Robtex

Up: 212.203.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 212.203.32.0/20
Down right: 212.203.48.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.203.32.11	A+PTR	ns1.leunet.ch
212.203.32.11	A	ns.leunet.ch
212.203.32.12	A+PTR	ns5.leunet.ch
212.203.32.15	A	ns2.thurnet.ch
212.203.32.48	A+PTR	ticket.multimediazentrum.ch
212.203.32.137	A	mars.leunet.ch
212.203.32.140	A+PTR	webserver1.leunet.ch
212.203.32.140	A	ns1.thurnet.ch
212.203.32.140	A	webserver1.thurnet.ch
212.203.32.155	A	mailmx.multimediazentrum.ch
212.203.32.161	A+PTR	nagios.leunet.ch
212.203.32.161	A	mailin.xn--herzog-kchen-klb.ch
212.203.32.164	A+PTR	idmsproxy.leunet.ch
212.203.32.200	A	syslog.schlatter.com
212.203.33.12	A+PTR	ns2.leunet.ch
212.203.33.12	A	*.priyarai.com
212.203.33.82	A	ubr6.leunet.ch
212.203.33.83	A	ubr5.leunet.ch
212.203.33.84	A	ubr7.leunet.ch
212.203.33.113	A+PTR	ns3.leunet.ch
212.203.33.113	A	kemmentaler-anzeiger.ch
212.203.33.113	A	lengwiler-ziitig.ch
212.203.33.181	PTR	ns2webserver1.leunet.ch
212.203.33.181	A	mail.faessler-transporte.ch
212.203.33.181	A	mail.progressnow.com
212.203.33.182	PTR	ns2webserver2.leunet.ch
212.203.33.183	PTR	ns2webserver3.leunet.ch
212.203.33.193	A	xn--vonrti-6ya.ch
212.203.33.227	A	msrv2.leunet.ch
212.203.33.228	A+PTR	msrv1.leunet.ch
212.203.33.231	A	mailmx.multimediazentrum.ch
212.203.33.231	A	mailin.leunet.ch
212.203.34.10	PTR	kerubim.slueoend.ch
212.203.34.10	PTR	mail.slueoend.ch
212.203.34.10	A	slueoend.ch
212.203.34.17	A	mail.pasta-premium.com
212.203.34.37	A	mail.zuby.ch
212.203.34.68	A	naag.biz
212.203.34.71	A	masora.dyndns.org
212.203.34.77	PTR	staticnet76.r1-ff.cmts1.leucom.ch
212.203.34.99	A	mail.az-bussnang.ch
212.203.34.110	PTR	www.confidentia.com
212.203.34.110	A	arcticandsea.com
212.203.34.110	A	xn--schrer-5ya.ch
212.203.34.131	A	mail.zuby.ch
212.203.34.131	A	zuby.ch
212.203.34.131	A	www.paerkli.ch
212.203.34.162	A	mailin.geiges-ag.ch
212.203.34.186	A	ns.eclavis.ch
212.203.34.186	A	ns2.eclavis.ch
212.203.34.234	A	mail.sibatron.com
212.203.35.26	A	lehmis.net
212.203.35.26	A	mail.nufantis.com
212.203.35.26	A	mail.irri-ag.ch
212.203.35.38	A	mail1.conil.ch
212.203.35.54	A	mx1.letrona.ch
212.203.35.54	A	mail.letrona.ch
212.203.35.58	A	fw1.kellermann.ch
212.203.35.166	A	mail.az-bussnang.ch
212.203.35.198	A	mail.pasta-premium.com
212.203.35.202	A	remote.meilitoys.ch
212.203.35.202	A	remote.meilitrading.ch
212.203.35.210	A	mail.murghof.ch
212.203.35.230	A	mailin.geiges-ag.ch
212.203.36.2	PTR	cust.dynamic.leunet.ch
212.203.36.128	PTR	cust.dynamic.leunet.ch
212.203.36.151	A	owa.swissmechanic.ch
212.203.36.210	A	gate.corvaglia.ch
212.203.37.2	PTR	cust.dynamic.leunet.ch
212.203.37.32	A	dc-8a77ea3f.fabricas.ch
212.203.37.32	A	mail.fabricas.ch
212.203.39.2	PTR	cust.dynamic.leunet.ch
212.203.40.6	A	lrs01.dyndns.org
212.203.40.212	A	03pgbqvspggv2dda.myfritz.net
212.203.41.170	A	hermann-engel.ch
212.203.41.191	A	bfmedia.homeftp.net
212.203.42.0	PTR	leunet-net-4.42.203.212.in-addr.arpa
212.203.43.29	A	fenu-radio.ddns.net
212.203.44.225	A	mail.schmidshof7.com
212.203.45.25	A	pork.ch
212.203.46.5	A	rmznet.ch
212.203.46.5	A	neiasnail.ch
212.203.46.37	A	makwork.synology.me
212.203.46.60	A	sibir.dyndns.org
212.203.46.61	A	mail.itis.ch
212.203.46.96	PTR	cust.dynamic.leunet.ch
212.203.46.141	A	rmznet.ch
212.203.46.245	A	asg1.pyroeffects.ch
212.203.47.87	A	masora.dyndns.org
212.203.47.103	A	asg1.pyroeffects.ch
212.203.48.16	A	lekkersnoep.nl
212.203.48.64	PTR	cust.dynamic.leunet.ch
212.203.48.187	A	lrs01.dyndns.org
212.203.48.194	PTR	cust.dynamic.leunet.ch
212.203.49.45	A	mail.cloudforce.ch
212.203.49.129	PTR	cust.dynamic.leunet.ch
212.203.50.59	A	myknox.ch
212.203.51.0	PTR	leunet-net-4.51.203.212.in-addr.arpa
212.203.51.37	A	cgn-pool-01-ip-05.leucom.ch
212.203.51.58	A	cgn-pool-01-ip-26.leucom.ch
212.203.51.103	A	intern.connective.biz
212.203.51.131	PTR	cust.dynamic.leunet.ch
212.203.52.33	PTR	cust.dynamic.leunet.ch
212.203.52.151	A	intern.connective.biz
212.203.52.225	A	patlab.ch
212.203.54.128	PTR	cust.dynamic.leunet.ch
212.203.55.32	PTR	cust.dynamic.leunet.ch
212.203.55.96	PTR	cust.dynamic.leunet.ch
212.203.57.35	PTR	cust.dynamic.leunet.ch
212.203.57.120	A	buwy.dyndns.org
212.203.58.49	A	lindra.de
212.203.58.65	PTR	cust.dynamic.leunet.ch
212.203.58.67	PTR	cust.dynamic.leunet.ch
212.203.58.67	A	aerne.selfhost.me
212.203.58.225	PTR	cust.dynamic.leunet.ch
212.203.59.91	A	dc-e7c271c8.kallisto.ch
212.203.59.91	A	dc-c051f0925d1b.kallisto.ch
212.203.60.13	A	huhu.ch
212.203.60.230	A	humard.ddns.net
212.203.62.99	PTR	cust.dynamic.leunet.ch
212.203.62.114	A	papa-schmitts.com
212.203.62.230	A	hansjwie.com
212.203.63.38	PTR	cust.dynamic.leunet.ch
212.203.63.63	PTR	cust.dynamic.leunet.ch
212.203.63.104	PTR	cust.dynamic.leunet.ch
212.203.63.111	PTR	cust.dynamic.leunet.ch
212.203.63.111	A	khongkhong.de
212.203.63.111	A	nguyentanthai.de
212.203.63.138	PTR	cust.dynamic.leunet.ch
212.203.63.138	A	schanzenbaecher.com