Robtex

Up: 81.91.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 81.91.80.0/21
Down right: 81.91.88.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.91.80.0	PTR	web4u-net-81-91-80-0.web4u.cz
81.91.80.64	PTR	unassigned-81-91-80-64.web4u.cz
81.91.80.69	A	moonpearls.cz
81.91.80.69	A	www.smartlabs.cz
81.91.80.69	A	www.zokshop.cz
81.91.80.83	A+PTR	hosting.sales.cz
81.91.80.83	A	mail2.sales.cz
81.91.80.83	A	kersko.eu
81.91.80.96	PTR	unassigned-81-91-80-96.web4u.cz
81.91.80.128	PTR	web4u-net-81-91-80-128.web4u.cz
81.91.80.134	A	asp4you.cz
81.91.80.136	A	vw40.asp4u.cz
81.91.80.136	A	www.eurona.cz
81.91.80.136	A	*.euronabycerny.com
81.91.80.144	PTR	vw40-gw.server4u.cz
81.91.80.144	A	ikocarky.eu
81.91.80.147	PTR	vw227.server4u.cz
81.91.80.147	A	4sail.cz
81.91.80.147	A	ajpro.cz
81.91.80.152	A	www.typocon.sk
81.91.80.163	PTR	vw198.asp4u.cz
81.91.80.163	A	objevtevicemuziky.cz
81.91.80.163	A	ferpojisteni.cz
81.91.80.176	PTR	unassigned-81-91-80-176.web4u.cz
81.91.80.176	A	mail.cyklomax.eu
81.91.80.176	A	www.qishop.cyklomax.cz
81.91.80.178	A+PTR	spuntik-moneys4bridge-win.praguebest.cz
81.91.80.202	A	dr-pasichnyk.com
81.91.80.202	A	tosanik.com
81.91.80.202	A	alexkarataiev.com
81.91.80.208	A	www.vokolek.cz
81.91.80.208	A	vokolek.cz
81.91.80.209	PTR	unassigned-81-91-80-209.web4u.cz
81.91.80.209	A	fleabot.com
81.91.80.209	A	mail.fleabot.com
81.91.80.211	PTR	unassigned-81-91-80-211.web4u.cz
81.91.80.225	PTR	unassigned-81-91-80-225.web4u.cz
81.91.80.225	A	goupfitness.cz
81.91.80.225	A	goup-fitness.com
81.91.80.245	A	mobili.aaannunci.it
81.91.80.245	A	elettronica.aaannunci.it
81.91.80.245	A	arte-antiquariato.aaannunci.it
81.91.81.0	PTR	web4u-net-81-91-81-0.web4u.cz
81.91.81.2	A	mirror.web4u.cz
81.91.81.13	A	gentoo.mirror.web4u.cz
81.91.81.32	PTR	unassigned-81-91-81-32.web4u.cz
81.91.81.39	A	mybackup.web4u.cz
81.91.81.54	A	archive.cpan.cz
81.91.81.103	A	zameckevinarstvibzenec.cz
81.91.81.103	A	esapconsult.cz
81.91.81.103	A	wejn.cz
81.91.81.112	A	minipivovar-ujkovice.cz
81.91.81.132	A	alensis.cz
81.91.81.181	A	www.alensa.ch
81.91.81.181	A	lentekontakti.al
81.91.81.181	A	www.alensa.ua
81.91.81.198	A	steamboat.atollon.com
81.91.81.199	A	atollon.pl
81.91.81.199	A	performancetuning.eu
81.91.81.199	A	www.ontour.cz
81.91.81.208	PTR	d255.server4u.cz
81.91.81.208	A	penguin.atollon.com
81.91.81.208	A	lagoon-06.atollon.com
81.91.81.209	PTR	unassigned-81-91-81-209.web4u.cz
81.91.81.209	A	cellar.grappes.eu
81.91.81.209	A	mail.grappes.eu
81.91.81.211	PTR	d255.server4u.cz
81.91.81.240	A	mail.web4free.cz
81.91.82.0	PTR	web4u-net-81-91-82-0.web4u.cz
81.91.82.2	PTR	unassigned-81-91-82-2.web4u.cz
81.91.82.11	A	inglesina.co.at
81.91.82.11	A	mail.soundsquare.tv
81.91.82.11	A	www.babydan.cz
81.91.82.17	PTR	www.xixao.cz
81.91.82.17	A	pgsql.depilace.cz
81.91.82.17	A	alutex.cz
81.91.82.18	PTR	zfs.server4u.cz
81.91.82.32	PTR	unassigned-81-91-82-32.web4u.cz
81.91.82.33	A	darkyvecerek.cz
81.91.82.33	A	mail.darkyvecerek.cz
81.91.82.33	A	showlivechat.de
81.91.82.35	PTR	mail.czit.cz
81.91.82.43	A	showlivechat.de
81.91.82.49	A+PTR	m149.server4u.cz
81.91.82.49	A	mail.gisb.cz
81.91.82.49	A	mail.gibs.cz
81.91.82.50	PTR	www.vasecocky.cz
81.91.82.51	PTR	srv3.smartware.cz
81.91.82.64	A+PTR	ivan.server4u.cz
81.91.82.64	A	mail.devat.info
81.91.82.65	A	vhospode.cz
81.91.82.66	A	d121.server4u.cz
81.91.82.67	PTR	vs723.server4u.cz
81.91.82.80	PTR	unassigned-81-91-82-80.web4u.cz
81.91.82.81	PTR	unassigned-81-91-82-81.web4u.cz
81.91.82.81	A	zfs.server4u.cz
81.91.82.82	PTR	unassigned-81-91-82-82.web4u.cz
81.91.82.83	PTR	proliant.trebonsko.net
81.91.82.83	A	*.ergo-strecha.cz
81.91.82.83	A	comfor-trebon.cz
81.91.82.96	A	posmaterials.eu
81.91.82.96	A	mail.posmaterials.eu
81.91.82.97	PTR	vs924.server4u.cz
81.91.82.97	A	google.com.maxiforum.cz
81.91.82.97	A	d125.server4u.cz
81.91.82.112	A	z108.server4u.cz
81.91.82.114	PTR	d300.server4u.cz
81.91.82.114	A	mappingshow.cz
81.91.82.114	A	video-mapping.eu
81.91.82.132	A	webcluster.freemusic.cz
81.91.82.136	A	vs638.server4u.cz
81.91.82.137	A	d263.server4u.cz
81.91.82.139	A	mail.lucidcircus.eu
81.91.82.144	PTR	z143.server4u.cz
81.91.82.144	A	trabi.chapadla.cz
81.91.82.144	A	punktopia.cz
81.91.82.150	A	inspectlife.cz
81.91.82.150	A	mail.inspectlife.cz
81.91.82.163	PTR	unassigned-81-91-82-163.web4u.cz
81.91.82.163	A	verejnedrazby.eu
81.91.82.163	A	agriimport.eu
81.91.82.176	A	tvorime-web.cz
81.91.82.177	PTR	vs769.server4u.cz
81.91.82.177	A	mail.czechcities.info
81.91.82.177	A	mail.jednoduche.info
81.91.82.195	A	bestcars.cz
81.91.82.196	A	gigel.salievenimente.ro
81.91.82.196	A	marshmango.com
81.91.82.196	A	enfid.org
81.91.82.208	PTR	unassigned-81-91-82-208.web4u.cz
81.91.82.208	A	mail.rybnikar.org
81.91.82.208	A	mail.permanentni-make-up.cz
81.91.82.209	PTR	vs816.server4u.cz
81.91.82.210	PTR	vs640.server4u.cz
81.91.82.211	PTR	z107.server4u.cz
81.91.82.225	A+PTR	git.web4u.cz
81.91.82.225	A	denisa.network.sosios.cz
81.91.82.225	A	mail.svetplavek.cz
81.91.82.226	A	medipartner.cz
81.91.82.227	PTR	m111.server4u.cz
81.91.82.240	PTR	unassigned-81-91-82-240.web4u.cz
81.91.82.242	A+PTR	x104.server4u.cz
81.91.82.243	A	postak.palacfenix.com
81.91.82.245	A	mailadmin.helena.cz
81.91.82.245	A	mail.accommodation-express.cz
81.91.83.0	PTR	web4u-net-81-91-83-0.web4u.cz
81.91.83.4	A	rachunek.com
81.91.83.6	A	www.brainking.com
81.91.83.6	A	brainking.cz
81.91.83.6	A	brainking.com
81.91.83.16	A+PTR	vs652.server4u.cz
81.91.83.16	A	stykra.cz
81.91.83.16	A	stykra.com
81.91.83.17	PTR	unassigned-81-91-83-17.web4u.cz
81.91.83.19	PTR	vs533.server4u.cz
81.91.83.37	A	mail.rozmberska-basta.cz
81.91.83.37	A	mail.opton.cz
81.91.83.37	A	www.myslivna.com
81.91.83.48	PTR	vs491.server4u.cz
81.91.83.48	A	q4u.cz
81.91.83.48	A	medcomposites.cz
81.91.83.49	A	vs492.server4u.cz
81.91.83.50	PTR	vs494.server4u.cz
81.91.83.67	A	ftpdisk.net
81.91.83.70	A	www.signumcz.com
81.91.83.70	A	adriacink.hr
81.91.83.70	A	www.adriacink.hr
81.91.83.81	A	sgroupholding.cz
81.91.83.82	PTR	unassigned-81-91-83-82.web4u.cz
81.91.83.82	A	vs509.server4u.cz
81.91.83.82	A	test-isp.server4u.cz
81.91.83.83	PTR	vs510.server4u.cz
81.91.83.83	A	www.degusto.cz
81.91.83.96	PTR	vstest124.server4u.cz
81.91.83.96	A	detictou.cz
81.91.83.96	A	blog.vozovna.cz
81.91.83.97	PTR	vs656.server4u.cz
81.91.83.99	PTR	unassigned-81-91-83-99.web4u.cz
81.91.83.112	PTR	unassigned-81-91-83-112.web4u.cz
81.91.83.112	A	kinotip2.cz
81.91.83.112	A	www.sexvideozdarma.cz
81.91.83.113	PTR	d174.server4u.cz
81.91.83.114	PTR	vs542.server4u.cz
81.91.83.115	PTR	vs704.server4u.cz
81.91.83.129	PTR	ksmm.cz
81.91.83.129	A	mail.laser-metal.cz
81.91.83.129	A	www.ksmm.cz
81.91.83.130	PTR	vs761.server4u.cz
81.91.83.131	PTR	unassigned-81-91-83-131.web4u.cz
81.91.83.146	PTR	unassigned-81-91-83-146.web4u.cz
81.91.83.146	A	feministka.cz
81.91.83.146	A	escort-girls-escort.eu
81.91.83.147	PTR	unassigned-81-91-83-147.web4u.cz
81.91.83.166	A	mail.point-shop.eu
81.91.83.166	A	mail.tomas-a-petra.cz
81.91.83.166	A	mail.point-shop.cz
81.91.83.176	PTR	vs574.server4u.cz
81.91.83.179	A	vs576.server4u.cz
81.91.83.180	PTR	vs577.server4u.cz
81.91.83.180	A	lukasfronk.com
81.91.83.180	A	tafantastika.com
81.91.83.184	A	ucetnictvi-spolehlive.cz
81.91.83.184	A	*.thespymap.com
81.91.83.184	A	vysivanipribyl.cz
81.91.83.192	A	swissmade.cz
81.91.83.192	A	mail.vanocnieshop.cz
81.91.83.192	A	mail.swissmade.cz
81.91.83.194	PTR	d228-2.server4u.cz
81.91.83.194	A	mail.elliptical.cz
81.91.83.218	A	mail.familyoutlet.cz
81.91.83.218	A	mail.fotbalfun.cz
81.91.83.218	A	mail.rovyna.cz
81.91.83.224	PTR	m143.server4u.cz
81.91.83.224	A	fun-store.eu
81.91.83.224	A	mail.fun-store.cz
81.91.83.226	PTR	vs796.server4u.cz
81.91.83.240	PTR	unassigned-81-91-83-240.web4u.cz
81.91.83.241	PTR	unassigned-81-91-83-241.web4u.cz
81.91.83.243	PTR	unassigned-81-91-83-243.web4u.cz
81.91.83.243	A	mail.myczechhome.cz
81.91.83.243	A	www.my-czech-home.cz
81.91.84.0	PTR	web4u-net-81-91-84-0.web4u.cz
81.91.84.4	A	vs219.server4u.cz
81.91.84.4	A	vs195.server4u.cz
81.91.84.5	A	vs220.server4u.cz
81.91.84.6	A	mediarepublic.cz
81.91.84.16	PTR	unassigned-81-91-84-16.web4u.cz
81.91.84.16	A	pop3.cvkbrno.cz
81.91.84.16	A	mail.h46.cz
81.91.84.17	PTR	unassigned-81-91-84-17.web4u.cz
81.91.84.18	PTR	unassigned-81-91-84-18.web4u.cz
81.91.84.32	PTR	unassigned-81-91-84-32.web4u.cz
81.91.84.33	PTR	unassigned-81-91-84-33.web4u.cz
81.91.84.33	A	vs133.server4u.cz
81.91.84.34	PTR	unassigned-81-91-84-34.web4u.cz
81.91.84.34	A	mail.autork.cz
81.91.84.34	A	vs743.server4u.cz
81.91.84.35	PTR	mail.czechia24.cz
81.91.84.48	PTR	m117.server4u.cz
81.91.84.48	A	vs150-3.server4u.cz
81.91.84.48	A	vs418.server4u.cz
81.91.84.49	PTR	m117.server4u.cz
81.91.84.49	A	vs454.server4u.cz
81.91.84.51	PTR	wpj.cz
81.91.84.64	PTR	unassigned-81-91-84-64.web4u.cz
81.91.84.64	A	vs735.server4u.cz
81.91.84.64	A	vs170.server4u.cz
81.91.84.65	PTR	vs164.server4u.cz
81.91.84.65	A	mail.mppk.cz
81.91.84.65	A	www.spdrazice.cz
81.91.84.81	A	d152.server4u.cz
81.91.84.81	A	pragoclima.eu
81.91.84.81	A	vs191.server4u.cz
81.91.84.82	PTR	unassigned-81-91-84-82.web4u.cz
81.91.84.82	A	vs192.server4u.cz
81.91.84.96	PTR	unassigned-81-91-84-96.web4u.cz
81.91.84.96	A	vs457.server4u.cz
81.91.84.97	PTR	unassigned-81-91-84-97.web4u.cz
81.91.84.97	A	m118.server4u.cz
81.91.84.97	A	vs207.server4u.cz
81.91.84.98	PTR	vs800.server4u.cz
81.91.84.98	A	mail.ifpi.cz
81.91.84.99	PTR	unassigned-81-91-84-99.web4u.cz
81.91.84.112	PTR	vs808.server4u.cz
81.91.84.112	A	mail.ispis.cz
81.91.84.112	A	plamenek.info
81.91.84.114	PTR	unassigned-81-91-84-114.web4u.cz
81.91.84.128	PTR	www3.uvm.cz
81.91.84.128	A	www.penzionintegrity.eu
81.91.84.128	A	kovospol.cz
81.91.84.129	PTR	mail3.uvm.cz
81.91.84.130	PTR	vs1129.server4u.cz
81.91.84.131	PTR	m103.server4u.cz
81.91.84.144	A+PTR	d104-4.server4u.cz
81.91.84.144	A	cschms.cz
81.91.84.144	A	www.cschms.cz
81.91.84.145	PTR	d104-5.server4u.cz
81.91.84.146	PTR	d104-6.server4u.cz
81.91.84.147	PTR	unassigned-81-91-84-147.web4u.cz
81.91.84.160	PTR	ip-81-91-84-160.imost.cz
81.91.84.160	A	mail.cucumberstudio.com
81.91.84.160	A	bohuliby.cz
81.91.84.161	PTR	m184.server4u.cz
81.91.84.163	PTR	vs610.server4u.cz
81.91.84.176	PTR	wm102.web-media.cz
81.91.84.176	A	www.vzdelavacifilmy.cz
81.91.84.176	A	marlenka.cz
81.91.84.177	PTR	wm202.web-media.cz
81.91.84.178	PTR	wm101.web-media.cz
81.91.84.179	PTR	wm201.web-media.cz
81.91.84.179	A	emobilita.eu
81.91.84.192	PTR	unassigned-81-91-84-192.web4u.cz
81.91.84.192	A	vs230.server4u.cz
81.91.84.193	A+PTR	z164.server4u.cz
81.91.84.193	A	vs231.server4u.cz
81.91.84.194	PTR	supp.name
81.91.84.194	A	ml-servis.cz
81.91.84.195	PTR	mail.tni.cz
81.91.84.210	PTR	m107.server4u.cz
81.91.84.210	A	ns.prezidenti.com
81.91.84.210	A	www.elektro4u.cz
81.91.84.211	PTR	unassigned-81-91-84-211.web4u.cz
81.91.84.227	PTR	unassigned-81-91-84-227.web4u.cz
81.91.84.227	A	mail.ekardio.cz
81.91.84.227	A	vs246.server4u.cz
81.91.84.229	A	mail.divka-sternberk.cz
81.91.84.229	A	itali.cz
81.91.84.240	A	vs258.server4u.cz
81.91.84.241	PTR	mail2.uvm.cz
81.91.84.241	A	mail.hotelharrachov.com
81.91.84.241	A	mail.drevarska.cz
81.91.84.242	PTR	unassigned-81-91-84-242.web4u.cz
81.91.84.243	PTR	unassigned-81-91-84-243.web4u.cz
81.91.85.0	PTR	web4u-net-81-91-85-0.web4u.cz
81.91.85.5	A	vs264.server4u.cz
81.91.85.6	A	vs557.server4u.cz
81.91.85.6	A	cykloparking.cz
81.91.85.6	A	mail.skolaprozivot.cz
81.91.85.16	A+PTR	mail.sbdpraha.cz
81.91.85.16	A	vs666.server4u.cz
81.91.85.17	A	z152.server4u.cz
81.91.85.18	PTR	d134.server4u.cz
81.91.85.18	A	mail.kuzelky.com
81.91.85.19	PTR	unassigned-81-91-85-19.web4u.cz
81.91.85.32	PTR	vs331.server4u.cz
81.91.85.32	A	ipraguehotels.com
81.91.85.32	A	mail.ipraguehotels.com
81.91.85.33	PTR	vs331.server4u.cz
81.91.85.33	A	ostravahotels.eu
81.91.85.34	A	vs284.server4u.cz
81.91.85.35	PTR	unassigned-81-91-85-35.web4u.cz
81.91.85.48	A+PTR	vs297.server4u.cz
81.91.85.48	A	houska-douda.cz
81.91.85.48	A	themobilemonopoly20.com
81.91.85.50	PTR	d334.server4u.cz
81.91.85.64	PTR	vs759.server4u.cz
81.91.85.64	A	www.expozitura-serial.cz
81.91.85.64	A	ct4-online.cz
81.91.85.67	PTR	vsdevel.server4u.cz
81.91.85.80	A	prahastovezata.cz
81.91.85.81	A	vs433.server4u.cz
81.91.85.82	A	vs434.server4u.cz
81.91.85.83	PTR	vs435.server4u.cz
81.91.85.83	A	beyondclassic.cz
81.91.85.96	A	d248.server4u.cz
81.91.85.96	A	wmp5.wmp.cz
81.91.85.96	A	vs324.server4u.cz
81.91.85.97	PTR	m112.server4u.cz
81.91.85.97	A	mail.simplyromantic.cz
81.91.85.98	PTR	fb.glumstore.cz
81.91.85.113	PTR	d150.server4u.cz
81.91.85.113	A	taurusagency.cz
81.91.85.113	A	raj-sperku.cz
81.91.85.114	PTR	vs1057.server4u.cz
81.91.85.115	PTR	unassigned-81-91-85-115.web4u.cz
81.91.85.128	PTR	unassigned-81-91-85-128.web4u.cz
81.91.85.128	A	vs698.server4u.cz
81.91.85.128	A	vs342.server4u.cz
81.91.85.129	PTR	web4.cybers.cz
81.91.85.130	PTR	vs380.server4u.cz
81.91.85.131	PTR	student.mup.cz
81.91.85.144	PTR	d241.server4u.cz
81.91.85.144	A	emobilita.eu
81.91.85.144	A	drive4life.cz
81.91.85.160	PTR	unassigned-81-91-85-160.web4u.cz
81.91.85.160	A	z168.server4u.cz
81.91.85.160	A	vs362.server4u.cz
81.91.85.161	A	vs394.server4u.cz
81.91.85.162	A	*.q2blog.com
81.91.85.176	A	vs373.server4u.cz
81.91.85.177	PTR	unassigned-81-91-85-177.web4u.cz
81.91.85.177	A	mail.vizazista.cz
81.91.85.178	PTR	m119.server4u.cz
81.91.85.178	A	mail.silnicnilaborator.cz
81.91.85.178	A	mail.istplus.cz
81.91.85.179	PTR	vs550.server4u.cz
81.91.85.179	A	mail.czpodium.cz
81.91.85.179	A	mail.farma-hedecko.cz
81.91.85.192	PTR	unassigned-81-91-85-192.web4u.cz
81.91.85.193	A	vs384.server4u.cz
81.91.85.193	A	vs466.server4u.cz
81.91.85.194	PTR	unassigned-81-91-85-194.web4u.cz
81.91.85.194	A	vs385.server4u.cz
81.91.85.195	PTR	vs386.server4u.cz
81.91.85.195	A	jankupodlahy.eu
81.91.85.208	PTR	unassigned-81-91-85-208.web4u.cz
81.91.85.208	A	vs397.server4u.cz
81.91.85.208	A	*.likee.org
81.91.85.209	A	vs398.server4u.cz
81.91.85.211	PTR	m137.server4u.cz
81.91.85.218	A	vs433.server4u.cz
81.91.85.224	PTR	vs331.server4u.cz
81.91.85.224	A	mail.karlovyvaryhotels.com
81.91.85.224	A	karlovyvaryhotels.com
81.91.85.229	A	cybers-3-web-02.server4u.cz
81.91.85.229	A	proreg.cz
81.91.85.240	PTR	unassigned-81-91-85-240.web4u.cz
81.91.85.240	A	collectora.name
81.91.85.240	A	vs438.server4u.cz
81.91.85.242	PTR	vs783.server4u.cz
81.91.85.243	PTR	unassigned-81-91-85-243.web4u.cz
81.91.86.0	PTR	web4u-net-81-91-86-0.web4u.cz
81.91.86.1	A	mailista.com
81.91.86.7	A	www-relay.web4u.cz
81.91.86.8	A	www-relay2.web4u.cz
81.91.86.9	A	www-relay3.web4u.cz
81.91.86.11	A	leasing-elektromobil.cz
81.91.86.11	A	hlidacek.cz
81.91.86.11	A	mx-gw-2.web4u.cz
81.91.86.12	A	www.spdrazice.cz
81.91.86.13	A	kakulin.cz
81.91.86.13	A	mydeco.cz
81.91.86.14	A	ondrejlinha.com
81.91.86.16	PTR	dns1.web4u.cz
81.91.86.16	A	2ksys.com
81.91.86.16	A	2ksys.cz
81.91.86.19	PTR	www.web4u.cz
81.91.86.19	A	counter.prohledat.cz
81.91.86.19	A	prohledat.cz
81.91.86.20	A	mailadmin.admis.cz
81.91.86.27	A	asp4you.cz
81.91.86.32	A+PTR	www.bbuoty.cz
81.91.86.32	A	bbuoty.cz
81.91.86.32	A	*.bbuoty.cz
81.91.86.33	A	www.b4b-inkasso.com
81.91.86.48	A	*.fcc.cz
81.91.86.48	A	www.fcc.cz
81.91.86.51	A+PTR	www.srovnavac.cz
81.91.86.51	A	srovnavac.cz
81.91.86.65	A	centrum-cernymost.cz
81.91.86.66	PTR	www.gfp-makler.cz
81.91.86.70	A	dyntech.cz
81.91.86.100	A	dns1.web4u.cz
81.91.86.199	A	kakulin.cz
81.91.86.208	PTR	unassigned-81-91-86-208.web4u.cz
81.91.86.227	PTR	unassigned-81-91-86-227.web4u.cz
81.91.86.251	A	lb1.web4u.cz
81.91.86.252	A	lb2.web4u.cz
81.91.87.0	PTR	web4u-net-81-91-87-0.web4u.cz
81.91.87.0	A	hlidacek.cz
81.91.87.1	PTR	unassigned-81-91-87-1.web4u.cz
81.91.87.5	A	mail4u-autoconf.web4u.cz
81.91.87.7	A	mailadmin.web4u.cz
81.91.87.7	A	mailadmin.admis.cz
81.91.87.10	A	mail.helpdeskweb4u.cz
81.91.87.12	A	smtp2.web4u.cz
81.91.87.13	A	smtp3.web4u.cz
81.91.87.16	PTR	dns2.web4u.cz
81.91.87.19	A+PTR	ftp.web4u.cz
81.91.87.19	A	ftp.year2100.eu
81.91.87.19	A	ftp.rychlydrat.cz
81.91.87.50	PTR	unassigned-81-91-87-50.web4u.cz
81.91.87.50	A	ns.tni.cz
81.91.87.50	A	ns.web4u.eu
81.91.87.51	PTR	sql.web4u.cz
81.91.87.72	A	mx-gw-2.web4u.cz
81.91.87.78	A	mail.helpdeskweb4u.cz
81.91.87.78	A	mail.helpdeskweb4u.com
81.91.87.78	A	mail-ng.web4u.cz
81.91.87.82	PTR	unassigned-81-91-87-82.web4u.cz
81.91.87.82	A	smtp2.web4u.cz
81.91.87.83	A	smtp3.web4u.cz
81.91.87.84	A	smtp4.web4u.cz
81.91.87.88	A	kmetova.cz
81.91.87.89	A	kmetova.cz
81.91.87.100	A	dns2.web4u.cz
81.91.87.103	A	mail.sfepy.org
81.91.87.144	PTR	unassigned-81-91-87-144.web4u.cz
81.91.87.155	A	mail.raistooza.cz
81.91.87.170	A	sql4.web4u.cz
81.91.87.170	A	*.web4free.cz
81.91.87.170	A	web4free.cz
81.91.87.183	A	sql9-master.web4u.cz
81.91.87.192	A+PTR	sql12-master.web4u.cz
81.91.87.208	A	devat.web4u.cz
81.91.87.223	A	vsooffice.web4u.cz
81.91.87.223	A	ooffice.web4u.cz
81.91.87.229	A	jabber.web4u.cz
81.91.87.229	A	giltab.com
81.91.87.229	A	im.web4u.cz
81.91.87.232	A	prahax.web4u.cz
81.91.87.250	A	nagios-new.web4u.cz
81.91.87.250	A	zabbix.web4u.cz
81.91.87.250	A	zabbix.server4u.cz
81.91.87.251	A	reboot.server4u.cz
81.91.88.0	PTR	unassigned-0-0-0-0.web4u.cz
81.91.88.6	A	ftpaspnet.web4u.cz
81.91.88.8	A	2ksys.com
81.91.88.8	A	merci-club.com
81.91.88.8	A	rvak.net
81.91.88.12	A	2ksys.cz
81.91.88.19	A	wda.aspnet.web4u.cz
81.91.88.105	A	ubytovani-servis.cz
81.91.89.0	PTR	unassigned-0-0-0-0.web4u.cz
81.91.89.9	A	mail.biosfera.sk
81.91.89.17	A	vw109.asp4u.cz
81.91.89.21	A	fbodnar.com
81.91.89.21	A	fbodnar.cz
81.91.89.33	PTR	lion-helicopters.cz
81.91.89.33	A	helipilot.eu
81.91.89.33	A	www.lion-helicopters.eu
81.91.89.34	PTR	vw168-2.asp4u.cz
81.91.89.34	A	mail.lionhelicopters.cz
81.91.89.50	A	temp.pux.cz
81.91.89.58	A	quercus-shop.cz
81.91.89.59	A	quercus-shop.at
81.91.89.60	A	www.typocon.sk
81.91.89.74	A	www.wapro.cz
81.91.89.74	A	www.mbs25.cz
81.91.89.74	A	mbs25.com
81.91.89.80	A	dotinfo.cz
81.91.89.97	A	mail.zobraz.it
81.91.89.98	A	romanklimes.cz
81.91.89.98	A	restaurace-brno.com
81.91.89.98	A	gourmet-fest.cz
81.91.89.212	A	php-cec.bohemiaenergy.cz
81.91.89.212	A	bohemiaenergy.com
81.91.89.213	A	kancelar2.bohemiaenergy.cz
81.91.90.0	PTR	unassigned-0.90.91.81.in-addr.arpa
81.91.90.4	A	z159.server4u.cz
81.91.90.7	A	www.elewood.cz
81.91.90.7	A	metalgranit.com
81.91.90.7	A	www.cmtex.cz
81.91.90.17	A+PTR	gwm1.mailplus.cz
81.91.90.18	PTR	z159.server4u.cz
81.91.90.18	A	kunice.com
81.91.90.18	A	podpernstejnem.cz
81.91.90.25	A	holweka.com
81.91.90.25	A	superhard.cz
81.91.90.32	A	www.hydroizolace-elektroosmoza.cz
81.91.90.33	A	www.stredni-skola.cz
81.91.90.35	PTR	backmail.webglobal.cz
81.91.90.35	A	holweka.com
81.91.90.35	A	superhard.cz
81.91.90.40	A	www.cmtex.cz
81.91.90.50	PTR	unassigned-50.90.91.81.in-addr.arpa
81.91.90.55	A	mujoutlook.cz
81.91.91.0	PTR	virtual-server-vs50.91.91.81.in-addr.arpa
81.91.91.4	A	cesky-stavitel.cz
81.91.91.4	A	medicalm.cz
81.91.91.4	A	mx.elektricke-topeni.info
81.91.91.16	A+PTR	bontonfilm-web.server4u.cz
81.91.91.16	A	italiedoskrine.cz
81.91.91.16	A	bontonfilm.cz
81.91.91.18	PTR	virtual-server-vs518.91.91.81.in-addr.arpa
81.91.91.19	PTR	web4shop-db.server4u.cz
81.91.91.34	PTR	virtual-server-vs534.91.91.81.in-addr.arpa
81.91.91.34	A	exprestoner.sk
81.91.91.34	A	tonerpartner.cz
81.91.91.35	PTR	virtual-server-vs535.91.91.81.in-addr.arpa
81.91.91.52	A	rbp-213.com
81.91.91.52	A	my-213.com
81.91.91.52	A	rbp213.com
81.91.91.64	PTR	server-04.exh.cz
81.91.91.64	A	lisoconsulting.com
81.91.91.64	A	diamond-bond.com
81.91.91.81	PTR	virtual-server-vs581.91.91.81.in-addr.arpa
81.91.91.81	A	kde-se-najim.cz
81.91.91.81	A	eria.cz
81.91.91.88	A	xm.cz
81.91.91.89	A	xm.cz
81.91.91.91	A	oohmedia.cz
81.91.91.99	PTR	virtual-server-vs599.91.91.81.in-addr.arpa
81.91.91.99	A	xm.cz
81.91.92.0	PTR	virtual-server-60.92.91.81.in-addr.arpa
81.91.92.5	A	www.ondrejlinha.com
81.91.92.5	A	mail.ondrejlinha.com
81.91.92.5	A	ondrejlinha.com
81.91.92.6	A	drevodomky.com
81.91.92.16	A	hke.eu
81.91.92.16	A	www.auditech.cz
81.91.92.16	A	auditech.cz
81.91.92.17	PTR	vs835.server4u.cz
81.91.92.17	A	t-tutorials.com
81.91.92.18	PTR	vs828.server4u.cz
81.91.92.19	PTR	vs1120.server4u.cz
81.91.92.21	A	pop3.cvkbrno.cz
81.91.92.21	A	mail.h46.cz
81.91.92.21	A	smtp.cvkbrno.cz
81.91.92.32	PTR	www.tanecni-podlozky.cz
81.91.92.32	A	ine.cz
81.91.92.32	A	mail2.jansoukup.cz
81.91.92.33	A	vprojekt.com
81.91.92.33	A	brno-byty.com
81.91.92.34	PTR	vs843.server4u.cz
81.91.92.35	PTR	kukacka.cz
81.91.92.37	A	ine.cz
81.91.92.49	PTR	zasilkovna.server4u.cz
81.91.92.49	A	www.coletaria.ro
81.91.92.49	A	zaza.sk
81.91.92.64	PTR	vs865.server4u.cz
81.91.92.64	A	mx.akmholding.com
81.91.92.64	A	mail.seniortv.cz
81.91.92.65	PTR	vs1056.server4u.cz
81.91.92.80	A+PTR	m158.server4u.cz
81.91.92.80	A	klhvajgar.cz
81.91.92.80	A	yesparfemy.cz
81.91.92.82	PTR	rafc.wejn.org
81.91.92.83	PTR	vs1049.server4u.cz
81.91.92.96	PTR	vs894.server4u.cz
81.91.92.96	A	mail.czpodium.cz
81.91.92.96	A	mail.farma-hedecko.cz
81.91.92.97	PTR	vs899.server4u.cz
81.91.92.98	PTR	ifp.cz
81.91.92.99	PTR	vs1037.server4u.cz
81.91.92.111	A	email.artep.cz
81.91.92.113	A+PTR	mail.zlabek.com
81.91.92.113	A	mail.greenhome.cz
81.91.92.113	A	mail.florbal-plzen.cz
81.91.92.114	PTR	virtual-server-6114.92.91.81.in-addr.arpa
81.91.92.115	PTR	virtual-server-6115.92.91.81.in-addr.arpa
81.91.92.128	A	millebaci.sk
81.91.92.129	A	notedisc.com
81.91.92.131	PTR	virtual-server-6131.92.91.81.in-addr.arpa
81.91.92.131	A	mail.lecivyobchod.cz
81.91.92.131	A	mail.pension-bohemia.cz
81.91.92.135	A	mail.kampocesku.eu
81.91.92.135	A	stopypredku.cz
81.91.92.136	A	vprojekt.com
81.91.92.144	PTR	vs1164.server4u.cz
81.91.92.144	A	mail.kampocesku.eu
81.91.92.144	A	www.zspjablonne.cz
81.91.92.145	PTR	virtual-server-6145.92.91.81.in-addr.arpa
81.91.92.147	PTR	virtual-server-6147.92.91.81.in-addr.arpa
81.91.92.160	PTR	virtual-server-6160.92.91.81.in-addr.arpa
81.91.92.160	A	mail.xym.cz
81.91.92.160	A	vssklenar.server4u.cz
81.91.92.161	PTR	virtual-server-6161.92.91.81.in-addr.arpa
81.91.92.162	PTR	fb.websites.cz
81.91.92.176	PTR	vs1060.server4u.cz
81.91.92.176	A	autoskolakrnov.cz
81.91.92.176	A	palivovedrevoostrava.com
81.91.92.177	PTR	vs992.server4u.cz
81.91.92.179	PTR	virtual-server-6179.92.91.81.in-addr.arpa
81.91.92.182	A	mail.rybnikar.org
81.91.92.182	A	mail.academici.cz
81.91.92.182	A	mail.educatus.cz
81.91.92.192	PTR	virtual-server-6192.92.91.81.in-addr.arpa
81.91.92.192	A	*.czechtravelagency.cz
81.91.92.192	A	mailin.czechtravelagency.com
81.91.92.195	PTR	vs1171.server4u.cz
81.91.92.208	PTR	unassigned-81-91-92-208.web4u.cz
81.91.92.208	A	www.dowyoutube.com
81.91.92.208	A	watchonlinescore.com
81.91.92.210	PTR	m178.server4u.cz
81.91.92.219	A	mail.technickaspravanemovitosti.cz
81.91.92.225	PTR	vs1145.server4u.cz
81.91.92.225	A	eurosystemy.eu
81.91.92.225	A	ucetnictvi-spolehlive.cz
81.91.92.226	PTR	unassigned-81-91-92-226.web4u.cz
81.91.92.242	A	vs1158.server4u.cz
81.91.92.242	A	vojthor.com
81.91.92.243	PTR	unassigned-81-91-92-243.web4u.cz
81.91.92.243	A	matidal.cz
81.91.92.243	A	www.mailisimo.cz
81.91.93.0	PTR	virtual-server-70.93.91.81.in-addr.arpa
81.91.94.0	PTR	virtual-server-80.94.91.81.in-addr.arpa
81.91.94.255	PTR	virtual-server-8255.94.91.81.in-addr.arpa
81.91.95.0	PTR	r1.web4u.cz
81.91.95.63	PTR	virtual-server-963.95.91.81.in-addr.arpa
81.91.95.64	PTR	virtual-server-964.95.91.81.in-addr.arpa
81.91.95.69	A+PTR	www.kosmas.cz
81.91.95.69	A	*.argo.cz
81.91.95.69	A	*.kosmas.cz
81.91.95.72	PTR	unassigned-81-91-95-72.web4u.cz
81.91.95.79	PTR	virtual-server-979.95.91.81.in-addr.arpa
81.91.95.80	PTR	virtual-server-980.95.91.81.in-addr.arpa
81.91.95.98	A	kvm1.web4u.cz
81.91.95.114	A	praha.web4u.cz
81.91.95.127	PTR	virtual-server-9127.95.91.81.in-addr.arpa
81.91.95.255	PTR	virtual-server-9255.95.91.81.in-addr.arpa