Robtex

Up: 212.23.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 212.23.240.0/21
Down right: 212.23.248.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.23.240.193	PTR	se1-0-3.ar7.zrh.ch.colt.net
212.23.241.70	PTR	comgate-solutions.cpe.gva.ch.colt.net
212.23.241.90	A	rt01.gva.net.itguys.ch
212.23.241.197	PTR	bvi124.ar3.gva.ch.colt.net
212.23.242.126	PTR	hach-a.cpe.gva.ch.colt.net
212.23.242.193	PTR	bvi69.ar3.gva.ch.colt.net
212.23.242.209	PTR	multilink7.ar10.gva.ch.colt.net
212.23.243.27	PTR	nat.etat-ge.ch
212.23.243.130	PTR	mail.argotrade.ch
212.23.243.139	PTR	mail.ecosail.ch
212.23.243.140	A+PTR	mail.liberties.ch
212.23.243.141	A	ts.liberties.ch
212.23.243.148	A	mail.argotravel.ch
212.23.243.162	A	gateway.sdic.ch
212.23.243.164	A	mail.ngin.ch
212.23.243.166	A+PTR	public.sdic.ch
212.23.243.171	PTR	dns1.sdic.ch
212.23.243.172	PTR	dns2.sdic.ch
212.23.243.174	A	gobetonline.ch
212.23.243.176	A+PTR	mail2.sdic.ch
212.23.243.177	A+PTR	private.sdic.ch
212.23.243.180	PTR	mail.sdic.ch
212.23.243.180	A	mail.gobetonline.ch
212.23.243.180	A	mail.jessop.ch
212.23.243.181	PTR	www.sdic.ch
212.23.243.202	PTR	mx1.selvi.ch
212.23.243.202	A	danco.ch
212.23.243.202	A	mail.selvi.ch
212.23.243.226	A+PTR	mail.aborein.ch
212.23.243.251	A+PTR	mail.partnersadvisers.com
212.23.243.251	A	mail.advisers.ch
212.23.243.253	A	mail.trendtrust.com
212.23.244.6	A	mail.tui-reisecenter.ch
212.23.244.129	PTR	se3-0-6.ar4.zrh.ch.colt.net
212.23.244.138	PTR	cofex.cpe.zrh.ch.colt.net
212.23.244.177	PTR	se4-0-2.ar5.zrh.ch.colt.net
212.23.244.185	PTR	bvi30.ar3.zrh.ch.colt.net
212.23.245.4	PTR	server.mediaktiv.ch
212.23.245.34	PTR	mail.chance.ch
212.23.245.58	A+PTR	services.logismata.ch
212.23.245.62	PTR	ssl.consors.ch
212.23.245.67	PTR	vesta.mbczh.ch
212.23.245.74	PTR	mail.novitronic.ch
212.23.245.108	A	mxa-gw.repower.com
212.23.245.108	A	mxa-gw.plugnroll.com
212.23.245.122	A	ns1.goldbachmedia.com
212.23.245.146	A	mail.innodul.com
212.23.245.162	A	ns1.viseca.ch
212.23.245.165	A	ns2.viseca.ch
212.23.245.182	A	mailgw3.viseca.ch
212.23.245.183	A	mailgw4.viseca.ch
212.23.245.194	PTR	smtp.centric.ch
212.23.245.227	A+PTR	ch-olooffers.colt.net
212.23.246.18	A	reutax.co
212.23.246.43	A	smtpfailover.brainware.ch
212.23.246.100	A	novartis-hsg.ch
212.23.246.100	A	novartis-ethz.ch
212.23.246.100	A	novartis-unibasel.ch
212.23.246.118	A	dod.aabch.ch
212.23.246.123	A	mail.neopost.ch
212.23.246.156	A+PTR	esa01.valartis.ch
212.23.246.156	A	esa01.valartis.org
212.23.246.156	A	esa01.valartis.com
212.23.246.157	A	esa02.valartis.org
212.23.246.180	PTR	mail.sinfox.com
212.23.246.181	A+PTR	mail.swissproviders.ch
212.23.246.203	PTR	mx2.deka.ch
212.23.246.203	PTR	mx2.dekabank.ch
212.23.246.218	A	mail.amtrading.ch
212.23.246.218	A	mail.amtc.ch
212.23.246.242	PTR	mx1.infrassure.com
212.23.248.45	A	mail.tankerpacific.com
212.23.248.46	A	mail2.tankerpacific.com
212.23.248.86	A	mail.stcorp.ch
212.23.248.86	A	mail.partifina.ch
212.23.248.86	A	mail.partifina.com
212.23.248.97	A	breitlingusa.us
212.23.248.97	A	breitlingusa.com
212.23.248.97	A	www.breitlingusa.com
212.23.248.129	A	mail1.bpdg.ch
212.23.248.129	A	mail.bpdg.ch
212.23.248.151	PTR	mail2.addaxpetroleum.com
212.23.248.153	A	mail.addhopefoundation.org
212.23.248.153	A	mail.addaxconsultants.com
212.23.248.153	A	mail.cm.addhopefoundation.org
212.23.248.178	A	mail.inkass.ch
212.23.248.178	A	mail.inkassostelle.ch
212.23.248.178	A	mail.inkas.ch
212.23.248.180	A	www.inkas.ch
212.23.248.242	A	mail.eurolines.ch
212.23.249.24	PTR	mail.nbksuisse.com
212.23.249.25	PTR	owa.nbksuisse.com
212.23.249.94	PTR	gate.actuafilms.com
212.23.249.94	A	mail.actuafilms.com
212.23.249.94	A	mail.actuapr.tv
212.23.249.100	PTR	mail.peterlang.com
212.23.249.120	A+PTR	mail.peterlang.com
212.23.249.120	A	ns2.peterlang.com
212.23.249.121	A	www.peterlang.net
212.23.249.121	A	peterlang.es
212.23.249.138	A+PTR	mail.dndi.org
212.23.249.138	A	dndimail.dndi.org
212.23.249.138	A	webmail.dndi.org
212.23.249.140	PTR	mail.dndi.org
212.23.249.142	PTR	webmail.dndi.org
212.23.249.146	PTR	gva-fw.hasa.ch
212.23.249.149	PTR	cedre.hasa.ch
212.23.249.149	A	mail.hasa.ch
212.23.249.194	PTR	mail.butini.ch
212.23.249.228	PTR	mailout.eri.ch
212.23.249.229	PTR	milou.eri.ch
212.23.250.2	PTR	mail.finansbank.ch
212.23.250.18	PTR	mail.monticellotrust.com
212.23.250.19	A+PTR	mail.irr.ch
212.23.250.25	A	ns0.bger.ch
212.23.250.26	A	jurivoc.bger.ch
212.23.250.42	PTR	78078.smsbox.ch
212.23.250.42	A+PTR	mail.smsbox.ch
212.23.250.42	A+PTR	pro.smsbox.ch
212.23.250.43	A	www.mobileblog.ch
212.23.250.50	A	webmail.antaes.ch
212.23.250.83	PTR	mail.geneva.msf.org
212.23.250.84	A	www2.iom.int
212.23.250.99	A+PTR	mail.hbs-sa.com
212.23.250.107	A+PTR	mail02.gva.hyposwiss.ch
212.23.250.114	A	srprojets.com
212.23.250.116	PTR	mail.testsro.ch
212.23.250.116	A	mail2.salamanca-trust.ch
212.23.250.116	A	mail2.salamanca-group.ch
212.23.250.131	A+PTR	mail.investectrust.ch
212.23.250.131	A	mail.radcliffes.ch
212.23.250.146	A+PTR	mail.baudet-lienhard.ch
212.23.250.146	A	mail.schneider-sanitaires.ch
212.23.250.146	A	mail.aschneider.ch
212.23.250.154	A	ip01.coges.com
212.23.250.195	PTR	mail.agefor.ch
212.23.250.195	PTR	mail.agefor.com
212.23.250.196	A+PTR	mail.agefor.ch
212.23.250.196	A	externe.agefor.ch
212.23.250.197	A	mail.palms-familyoffice.com
212.23.250.211	A+PTR	mail.mpsag.com
212.23.250.227	A+PTR	mail.idbs.ch
212.23.250.242	A	mail.hautprestigewines.com
212.23.250.243	PTR	sanamex.com
212.23.252.103	A	103.dialin1.gva.ch.colt.net
212.23.252.104	A	104.dialin1.gva.ch.colt.net
212.23.252.114	A+PTR	114.dialin1.gva.ch.colt.net
212.23.253.33	PTR	33.dialin2.gva.ch.colt.net
212.23.254.82	PTR	82.dialin1.zrh.ch.colt.net