Robtex

Up: 81.7.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 81.7.224.0/21
Down right: 81.7.232.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.7.224.0	PTR	81-7-224-0.static.cablecom.net
81.7.224.158	A	mail1.devaki.ch
81.7.224.163	PTR	81-7-224-163.static.cablecom.net
81.7.224.163	A	baumgartner.biz
81.7.224.164	A	inmail.sidarion.ch
81.7.224.241	PTR	81-7-224-241.static.upc.ch
81.7.224.241	A	securemail2.helbling.ch
81.7.224.242	PTR	81-7-224-242.static.upc.ch
81.7.224.242	A	securemail3.helbling.ch
81.7.224.244	A	post.helbling.ch
81.7.224.244	A	securemail1.helbling.com.cn
81.7.225.6	A	upt.upc-cablecom.ch
81.7.225.64	A+PTR	81-7-225-64.static.cablecom.ch
81.7.225.92	A	81-7-225-92.static.cablecom.ch
81.7.225.100	A	81-7-225-100.static.cablecom.ch
81.7.225.119	A	mx1.dr.tradition.ch
81.7.225.119	A	mx3.tradition.ch
81.7.225.120	A	ns2.traditiongroup.com
81.7.225.120	A	81-7-225-120.static.cablecom.ch
81.7.225.137	A	exchange.lindberg.ch
81.7.225.137	A	smtp.lindberg.ch
81.7.225.163	A+PTR	mx1.tradetwo.com
81.7.225.163	A	mx1.marcrichinvestment.com
81.7.225.163	A	mail.mri-group.com
81.7.225.196	A	81-7-225-196.static.cablecom.ch
81.7.225.197	A	mail.bvb-cie.ch
81.7.225.201	A	mail.marblearchcapital.com
81.7.226.2	A	mail.thealpinagstaad.ch
81.7.226.18	PTR	81-7-226-18.static.cablecom.net
81.7.226.18	A	mail.solimet.ch
81.7.226.66	A+PTR	mail.ilg.ch
81.7.226.75	A	mail.elo.ch
81.7.226.140	A	b2bsip001.upc-cablecom.ch
81.7.227.22	A	proaxyz.ch
81.7.227.22	A	productec.ch
81.7.227.22	A	productec.fr
81.7.227.35	A+PTR	mail2.sottas.ch
81.7.227.106	A	mail.kuhnrikon.ch
81.7.227.106	A	81-7-227-106.static.cablecom.ch
81.7.227.180	A	mail.elbro.com
81.7.227.190	A	81-7-227-190.static.cablecom.ch
81.7.227.234	A	owa.unifil.ch
81.7.227.234	A	mail01.unifil.ch
81.7.227.234	A	smtp.unifil.ch
81.7.228.33	PTR	81-7-228-33.static.cablecom.ch
81.7.228.76	A	mail.montre-hermes.ch
81.7.228.77	A	81-7-228-77.static.cablecom.ch
81.7.228.122	A	gway.arisco.ch
81.7.228.140	A	81-7-228-140.static.cablecom.ch
81.7.228.147	PTR	81-7-228-147.static.cablecom.ch
81.7.228.148	A	cable.eurofima.org
81.7.228.162	PTR	81-7-228-162.static.cablecom.ch
81.7.228.217	A	gw.sias.biz
81.7.228.218	A	mail.sias.ch
81.7.228.218	A	fw.sias.biz
81.7.228.220	A	mail.sias.ch
81.7.228.220	A	fw.sias.biz
81.7.229.131	PTR	81-7-229-131.static.cablecom.net
81.7.229.210	PTR	81-7-229-210.static.cablecom.net
81.7.229.226	PTR	81-7-229-226.static.cablecom.net
81.7.230.69	A	mail.bekb.media
81.7.230.71	A	81-7-230-71.static.cablecom.ch
81.7.230.71	A	www.ajvag.ch
81.7.230.72	A	mail.druckeinfach.ch
81.7.230.85	A	www.go-group.ch
81.7.230.88	A	c-gate.ch
81.7.230.89	A	druckeinfach.ch
81.7.230.114	PTR	81-7-230-114.static.cablecom.ch
81.7.230.119	A	81-7-230-119.static.cablecom.ch
81.7.230.133	A	81-7-230-133.static.cablecom.ch
81.7.230.139	A	81-7-230-139.static.cablecom.ch
81.7.230.139	A	mail2.rathbones.ch
81.7.230.163	A+PTR	mail1.lns-group.com
81.7.230.166	A	81-7-230-166.static.cablecom.ch
81.7.230.166	A	mx1.lns-group.com
81.7.230.169	A	mail.lns-group.com
81.7.230.176	A+PTR	81-7-230-176.static.cablecom.ch
81.7.230.183	A	mail2.lns-group.com
81.7.230.185	A	mail.lns-group.com
81.7.230.186	A	mx2.lns-group.com
81.7.230.200	A	81-7-230-200.static.cablecom.ch
81.7.230.226	A+PTR	cvs.logobject.ch
81.7.230.227	A+PTR	mail.logobject.ch
81.7.230.227	A	mail.logobject.com
81.7.230.227	A	*.logobject.com
81.7.233.2	PTR	ns1648.ztomy.com
81.7.233.48	PTR	host-81-7-233-48.static.solpa.net
81.7.234.81	A+PTR	81-7-234-81.static.cablecom.ch
81.7.234.158	A	ns1.cclhost.ch
81.7.234.165	A	mx1.servercentral.ch
81.7.234.165	A	mx1.ingenta.ch
81.7.234.165	A	81.7.234.165.ingenta.ch
81.7.234.166	A	mx2.ingenta.ch
81.7.234.241	A+PTR	mx10.spitalzollikerberg.ch
81.7.234.241	A	mail.mrbond.ch
81.7.234.242	A+PTR	81-7-234-242.static.cablecom.ch
81.7.234.243	PTR	81-7-234-243.static.cablecom.ch
81.7.234.244	A	rio-pool.ch
81.7.236.30	A	mx02.stabilizer2000.com
81.7.236.30	A	mx02.interstein.com
81.7.236.49	PTR	81-7-236-49.static.cablecom.net
81.7.236.58	A	webportal-gateway.solarmax.com
81.7.236.58	A	solarmaxmail.de
81.7.236.115	A+PTR	mail.sager.ch
81.7.236.115	A	mail.wiegla.de
81.7.237.2	A	p01wetnwfw01.pestalozzi.com
81.7.237.3	A	p01wetnwfw02.pestalozzi.com
81.7.237.34	A+PTR	isis1.green-pack.ch
81.7.237.61	A	gaia.datatransit.org
81.7.237.69	A	webmail.toponline.ch
81.7.237.69	A	smtp.toponline.ch
81.7.237.69	A	gateway.toponline.ch
81.7.237.71	A	redaktion.radiotop.ch
81.7.237.100	A	akermann.ch
81.7.237.100	A	mail.akermann.ch
81.7.237.100	A	*.akermann.ch
81.7.237.196	A	mail01.pool-informatik.com
81.7.237.197	A	mail.simoninis.ch
81.7.237.197	A	mail.kinderkrebs.ch
81.7.237.197	A	mail.powermail.ch