Robtex

Up: 81.91.192.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 81.91.208.0/21
Down right: 81.91.216.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.91.208.2	A+PTR	ns1.ovanet.cz
81.91.208.2	A	pridns.ovanet.cz
81.91.208.3	PTR	ova1.ovanet.cz
81.91.208.3	A	troodon.ovanet.cz
81.91.208.3	A	mysql.ovanet.cz
81.91.208.42	A	ovatel2.ovatel.cz
81.91.209.2	A+PTR	ns2.ovanet.cz
81.91.209.2	A	secdns.ovanet.cz
81.91.209.3	PTR	host1.ovanet.cz
81.91.209.3	A	qll.cz
81.91.209.3	A	www.ddprivoz.ovanet.cz
81.91.210.4	A+PTR	gwc-210-4.ip.ovanet.cz
81.91.210.4	A	mail.okas.cz
81.91.210.5	A	webmail.arena-vitkovice.cz
81.91.210.8	A	mail.versasys.cz
81.91.210.138	A	mail.mar.cz
81.91.210.138	A	mail.martek.eu
81.91.210.234	A+PTR	mail2.b2bpartner.cz
81.91.210.234	A	mail2.domajedoma.cz
81.91.210.234	A	mail2.b2bpartner.sk
81.91.211.74	A	visitostrava.eu
81.91.211.74	A	ostravainfo.cz
81.91.211.74	A	mx.ostravainfo.cz
81.91.211.142	A+PTR	mail.vtpo.cz
81.91.211.142	A	voip.vtpo.cz
81.91.211.162	A+PTR	gw.technoprojekt.cz
81.91.211.162	A	nod.technoprojekt.cz
81.91.211.163	A+PTR	mail.technoprojekt.cz
81.91.211.164	A+PTR	nms.technoprojekt.cz
81.91.211.165	PTR	www.technoprojekt.cz
81.91.211.214	A	srvweb.elektromont.cz
81.91.211.214	A	server5.elektromont.cz
81.91.211.214	A	server2.elektromont.cz
81.91.211.238	A	mail.storyflex.cz
81.91.211.246	A	mail.ankra.cz
81.91.212.64	PTR	ipe-212-64.ip.ovanet.cz
81.91.212.170	A+PTR	ftp.ovanet.cz
81.91.212.238	A+PTR	posta.cerna-louka.cz
81.91.212.238	A	mail.cerna-louka.cz
81.91.213.1	PTR	ipf-213-1.ip.ovanet.cz
81.91.213.14	A	ns.mnof.cz
81.91.213.14	A	nike.mnof.cz
81.91.213.14	A	gwf-213-14.ip.ovanet.cz
81.91.213.16	PTR	gwf-213-16.ip.ovanet.cz
81.91.213.35	A+PTR	gb001.gaben.cz
81.91.213.35	A	gaben.cz
81.91.213.36	A	kaminkova-lhota.cz
81.91.213.36	A	konkolski.com
81.91.213.54	A	gwf-213-54.ip.ovanet.cz
81.91.213.78	A	gwf-213-78.ip.ovanet.cz
81.91.213.78	A	gwlan.ovanet.cz
81.91.213.82	PTR	goblin.adeon.cz
81.91.213.102	A	posta.ctyrlistekostrava.cz
81.91.213.162	PTR	gwf-213-162.ip.ovanet.cz
81.91.213.163	A+PTR	gwf-213-163.ip.ovanet.cz
81.91.213.163	A	www.anetliberec.cz
81.91.213.163	A	euphoryproduction.cz
81.91.213.164	A	vr2.varanet.net
81.91.213.178	A+PTR	gwf-213-178.ip.ovanet.cz
81.91.213.180	A	martinkusyn.com
81.91.213.180	A	argutec.cz
81.91.213.180	A	ganapa.cz
81.91.213.211	PTR	gwf-213-211.ip.ovanet.cz
81.91.213.218	A	sbs03.dk-akord.cz
81.91.213.218	A	home.dk-akord.cz
81.91.213.218	A	gwf-213-218.ip.ovanet.cz
81.91.214.60	A	ns.mnof.cz
81.91.214.60	A	mail.mnof.cz
81.91.214.70	PTR	mail.ovak.cz
81.91.214.70	A	firewall.ovak.cz
81.91.214.70	A	www.ovak.cz
81.91.214.81	A+PTR	zis.ovak.cz
81.91.214.82	A	videoportal.ovak.cz
81.91.214.82	A	fas.ovak.cz
81.91.214.83	PTR	postak.ovak.cz
81.91.214.83	A	mail.ovak.cz
81.91.214.125	PTR	a06.ecentre.cz
81.91.214.131	PTR	ipg-214.131.ip.ovanet.cz
81.91.214.141	A	sbs01.dkv.cz
81.91.214.162	PTR	dvi.elcom.cz
81.91.214.162	A	paqnet.cz
81.91.214.162	A	mail.surprisedrinks.com
81.91.214.177	A	mail.evolio.cz
81.91.214.218	A	travl.cz
81.91.214.220	A	12900.cz
81.91.214.220	A	www.12900.cz
81.91.214.220	A	eagosystems.cz
81.91.214.226	PTR	mail.imfsoft.cz
81.91.214.226	A	mail.leninokna.cz
81.91.214.226	A	*.bdnadrybnikem.cz
81.91.214.234	PTR	srv1.css-ostrava.cz
81.91.214.242	A+PTR	omail.1sig.cz
81.91.214.250	A	firma.luceo.cz
81.91.214.254	A	m21.boch.cz
81.91.215.1	PTR	intra.elcom.cz
81.91.215.22	A	harrmed.eu
81.91.215.22	A	*.omniprax.cz
81.91.215.22	A	omniprax.cz
81.91.215.30	A	mail.okas.cz
81.91.215.34	PTR	iph-215-34.ip.ovanet.cz
81.91.215.34	A	alfa.jinpo-plus.cz
81.91.215.34	A	mail.jinpo-plus.cz
81.91.215.38	A	owa.okas.cz
81.91.215.48	PTR	iph-215-48.ip.ovanet.cz
81.91.215.60	A	posta.ctyrlistekostrava.cz
81.91.215.64	PTR	iph-215-64.ip.ovanet.cz
81.91.215.69	A	people4it.cz
81.91.215.128	PTR	iph-215-128.ip.ovanet.cz
81.91.215.160	PTR	iph-215-160.ip.ovanet.cz
81.91.215.161	A	internetzadarmo.com
81.91.215.161	A	internetzadarmo.info
81.91.215.162	PTR	iph-215-162.ip.ovanet.cz
81.91.215.162	A	webhost.cngklub.cz
81.91.215.162	A	elektrokom.cz
81.91.215.204	A	tms.kr-moravskoslezsky.cz
81.91.215.232	A	mail.csdata.cz
81.91.215.232	A	mail3.csdata.cz
81.91.215.237	A	ccm.mikrotech.cz
81.91.216.13	A	medovypernicek.cz
81.91.216.32	A+PTR	dhcp-216-32.wifi.ovanet.cz
81.91.216.33	A+PTR	dhcp-216-33.wifi.ovanet.cz
81.91.216.38	A	dhcp-216-38.wifi.ovanet.cz
81.91.216.39	A	dhcp-216-39.wifi.ovanet.cz
81.91.216.49	A	dhcp-216-49.wifi.ovanet.cz
81.91.216.52	A	dhcp-216-52.wifi.ovanet.cz
81.91.216.54	A	dhcp-216-54.wifi.ovanet.cz
81.91.216.58	A	dhcp-216-58.wifi.ovanet.cz
81.91.216.70	A	im.kr-moravskoslezsky.cz
81.91.216.74	A	nse.kr-moravskoslezsky.cz
81.91.216.82	A	www.kr-t.cz
81.91.216.82	A	biznetwork.eu
81.91.216.82	A	mskraj.eu
81.91.216.83	A	biznetwork.eu
81.91.216.83	A	lokalni-topeniste.cz
81.91.216.98	A	posta.kr-moravskoslezsky.cz
81.91.216.117	A	bm.msregion.cz
81.91.216.118	A	3d.kr-moravskoslezsky.cz
81.91.216.118	A	mapy.kr-moravskoslezsky.cz
81.91.216.124	A	inside.kr-moravskoslezsky.cz
81.91.216.136	A	ns1.ictb.cz
81.91.216.138	A	ns2.ictb.cz
81.91.216.140	A	mail.richtar.name
81.91.216.140	A	smtpf.ictb.cz
81.91.216.143	A	smtpf.ercool.cz
81.91.217.7	PTR	mail.apsobol.com
81.91.217.16	A	mail.adamcova.com
81.91.217.69	A	mail.amsoft-ova.cz
81.91.217.80	A	mail.kgeo.cz
81.91.218.2	A+PTR	ns1.ovacloud.net
81.91.218.3	A+PTR	smtp1.ovacloud.net
81.91.218.4	A+PTR	casex.ovacloud.net
81.91.218.5	A	ovacloud.net
81.91.218.118	A+PTR	remote.krt.cz
81.91.218.118	A	krtrade.cz
81.91.218.118	A	www.krt.cz
81.91.218.134	PTR	hosting.teamcity.cz
81.91.218.134	A	serviscom.cz
81.91.218.134	A	www.serviscom.cz
81.91.218.144	A	juros.cz
81.91.218.153	A	mlsej.com
81.91.218.203	A	mailgw2.knihcentrum.cz
81.91.218.204	A	nejlevnejsiknihy.cz
81.91.218.204	A	booktrans.at
81.91.218.204	A	*.knihkupectvi.info
81.91.218.205	PTR	mailgw2.knihcentrum.cz
81.91.219.5	A	smtp.mayak.cz
81.91.219.7	A	ikocarky.eu
81.91.219.7	A	tajemno.cz
81.91.219.7	A	mail.tajemno.cz
81.91.219.20	A	fw.mayak.cz
81.91.219.20	A	smtp.echleba.eu
81.91.219.20	A	smtp.echleba.cz
81.91.219.24	PTR	mail.ankra.cz
81.91.219.72	A+PTR	dc.dpd.ovanet.cz
81.91.219.110	PTR	ms.dpova.cz
81.91.219.118	A	gwjun.zsjunacka.cz
81.91.219.123	A+PTR	ex13-welt.weltservis.cz
81.91.219.124	A	ex07-welt.weltservis.cz
81.91.219.140	A+PTR	mail1.jfo.cz
81.91.219.140	A	mail.jfo.cz
81.91.219.143	A+PTR	smtpf.ercool.cz
81.91.219.143	A	ercool.cz
81.91.219.159	PTR	mail.gavlas.cz
81.91.219.159	A	podskolou.cz
81.91.219.159	A	byty-v-praze.eu
81.91.219.162	A	mail.rubing.cz
81.91.219.162	A	posta.rubing.cz
81.91.219.167	A	ms.dpova.cz
81.91.219.173	PTR	dc.dssyllabova.ovanet.cz.219.91.81.in-addr.arpa
81.91.219.173	A	dc.dssyllabova.ovanet.cz
81.91.219.188	A	isp2.abasco.cz
81.91.219.203	A	echleba.eu
81.91.219.203	A	www.echleba.cz
81.91.219.203	A	echleba.cz
81.91.219.205	PTR	mail.kodis.cz
81.91.220.70	A	broda.eu
81.91.220.124	A	tuts.cz
81.91.220.124	A	simir.cz
81.91.221.4	A	ns2.e4cgx.cz
81.91.221.7	A	email.skylink.cz
81.91.221.34	A+PTR	mail.ndm.cz
81.91.221.36	A	vstupenky.ndm.cz
81.91.221.38	A+PTR	download.ndm.cz
81.91.221.38	A	doucovanimatematika.cz
81.91.221.65	PTR	gwn-221-65.ip.ovanet.cz
81.91.221.71	A	nis-ter.vnbma.cz
81.91.221.71	A	mail.zpagel.cz
81.91.221.130	A	im2.kr-moravskoslezsky.cz
81.91.221.132	A	nse2.kr-moravskoslezsky.cz
81.91.221.189	A	mx1.msk.cz
81.91.221.190	A	mx2.msk.cz
81.91.221.195	A	mail.ebg-plastics.cz
81.91.221.216	A	www.zzsmsk.cz
81.91.221.216	A	zachranka-msk.cz
81.91.221.216	A	www.uszsmsk.cz
81.91.222.2	A+PTR	barracuda.issa.cz
81.91.222.3	A+PTR	dns2.issa.cz
81.91.222.6	A	www.mkcr.cz
81.91.222.6	A	mkcr.cz
81.91.222.18	PTR	massmail4.issa.cz
81.91.222.19	A+PTR	merkur.issa.cz
81.91.222.19	A	dns1.issa.cz
81.91.222.20	PTR	web.t-t.cz
81.91.222.21	A	tradetec.cz
81.91.222.21	A	www.skylink.sk
81.91.222.21	A	skylink.cz
81.91.222.39	A	mein-goldportal.de
81.91.222.39	A	www.mein-goldportal.de
81.91.222.41	A	skylink.cz
81.91.222.43	A	web.t-t.cz
81.91.222.48	A	colek3.clkcr.cz
81.91.222.51	A	webprod.issa.cz
81.91.222.52	A	lb.issa.cz
81.91.222.53	PTR	webprod3.issa.cz
81.91.222.53	A	czechrepublicproduct.com
81.91.222.53	A	ekka-gold.com
81.91.222.64	PTR	metropool01.ostrava.cz
81.91.222.65	PTR	metropool02.ostrava.cz
81.91.222.66	PTR	metropool03.ostrava.cz
81.91.222.66	A	geneva.raynet.cz
81.91.222.67	PTR	metropool04.ostrava.cz
81.91.222.67	A	clc.cz
81.91.222.67	A	toronto.raynet.cz
81.91.222.82	PTR	mail.ctvmo.cz
81.91.222.98	A	magistr.ostrava.cz
81.91.222.99	A	gwjun.zsjunacka.cz
81.91.222.99	A	ostrava-city.cz
81.91.222.99	A	reverzniproxy.ostrava.cz
81.91.222.114	A	bck.ostrava.cz
81.91.222.115	A	nweb.ostrava.cz
81.91.222.115	A	petrkovice.eu
81.91.222.116	A	nsova.ostrava.cz
81.91.222.147	A	smtp04.ostrava.cz
81.91.222.152	A	cistota-moap.cz
81.91.222.152	A	zsvyhledy.cz
81.91.222.152	A	www.zsvyhledy.cz
81.91.222.163	A	mail.elevo.cz
81.91.222.163	A	elevo.cz
81.91.222.163	A	ms.elevo.cz
81.91.222.164	A+PTR	fw.iservery.com
81.91.222.166	PTR	ispadmin.netyx.cz
81.91.222.167	PTR	webmail.iservery.com
81.91.222.180	PTR	hosting1.iservery.com
81.91.222.180	A	*.sits.cz
81.91.222.180	A	hgt.cz
81.91.222.206	A	email.visuallab.cz
81.91.222.206	A	branomarket.cz
81.91.222.206	A	visuallab.cz
81.91.222.211	A+PTR	lmx1.ibcmsk.cz
81.91.222.219	A	mpostrava.cz
81.91.222.219	A	mail.mpostrava.cz
81.91.222.219	A	www.mpostrava.cz
81.91.222.250	A	webprod.issa.cz
81.91.222.250	A	ekka-gold.com
81.91.223.3	A+PTR	reverzniproxy3.ostrava.cz
81.91.223.3	A	kpostrava.cz
81.91.223.3	A	plesna.cz
81.91.223.5	A+PTR	smtp02.ostrava.cz
81.91.223.8	PTR	smtp03.ostrava.cz