Robtex

Up: 82.208.40.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 82.208.42.0/24
Down right: 82.208.43.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
82.208.42.0	PTR	net-82-208-42-000.casablanca.cz
82.208.42.56	A	praha.sherwoodmedia.cz
82.208.42.56	A	gateway.sherwoodmedia.cz
82.208.42.79	PTR	unassigned-82-208-42-079.casablanca.cz
82.208.42.105	A	utrans.casablanca.cz
82.208.42.110	A	utrans-zlicin.casablanca.cz
82.208.42.140	PTR	unassigned-82-208-42-140.casablanca.cz
82.208.43.0	PTR	casablanca-net.casablanca.cz
82.208.43.17	A+PTR	fw.halfen-deha.cz
82.208.43.17	A	posta.aqua-plast.cz
82.208.43.17	A	posta.netfly.cz
82.208.43.19	PTR	assigned-82-208-43-019.casablanca.cz
82.208.43.19	A	cfix.cz
82.208.43.33	A+PTR	mail.manpraha.cz
82.208.43.63	PTR	bcast-82-208-43-063.casablanca.cz
82.208.43.64	PTR	assigned-82-208-43-064.casablanca.cz
82.208.43.65	A+PTR	posta.creasoft.cz
82.208.43.65	A	crdev.creasoft.cz
82.208.43.65	A	pop3.creasoft.cz
82.208.43.67	A	intrapoint.net
82.208.43.71	PTR	assigned-82-208-43-071.casablanca.cz
82.208.43.72	PTR	net-082-208-043-072.casablanca.cz
82.208.43.73	PTR	mail.codan-agentura.com
82.208.43.89	PTR	assigned-82-208-43-089.casablanca.cz
82.208.43.97	A	mailback.vinconsult.cz
82.208.43.97	A	mail.vinconsult.cz
82.208.43.105	A	extranet.brotel.cz
82.208.43.113	A	mx01-mailgate.kjj.cz
82.208.43.121	A+PTR	skola.kjj.cz
82.208.43.122	A+PTR	mail.student.kjj.cz
82.208.43.122	A	student.kjj.cz
82.208.43.123	PTR	portal.kjj.cz
82.208.43.123	A	crl.kjj.cz
82.208.43.123	A	moodle.kjj.cz
82.208.43.124	A	monitor.kjj.cz
82.208.43.125	A+PTR	sip-proxy.kjj.cz
82.208.43.145	A+PTR	office.hosting90.cz
82.208.43.147	PTR	assigned-82-208-43-147.casablanca.cz
82.208.43.158	A	ima-gw.casablanca.cz
82.208.43.161	A+PTR	smtp.nfp.cz
82.208.43.165	PTR	assigned-82-208-43-165.casablanca.cz
82.208.43.165	A	holandskynabytek.pba.cz
82.208.43.202	PTR	assigned-82-208-43-202.casablanca.cz
82.208.43.202	A	kariera.casablanca.cz
82.208.43.217	A+PTR	xb1.studiobeep.cz
82.208.43.217	A	studiobeep.cz
82.208.43.217	A	smart-yummies.com
82.208.43.220	A+PTR	mail.spoon.cz
82.208.43.220	A	mail.port58.cz
82.208.43.233	PTR	lab.budanka.cz
82.208.43.249	PTR	tr-prakab-bb.cust.casablanca.cz
82.208.43.249	A	mail.zsbrigadniku.cz
82.208.43.249	A	bubak.zsbrigadniku.cz