Robtex

Up: 212.43.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 212.43.128.0/20
Down right: 212.43.144.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.43.128.4	A+PTR	ns1.netserv.ch
212.43.128.4	A	gvadns1.netserv.ch
212.43.128.27	A	gve-abs.netserv.ch
212.43.128.66	A	gvasmail.netserv.ch
212.43.128.129	A+PTR	ns2.netserv.ch
212.43.128.129	A	gvas05.netserv.ch
212.43.129.2	A+PTR	mail.kriss-arms.com
212.43.129.2	A	mail.ess-nanotech.com
212.43.129.2	A	mail.nano-idsecurity.com
212.43.129.3	PTR	device.netserv.ch
212.43.129.19	A	mail.jiffix.com
212.43.129.32	PTR	device.netserv.ch
212.43.129.33	PTR	device.netserv.ch
212.43.129.33	A	exchange.nrcsa.ch
212.43.129.33	A	lightpump.ch
212.43.129.35	PTR	device.netserv.ch
212.43.129.40	A	ciege.ch
212.43.129.96	PTR	device.netserv.ch
212.43.129.97	PTR	device.netserv.ch
212.43.129.162	PTR	device.netserv.ch
212.43.129.195	PTR	device.netserv.ch
212.43.129.227	PTR	device.netserv.ch
212.43.130.3	PTR	mail.darest.ch
212.43.130.3	A	mail.darest.com
212.43.130.3	A	mail.darestshop.com
212.43.130.6	A	owa.darest.ch
212.43.130.21	A	mail.darest.ch
212.43.130.114	A+PTR	pltmsg01.darest.ch
212.43.130.128	PTR	device.netserv.ch
212.43.131.54	PTR	mail.harsch.ch
212.43.131.60	PTR	webmail.harsch.ch
212.43.131.61	A+PTR	spamfilter.harsch.ch
212.43.131.98	A+PTR	mail.tradevcogen.ch
212.43.132.35	PTR	device.netserv.ch
212.43.132.66	PTR	device.netserv.ch
212.43.132.131	PTR	device.netserv.ch
212.43.132.161	PTR	device.netserv.ch
212.43.132.162	PTR	device.netserv.ch
212.43.132.193	PTR	device.netserv.ch
212.43.132.227	A+PTR	mail.suntrust.ch
212.43.132.233	A	mail2.delon.ch
212.43.132.233	A	mail.delon.ch
212.43.133.170	A	lsn.darest.ch
212.43.134.2	PTR	device.netserv.ch
212.43.134.35	PTR	device.netserv.ch
212.43.134.64	PTR	device.netserv.ch
212.43.134.66	PTR	device.netserv.ch
212.43.134.128	PTR	device.netserv.ch
212.43.134.161	PTR	device.netserv.ch
212.43.134.163	PTR	device.netserv.ch
212.43.134.225	PTR	device.netserv.ch
212.43.134.226	PTR	device.netserv.ch
212.43.134.227	PTR	device.netserv.ch
212.43.135.37	A	mail.sogelac.ch
212.43.135.54	A	lab.darest.ch
212.43.135.57	A	mail.rathbones.ch
212.43.135.65	A	mail.jaydiam.ch
212.43.135.74	A	ns2.ufs-lease.com
212.43.135.74	A	ns2.pezzak.ru
212.43.135.74	A	ns2.ufs-federation.com
212.43.135.158	A	mail.penta-am.ch
212.43.135.158	A	mail.penta-am.com
212.43.135.158	A	mail.pentawealth.com
212.43.135.208	A	mail.rhone-gestion.ch
212.43.137.10	A+PTR	ns3.netserv.ch
212.43.137.16	PTR	mail1.netserv.ch
212.43.137.16	A	mail.sabet.ch
212.43.137.16	A	mail.fayon.ch
212.43.137.32	PTR	web1.netserv.net
212.43.137.32	A	dana.ch
212.43.137.32	A	www.nertex.ch
212.43.137.64	A	www.swissadsl.com
212.43.137.64	A	netserv.ch
212.43.137.64	A	www.fayon.ch
212.43.137.100	A+PTR	ns4.netserv.ch
212.43.137.200	A	mail.rivacap.ch
212.43.137.200	A	mail.addvisionpartners.com
212.43.137.200	A	mail1.addvisionpartners.com
212.43.145.234	A	cnpar.org