	sprocketidea.com
81.0.213.66	PTR	assigned-81-0-213-066.casablanca.cz
81.0.213.66	A	naspirale.info
81.0.213.66	A	mail.naspirale.cz
81.0.213.73	PTR	unassigned-81-0-213-073.casablanca.cz
81.0.213.73	A	sex-planeta.cz
81.0.213.73	A	www.sex-planeta.cz
81.0.213.76	PTR	unassigned-81-0-213-076.casablanca.cz
81.0.213.81	A+PTR	mail.bfsp.cz
81.0.213.81	A	mail.proxy.cz
81.0.213.81	A	mail.neuer.cz
81.0.213.82	A	webik.neuer.cz
81.0.213.82	A	www1.bfsp.cz
81.0.213.85	PTR	ns.bfsp.cz
81.0.213.97	PTR	xcontest.org
81.0.213.97	A	xcontest.net
81.0.213.97	A	*.xcontest.org
81.0.213.98	PTR	assigned-81-0-213-098.casablanca.cz
81.0.213.98	A	ns4.iglu.cz
81.0.213.101	PTR	assigned-81-0-213-101.casablanca.cz
81.0.213.101	A	*.novastorm.iglu.cz
81.0.213.101	A	gay.iglu.cz
81.0.213.104	PTR	net-81-0-213-104.casablanca.cz
81.0.213.113	PTR	assigned-81-0-213-113.casablanca.cz
81.0.213.113	A	sns.egate.cz
81.0.213.114	PTR	assigned-81-0-213-114.casablanca.cz
81.0.213.114	A	rexrotary.cz
81.0.213.114	A	*.egate.cz
81.0.213.115	A+PTR	mail.egate.cz
81.0.213.115	A	mail2.egate.cz
81.0.213.115	A	mail.dekorhome.cz
81.0.213.117	PTR	assigned-81-0-213-117.casablanca.cz
81.0.213.117	A	erosveneziani.cz
81.0.213.117	A	restauraceuvejvodu.cz
81.0.213.138	A	minerals.cz
81.0.213.138	A	master.hostinet.cz
81.0.213.140	PTR	host1.hostinet.cz
81.0.213.140	A	fiomo.cz
81.0.213.140	A	itctf.cz
81.0.213.141	PTR	assigned-81-0-213-141.casablanca.cz
81.0.213.141	A	sportovnilekarstvi.cz
81.0.213.141	A	www.hotel-stary-mlyn.com
81.0.213.145	PTR	assigned-81-0-213-145.casablanca.cz
81.0.213.145	A	ns1.mapfactor.com
81.0.213.146	PTR	assigned-81-0-213-146.casablanca.cz
81.0.213.146	A	ns2.mapfactor.com
81.0.213.148	PTR	hope.mapfactor.com
81.0.213.148	A	mapfactor.cz
81.0.213.148	A	www.mapfactor.cz
81.0.213.149	PTR	unassigned-81-0-213-149.casablanca.cz
81.0.213.149	A	falcon.mapfactor.com
81.0.213.150	PTR	unassigned-81-0-213-150.casablanca.cz
81.0.213.150	A	mx2.mapfactor.eu
81.0.213.150	A	www.tracking4free.com
81.0.213.153	PTR	eagle.mapfactor.com
81.0.213.153	A	mapfactor.cz
81.0.213.153	A	www.mapfactor.cz
81.0.213.155	A	drinkingcards.com
81.0.213.156	PTR	assigned-81-0-213-156.casablanca.cz
81.0.213.156	A	ttfashion.ro
81.0.213.157	A+PTR	mailman.mapfactor.com
81.0.213.157	A	mail.mapfactor.cz
81.0.213.157	A	mail.mapfactor.com
81.0.213.160	PTR	assigned-81-0-213-160.casablanca.cz
81.0.213.161	PTR	assigned-81-0-213-161.casablanca.cz
81.0.213.161	A	blog.feedo.pl
81.0.213.161	A	jaknamaterstvi.cz
81.0.213.168	PTR	assigned-81-0-213-168.casablanca.cz
81.0.213.169	A+PTR	anawe2.cms.cz
81.0.213.169	A	sprava-nemovitosti.com
81.0.213.169	A	stastnezeny.cz
81.0.213.170	PTR	nemoshop.cms.cz
81.0.213.170	A	domovuh.cz
81.0.213.170	A	faktreality.cz
81.0.213.171	PTR	anawe4.cms.cz
81.0.213.171	A	bohemiancompany.com
81.0.213.171	A	mail.freestanding-kitchens.com
81.0.213.172	PTR	anawe5.cms.cz
81.0.213.172	A	www.povodne.cz
81.0.213.172	A	donerkebab.cz
81.0.213.173	A+PTR	nemoshopru.cms.cz
81.0.213.173	A	nemoshop.ru
81.0.213.177	A+PTR	mail2.seo-ppc.cz
81.0.213.177	A	seo-laboratory.cz
81.0.213.177	A	mail.mujbox.eu
81.0.213.178	PTR	assigned-81-0-213-178.casablanca.cz
81.0.213.178	A	web.vekra.cz
81.0.213.178	A	add-seo.cz
81.0.213.179	PTR	assigned-81-0-213-179.casablanca.cz
81.0.213.179	A	dvere-jap.cz
81.0.213.179	A	bazeny-zahrady-cz.cz
81.0.213.180	PTR	assigned-81-0-213-180.casablanca.cz
81.0.213.180	A	skrytazaruben.cz
81.0.213.180	A	interactiveonline.cz
81.0.213.181	PTR	assigned-81-0-213-181.casablanca.cz
81.0.213.181	A	comfort-credit.cz
81.0.213.185	A	kovani-nabytkove.com
81.0.213.185	A	www.eitech.cz
81.0.213.186	PTR	unassigned-81-0-213-186.casablanca.cz
81.0.213.193	PTR	www.topweby.cz
81.0.213.193	A	cbh.cz
81.0.213.193	A	horing.eu
81.0.213.194	PTR	mail.topweby.cz
81.0.213.194	A	mail.egwcranes.net
81.0.213.194	A	mail.stehovanibrno.eu
81.0.213.195	PTR	www.slevoteka.cz
81.0.213.195	A	ns1.topweby.cz
81.0.213.197	PTR	assigned-81-0-213-197.casablanca.cz
81.0.213.197	A	bn.josak.cz
81.0.213.197	A	p.josak.cz
81.0.213.208	PTR	unassigned-81-0-213-208.casablanca.cz
81.0.213.211	A	mail.commonline.cz
81.0.213.211	A	thorondor.commonline.cz
81.0.213.213	A	santolik.cz
81.0.213.215	PTR	assigned-81-0-213-215.casablanca.cz
81.0.213.217	A+PTR	transtechnikcs.casablanca.cz
81.0.213.217	A	nadina.cz
81.0.213.217	A	www.nadina.cz
81.0.213.223	PTR	assigned-81-0-213-223.casablanca.cz
81.0.213.224	PTR	assigned-81-0-213-224.casablanca.cz
81.0.213.225	PTR	bender.28labs.com
81.0.213.225	A	www.bulvarem.cz
81.0.213.225	A	vyletnilode.com
81.0.213.231	PTR	assigned-81-0-213-231.casablanca.cz
81.0.213.236	PTR	assigned-81-0-213-236.casablanca.cz
81.0.213.236	A	merci-card.cz
81.0.213.236	A	mercicard.cz
81.0.213.239	PTR	assigned-81-0-213-239.casablanca.cz
81.0.213.240	PTR	assigned-81-0-213-240.casablanca.cz