Robtex

Up: 84.20.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 84.20.32.0/21
Down right: 84.20.40.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
84.20.32.66	PTR	ftg1.komtechag.ch
84.20.32.110	A	exchange.komtechag.ch
84.20.32.130	A+PTR	ns1.komtechag.ch
84.20.32.130	A	ns1.scheferag.ch
84.20.32.132	PTR	www.scheferag.ch
84.20.32.136	A	www.zihlmann.us
84.20.32.139	A	mail2.komtechag.ch
84.20.32.160	A+PTR	mail.komtechag.ch
84.20.32.160	A	mail.cablelink.ch
84.20.32.160	A	mail.zihlmann.us
84.20.32.161	PTR	fortimail.komtechag.ch
84.20.32.161	A	fortimail.grischavision.ch
84.20.32.165	PTR	mail2.komtechag.ch
84.20.33.98	PTR	84-20-33-98.static.upc.ch
84.20.35.37	PTR	84-20-35-37.static.upc.ch
84.20.36.4	PTR	mail.loch-online.ch
84.20.36.4	PTR	84-20-36-4.static.upc.ch
84.20.36.4	A	ns2.loch-online.ch
84.20.36.27	A+PTR	mail.dieklimamacher.ch
84.20.36.27	A	ftp.otto-keller.ch
84.20.36.27	A	mail.otto-keller.ch
84.20.36.40	PTR	webserver01.schmid-fehr.ch
84.20.36.40	A	ns1.schmid-fehr.ch
84.20.36.40	A	nexprint.ch
84.20.36.68	A+PTR	exchange.grossauer.ch
84.20.36.68	A	mail.grossauer.ch
84.20.36.82	PTR	www.grossauer.ch
84.20.36.102	A+PTR	mailsafe1.sefar.ch
84.20.36.102	A	mailsafe1.sefar.es
84.20.36.102	A	mailsafe1.sefar.co.uk
84.20.36.103	PTR	mailsafe01.sefar.ch
84.20.36.138	A	mail1.regatron.ch
84.20.36.138	A	zeus.regatron.ch
84.20.36.146	A+PTR	mail.avd.ch
84.20.36.186	A	mail.schlegel.ch
84.20.36.186	A	mail.gastrofrit.ch
84.20.36.198	A	backstage.ch
84.20.39.2	PTR	84-20-39-2.static.upc.ch
84.20.47.255	PTR	84-20-47-255.static.upc.ch