Robtex

Up: 83.97.120.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 83.97.120.0/23
Down right: 83.97.122.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.97.120.10	A	mail2.sceur.ch
83.97.120.12	PTR	rproxy01-sh.sceur.ch
83.97.120.12	A	www.netpoint.com
83.97.120.12	A	swisscom-hospitality.org
83.97.120.13	PTR	ldap-master.sceur.ch
83.97.120.17	A+PTR	ns-master.sceur.ch
83.97.120.26	A	qix-sh.sceur.ch
83.97.120.26	A	qix.sceur.ch
83.97.120.37	PTR	glpi.sceur.ch
83.97.120.37	A	dashboard.sceur.ch
83.97.120.41	A+PTR	mytest-sh.sceur.ch
83.97.120.49	A+PTR	mta-sh.sceur.ch
83.97.120.49	A	hex.sceur.ch
83.97.120.49	A	mail.swisscom-eurospot.com
83.97.120.57	A+PTR	postino-sh.sceur.ch
83.97.120.57	A	postino.sceur.ch
83.97.120.58	A+PTR	tec-scheduler.sceur.ch
83.97.120.60	PTR	mailrelay.swisscom-eurospot.com
83.97.120.60	A	guestmail.net
83.97.120.60	A	safetwo.sceur.ch
83.97.120.67	A+PTR	myquery-sh.sceur.ch
83.97.120.83	A+PTR	ns2.sceur.ch
83.97.120.83	A	ns3.sceur.ch
83.97.120.87	A+PTR	miller-sh.sceur.ch
83.97.120.87	A	miller.sceur.ch
83.97.120.90	PTR	jedi-vpn1.sceur.ch
83.97.120.90	A	mail-out-01.swisscom-eurospot.com
83.97.120.101	A+PTR	opennms-core.sceur.ch
83.97.120.114	A+PTR	matchbox.sceur.ch
83.97.120.116	A+PTR	hts-proxy-sh.sceur.ch
83.97.120.116	A	enter-sh.hoisthospitality.com
83.97.120.118	A+PTR	index01.sceur.ch
83.97.120.121	PTR	providers01.hoisthospitality.com
83.97.120.121	A	providers01.sceur.ch
83.97.120.121	A	r20tools.sceur.ch
83.97.120.125	PTR	index03.hospitality.swisscom.com
83.97.120.136	PTR	providers02.hospitality.swisscom.com
83.97.120.136	A	hoisthospitality.com
83.97.120.196	A+PTR	nagios-sh.sceur.ch
83.97.120.208	A	netpoint.com
83.97.120.208	A	auth.netpoint.com
83.97.120.208	A	rproxy-auth.sceur.ch
83.97.120.210	A	mproxy2.sceur.ch
83.97.120.217	A	mailmx1-sh.sceur.ch
83.97.120.222	A	bcpc.swisscom-eurospot.com
83.97.120.223	PTR	ch-vpn1.sceur.ch
83.97.120.225	A+PTR	dns01.sceur.ch
83.97.120.225	A	dan.sceur.ch
83.97.120.225	A	ns2-hotspots.sceur.ch
83.97.120.227	A	limes.sceur.ch
83.97.120.235	PTR	index06.sceur.ch
83.97.120.235	A	index06.hospitality.swisscom.com
83.97.120.240	A+PTR	index07.sceur.ch
83.97.120.241	A+PTR	syslog.sceur.ch
83.97.120.241	A	arianna.sceur.ch
83.97.120.241	A	trapper.sceur.ch
83.97.120.247	A	oradb1-sh.sceur.ch
83.97.120.250	PTR	esx-sh1-2.sceur.ch
83.97.120.250	A	fin-fe.sceur.ch
83.97.120.251	A+PTR	vrhub-sh-1.sceur.ch
83.97.120.251	A	fin-be.sceur.ch
83.97.120.252	A	br-sh-1.sceur.ch
83.97.120.252	A	knolle.sceur.ch
83.97.121.9	PTR	atlas.sceur.ch
83.97.121.12	A+PTR	pvs-rproxy1.sceur.ch
83.97.121.43	A	sogo.sceur.ch
83.97.121.44	A	zimbra-ne.sceur.ch
83.97.121.141	PTR	pvs-index01.sceur.ch
83.97.122.11	PTR	fw-sh-1-passive.sceur.ch