Robtex

Up: 82.208.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 82.208.52.0/23
Down right: 82.208.54.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
82.208.52.1	PTR	unassigned-82-208-52-001.wia.cz
82.208.52.1	A	bit9.cz
82.208.52.1	A	freedivision.cz
82.208.52.10	PTR	server.lbd8.cz
82.208.52.12	A+PTR	mail.freedivision.com
82.208.52.12	A	mail.freedivision.sk
82.208.52.12	A	mail.freedivision.eu
82.208.52.17	A	wr2.rkstaviva.cz
82.208.52.19	A+PTR	connect1.rkstaviva.cz
82.208.52.51	PTR	unassigned-82-208-52-51.casablanca.cz
82.208.52.70	A+PTR	mx.vszdrav.cz
82.208.52.146	PTR	assigned-82-208-52-146.casablanca.cz
82.208.52.152	PTR	assigned-82-208-52-152.casablanca.cz
82.208.52.152	A	datoux.com
82.208.52.152	A	turecek.info
82.208.52.156	A	bistraw.cz
82.208.52.162	A	zeus.totalservice.cz
82.208.52.167	PTR	assigned-82-208-52-167.casablanca.cz
82.208.52.167	A	mail.chp.cz
82.208.52.167	A	colonialclub.org
82.208.52.182	PTR	assigned-82-208-52-182.casablanca.cz
82.208.52.193	A	mail2.abf.cz
82.208.52.209	PTR	backup.zsgutova.cz
82.208.52.211	A	freebsd.zsgutova.cz
82.208.52.212	A+PTR	www.zsgutova.cz
82.208.52.212	A	threemuffins.com
82.208.52.212	A	kolkas.cz
82.208.52.217	PTR	assigned-82-208-52-217.casablanca.cz
82.208.52.217	A	az-man.cz
82.208.52.217	A	mail.supcz.eu
82.208.53.0	PTR	casablanca-net.casablanca.cz
82.208.53.31	PTR	assigned-82-208-53-031.casablanca.cz
82.208.53.40	PTR	assigned-82-208-53-040.casablanca.cz
82.208.53.140	PTR	assigned-82-208-53-140.casablanca.cz
82.208.53.193	PTR	assigned-82-208-53-193.casablanca.cz
82.208.53.196	PTR	assigned-82-208-53-196.casablanca.cz
82.208.54.2	PTR	assigned-82-208-54-2.casablanca.cz
82.208.54.2	A	drahota.eu
82.208.54.2	A	hosting.netteam.cz
82.208.55.0	PTR	casablanca-net.casablanca.cz
82.208.55.35	A+PTR	mail.ggg.cz
82.208.55.51	PTR	assigned-82-208-55-051.casablanca.cz
82.208.55.51	A	christii.ccomp.cz
82.208.55.65	A+PTR	mail.secheron.cz
82.208.55.66	PTR	assigned-82-208-55-066.casablanca.cz
82.208.55.66	A	mx1.secheron.cz
82.208.55.66	A	vpn.secheron.cz
82.208.55.68	A+PTR	mail.secheron.cz
82.208.55.68	A	mx2.secheron.cz
82.208.55.73	PTR	bozena.corenet.cz
82.208.55.73	A	dns.place4u.cz
82.208.55.77	PTR	assigned-82-208-55-077.casablanca.cz
82.208.55.77	A	netmobil.cz
82.208.55.77	A	msms.cz
82.208.55.121	A	mail2.csdata.cz
82.208.55.137	A	mail.centropen.cz
82.208.55.147	A+PTR	mx1.aklang.com
82.208.55.169	A+PTR	fantomas.gordion.cz
82.208.55.169	A+PTR	mail.gordion.cz
82.208.55.169	A	mail.gordionservices.com
82.208.55.171	A+PTR	mgw2.gordion.cz
82.208.55.194	PTR	assigned-82-208-55-194.casablanca.cz
82.208.55.225	A+PTR	server.primaska.cz