Robtex

Up: 212.28.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 212.28.128.0/20
Down right: 212.28.144.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.28.128.0	PTR	fix.128.28.212.vtx.ch
212.28.128.33	PTR	vtxrouter.metron.ch
212.28.128.35	PTR	ziger.seiz.ch
212.28.128.35	A	kostengarant.ch
212.28.128.68	A	bruggkabel.ch
212.28.128.138	A	gate.knecht.ch
212.28.129.99	PTR	br-d-99.agrinet.ch
212.28.131.245	A	www.mittagsmusik-gleis1.ch
212.28.131.245	A	mittagsmusik-gleis1.ch
212.28.131.245	A	metron.ch
212.28.135.1	PTR	fix.135.28.212.vtx.ch
212.28.136.98	PTR	mail.iveco.ch
212.28.136.173	A	gospelchor-rheinfelden.de
212.28.137.243	A	smtp.blutspende-aarau.ch
212.28.137.243	A	smtp.blutspende-ag-so.ch
212.28.137.244	A	smtp.krebsregister-aargau.com
212.28.137.244	A	smtp.krebsregister-aargau.ch
212.28.141.115	A	superfast-ferries.ch
212.28.141.115	A	flug-shop.ch
212.28.141.115	A	bluestarferries.ch
212.28.141.162	PTR	ubs.3way.ch
212.28.141.226	A	leunumismatik.com
212.28.142.1	PTR	fix.142.28.212.vtx.ch
212.28.142.128	PTR	fix.142.28.212.vtx.ch
212.28.142.155	A	legato-expertise.ch
212.28.142.157	A	panderra.ch
212.28.142.161	PTR	webi.agrinet.ch
212.28.142.161	A	i-technology.ch
212.28.143.34	A+PTR	b21mail.swissmilk.ch
212.28.143.66	A+PTR	proxy.reka.ch
212.28.143.68	A	mail.reka.ch
212.28.143.130	PTR	antispam.btag.ch
212.28.143.130	A+PTR	mail.btag.ch
212.28.143.130	A+PTR	mail.cobianchi.ch
212.28.143.164	A	ftp.cobianchi.ch
212.28.143.164	A	pop.cobianchi.ch
212.28.144.18	A	iis.swissmilk.ch
212.28.144.18	A	smp-dns.infopro.ch
212.28.144.22	A	mail2.raclettieren.ch
212.28.144.34	PTR	fix.144.28.212.vtx.ch
212.28.144.67	PTR	fix.144.28.212.vtx.ch
212.28.145.1	PTR	fix.145.28.212.vtx.ch
212.28.145.3	PTR	fix.145.28.212.vtx.ch
212.28.145.32	PTR	fix.145.28.212.vtx.ch
212.28.145.64	PTR	fix.145.28.212.vtx.ch
212.28.145.65	PTR	fix.145.28.212.vtx.ch
212.28.145.67	PTR	fix.145.28.212.vtx.ch
212.28.145.96	PTR	fix.145.28.212.vtx.ch
212.28.145.97	PTR	fix.145.28.212.vtx.ch
212.28.145.161	PTR	fix.145.28.212.vtx.ch
212.28.145.163	PTR	fix.145.28.212.vtx.ch
212.28.145.224	PTR	fix.145.28.212.vtx.ch
212.28.145.225	PTR	fix.145.28.212.vtx.ch
212.28.147.2	PTR	brglaudsp549a.agrinet.ch
212.28.147.67	PTR	customers.brugg.com
212.28.147.67	A+PTR	school.brugg.com
212.28.147.69	A	mail.brugg.com
212.28.147.100	A	kerio.brugg.com
212.28.147.100	A	mail.german-pipe.de
212.28.147.105	A	km.brugg.com
212.28.150.247	A	boasconsult.com
212.28.150.247	A	rd2b.ch
212.28.150.247	A	leantis.ch
212.28.151.5	A	webmail.archre.eu
212.28.152.2	PTR	mail.pilatus-aircraft.com
212.28.152.34	A+PTR	smtp.kcs.net
212.28.152.34	A	mail.sg.kcs.net
212.28.152.42	A	mailgate.kundert-ing.ch
212.28.152.52	A	vpn.105.ch
212.28.152.115	A	mail.roamer.ch
212.28.152.115	A	mail.pt-switzerland.com
212.28.152.115	A	mail.pe-timedesign.de
212.28.152.218	A	mail.casquettes.ch
212.28.152.218	A	mail.oa-openair.ch
212.28.152.218	A	mail.swisspromogroup.ch
212.28.153.254	A	mail.sbbarchiv.ch
212.28.154.100	A	berserker.ch
212.28.154.102	A	mail.lookinggood.ch
212.28.155.10	A	owa.agathon.ch