Robtex

Up: 213.235.128.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 213.235.128.0/19
Down right: 213.235.160.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
213.235.128.2	A+PTR	ns2.its.cz
213.235.128.2	A	ns3.its.cz
213.235.128.3	PTR	earlygate-02.its.cz
213.235.128.3	A	earlygate-03.its.cz
213.235.128.3	A	earlygate-04.its.cz
213.235.129.2	PTR	ns2.its.cz
213.235.130.2	PTR	ns2.its.cz
213.235.131.2	PTR	ns2.its.cz
213.235.132.2	A+PTR	mx3.eei.cz
213.235.132.2	A	nt3.nt3.eei.cz
213.235.132.2	A	eeinet.cz
213.235.132.4	PTR	mx4.eei.cz
213.235.132.4	A	eei.cz
213.235.132.180	A	eei.cz
213.235.132.182	PTR	nat2.eei.cz
213.235.132.183	A	ts01.eei.cz
213.235.133.133	PTR	www.ticketstream.cz
213.235.133.138	PTR	ns2.ignum.cz
213.235.133.138	A	ns2.cvancara.cz
213.235.133.204	PTR	exchange.omnicon.cz
213.235.133.206	A	malovanekvetinace.cz
213.235.133.220	PTR	prisera.lupi.cz
213.235.133.220	A	ftcminer.cz
213.235.133.220	A	martin.lipinsky.cz
213.235.134.6	A+PTR	ns1.eei.cz
213.235.134.6	A	ns1.eeinet.cz
213.235.135.38	A+PTR	dorvalla.tiscali.cz
213.235.135.38	A	radius1.tiscali.cz
213.235.135.39	A+PTR	dorvalla.tiscali.cz
213.235.135.39	A	radius2.tiscali.cz
213.235.135.40	A	rutan.tiscali.cz
213.235.135.69	PTR	nzoth.tiscali.cz
213.235.140.7	PTR	host-213-235-140-7.ip.topnet.cz
213.235.140.14	PTR	host-213-235-140-14.ip.topnet.cz
213.235.140.107	A+PTR	host-213-235-140-107.ip.topnet.cz
213.235.140.132	A+PTR	host-213-235-140-132.ip.topnet.cz
213.235.142.4	PTR	host-213-235-142-4.ip.topnet.cz
213.235.142.22	PTR	host-213-235-142-22.ip.topnet.cz
213.235.142.34	A+PTR	host-213-235-142-34.ip.topnet.cz
213.235.142.45	A+PTR	host-213-235-142-45.ip.topnet.cz
213.235.142.96	PTR	host-213-235-142-96.ip.topnet.cz
213.235.144.1	A+PTR	gw1.eei.cz
213.235.144.2	PTR	rl2.eei.cz
213.235.144.10	PTR	nat10.eei.cz
213.235.149.155	A	www.aquaindustrial.cz
213.235.149.155	A	smtp.2enet.cz
213.235.149.155	A	ns1.2enet.cz
213.235.153.1	PTR	olm-gw-fu.2enet.cz
213.235.153.8	A	153olm-8.2enet.cz
213.235.153.9	A	153olm-9.2enet.cz
213.235.153.10	A	153olm-10.2enet.cz
213.235.153.11	A	153olm-11.2enet.cz
213.235.153.64	A	153olm-64.2enet.cz
213.235.153.65	A	153olm-65.2enet.cz
213.235.153.66	A	153olm-66.2enet.cz
213.235.153.67	A	153olm-67.2enet.cz
213.235.153.128	A	153olm-128.2enet.cz
213.235.153.130	A	153olm-130.2enet.cz
213.235.153.131	A	153olm-131.2enet.cz
213.235.153.132	A	153olm-132.2enet.cz
213.235.153.192	A	153olm-192.2enet.cz
213.235.153.193	A	153olm-193.2enet.cz
213.235.153.194	A	153olm-194.2enet.cz
213.235.153.195	A	153olm-195.2enet.cz
213.235.156.4	A	provoz.szdc.cz
213.235.156.13	A	mail.oltisgroup.pl
213.235.156.13	A	www.oltisgroup.pl
213.235.156.13	A	www.irfc.eu
213.235.156.35	A	www.oltisgroup.pl
213.235.160.118	A	jacques.ro
213.235.165.1	A	nb7.nbknet.cz
213.235.165.77	A	pc077.nb7.nbknet.cz
213.235.168.6	A	ns.nachod-net.com
213.235.171.45	A	mail.myska.cz
213.235.171.227	A+PTR	web.botas.cz
213.235.176.102	A	gateway.remapvsystem.cz
213.235.176.130	A	pe3k.cz
213.235.176.150	A	serverdoma.helland.cz
213.235.176.243	A+PTR	nadoma.net
213.235.176.243	A	*.nadoma.net
213.235.176.243	A	hostivice.nadoma.net
213.235.177.255	PTR	7255.dialognet.cz
213.235.178.128	A	zlicin.soliver.cz
213.235.183.10	A	homebox.cz
213.235.183.82	A	posta.ups-cz.cz
213.235.184.65	A+PTR	gw.wlan-2a.dobruska.cz
213.235.184.70	A	host-70.wlan-2a.dobruska.cz
213.235.184.78	A	host-78.wlan-2a.dobruska.cz
213.235.184.90	A	host-90.wlan-2a.dobruska.cz
213.235.185.130	A	mail.grano.cz
213.235.186.1	A	amseth.fxnet.cz
213.235.186.2	A+PTR	static-213-235-186-2.ktkadan.cz
213.235.186.4	A+PTR	static-213-235-186-4.ktkadan.cz
213.235.186.4	A	usirew.fxnet.cz
213.235.186.64	A	core-213-235-186-064.fxnet.cz
213.235.186.65	A	core-213-235-186-065.fxnet.cz
213.235.186.66	A	core-213-235-186-066.fxnet.cz
213.235.186.67	A	core-213-235-186-067.fxnet.cz
213.235.186.128	A	core-213-235-186-128.fxnet.cz
213.235.186.129	A	core-213-235-186-129.fxnet.cz
213.235.186.130	A	core-213-235-186-130.fxnet.cz
213.235.186.131	A	core-213-235-186-131.fxnet.cz
213.235.186.192	A	core-213-235-186-192.fxnet.cz
213.235.186.193	A	core-213-235-186-193.fxnet.cz
213.235.186.194	A	core-213-235-186-194.fxnet.cz
213.235.186.195	A	core-213-235-186-195.fxnet.cz
213.235.187.4	A+PTR	static-213-235-187-4.ktkadan.cz
213.235.187.5	A+PTR	static-213-235-187-5.ktkadan.cz
213.235.187.187	PTR	mail.1zskadan.cz
213.235.188.28	A+PTR	static-213-235-188-28.ktkadan.cz
213.235.188.200	A+PTR	static-213-235-188-200.ktkadan.cz
213.235.189.24	A+PTR	static-213-235-189-24.ktkadan.cz
213.235.189.41	A+PTR	static-213-235-189-41.ktkadan.cz
213.235.190.66	A	realdeaz4you.club
213.235.190.66	A	cybercommunicationsthurspromo.com
213.235.190.66	A	fortehpurposeofmarketing.com