Robtex

Up: 31.47.96.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 31.47.104.0/22
Down right: 31.47.108.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.47.104.1	A	gw1.hanafree.net
31.47.104.2	A+PTR	phoenix.hanafree.net
31.47.104.2	A	mail.zsprikazy.cz
31.47.104.2	A	hanafree.net
31.47.104.10	A+PTR	ns1.hanafree.net
31.47.104.19	PTR	ip019.gw1.hanafree.net
31.47.104.20	A	ns2.hanafree.net
31.47.104.232	PTR	ip232.gw1.hanafree.net
31.47.105.67	A	racingbeauty.com
31.47.105.67	A	www.alphahollywoodstudios.com
31.47.105.67	A	scienceandtechnologypark.cz
31.47.105.76	A	veverka.walk.cz
31.47.105.85	A	mail.korecky.cz
31.47.105.88	A	nemocnice.svjiri.cz
31.47.105.88	A	mail.svjiri.cz
31.47.105.99	A	mail.somaxplus.cz
31.47.105.99	A	litice.somaxplus.cz
31.47.105.103	A	staif-gw.elektrom.cz
31.47.105.103	A	gw2.elektrom.cz
31.47.105.109	A	mail.varnea.cz
31.47.105.109	A	wifi.varnea.cz
31.47.105.130	A+PTR	cd-net.org
31.47.105.130	PTR	ns.cd-net.org
31.47.105.131	A	forum.cd-net.org
31.47.105.132	A+PTR	mail.cd-net.org
31.47.105.192	A	server.f-tisk.cz
31.47.105.199	A	mysterymall.cz
31.47.105.199	A	destinydistribution.cz
31.47.105.199	A	*.bench.cz
31.47.105.209	A	webmail.e-apollo.cz
31.47.106.20	A	vcelarum.cz
31.47.106.146	A	mail.ocelit.cz
31.47.106.150	A	khkonvert.cz
31.47.106.152	A+PTR	mail.vatax.cz
31.47.106.152	A	vatax.cz
31.47.106.156	A	mail.khkonvert.cz
31.47.106.159	PTR	mail.componentamoravia.cz
31.47.106.159	A	componentamoravia.cz
31.47.106.160	A+PTR	backup.khkonvert.cz
31.47.106.172	A	backup.jpplast.eu
31.47.106.173	A	mail.medinox.cz
31.47.106.176	A	mail.pm-studio.cz
31.47.106.178	A+PTR	mail.byastrade.cz
31.47.106.179	A	backup.flextron.cz
31.47.106.190	PTR	mail.dacom.cz
31.47.106.190	A	mail.dcmcollagen.cz
31.47.106.236	A+PTR	mail.internetkyjov.cz
31.47.106.250	A	mail.projectcontrols.cz
31.47.107.11	A	helpeet.com
31.47.107.30	A+PTR	smtp.m-wifi.cz
31.47.107.65	A	mail.pm-studio.cz
31.47.107.83	A	mail.garfen.cz
31.47.108.4	PTR	sledovanitv-shir-108-4.freetel.cz
31.47.108.6	A	sledovanitv.sk
31.47.108.6	A	yotvchannels.com
31.47.108.20	PTR	adm.silc.cz
31.47.108.20	A	acmik.org
31.47.108.20	A	silc.cz
31.47.108.22	PTR	mad.krakenuv.net
31.47.108.23	PTR	pathfinder.danysek.cz
31.47.108.33	PTR	cra-ex-vl1518.freetel.cz
31.47.108.65	PTR	host-108-65.morkovice.net
31.47.108.65	A	54-216-ip.morkovice.net
31.47.108.65	A	41-216-ip.morkovice.net
31.47.108.79	PTR	host-108-79.morkovice.net
31.47.108.79	A	www.fimon.cz
31.47.108.79	A	fimon.cz
31.47.108.89	A	inernes.com
31.47.108.95	A	proxy.hanhart.cz