Robtex

Up: 192.51.4.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.51.5.0/25
Down right: 192.51.5.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.51.5.5	A+PTR	firewall.spacetec.no
192.51.5.9	A+PTR	ftp.spacetec.no
192.51.5.10	PTR	ftp2.spacetec.no
192.51.5.11	PTR	jupiter.spacetec.no
192.51.5.16	PTR	fes10.spacetec.no
192.51.5.17	A+PTR	ksat-gw.spacetec.no
192.51.5.18	A+PTR	pandora.spacetec.no
192.51.5.19	PTR	support.spacetec.no
192.51.5.20	PTR	suse.spacetec.no
192.51.5.21	PTR	mimas.spacetec.no
192.51.5.29	A+PTR	puck.spacetec.no
192.51.5.30	A+PTR	zcs.spacetec.no
192.51.5.32	A+PTR	tfes11.spacetec.no
192.51.5.33	A+PTR	navi.spacetec.no
192.51.5.34	A+PTR	theta.spacetec.no
192.51.5.54	PTR	globice.spacetec.no
192.51.5.65	PTR	eurospace.spacetec.no
192.51.5.73	PTR	bwgeo.spacetec.no
192.51.5.74	PTR	bwgeodb.spacetec.no
192.51.5.76	A+PTR	jira.spacetec.no
192.51.5.78	PTR	bwportal.spacetec.no
192.51.5.79	PTR	bwportaldb.spacetec.no
192.51.5.80	A+PTR	dga.spacetec.no
192.51.5.81	PTR	dfep-c.spacetec.no
192.51.5.82	A+PTR	dfep-hrtg.spacetec.no
192.51.5.83	A+PTR	dfep-capture.spacetec.no
192.51.5.85	PTR	cdfep-hrtg.spacetec.no
192.51.5.86	PTR	cdfep-capture.spacetec.no
192.51.5.87	PTR	bwtruffler.spacetec.no
192.51.5.88	PTR	refbwgeo.spacetec.no
192.51.5.90	PTR	refbwportal.spacetec.no
192.51.5.91	PTR	refbwportaldb.spacetec.no
192.51.5.92	A	mail.lorien.cx
192.51.5.92	A	arntsen.cx
192.51.5.92	A	refbwtruffler.spacetec.no
192.51.5.93	PTR	refbwcache.spacetec.no
192.51.5.98	PTR	fes38.spacetec.no
192.51.5.100	A+PTR	gw.spacetec.no
192.51.5.101	PTR	erdas.spacetec.no
192.51.5.102	PTR	cetus-vm3.spacetec.no
192.51.5.112	A+PTR	mx10.spacetec.no
192.51.5.113	A+PTR	mx20.spacetec.no
192.51.5.114	A+PTR	mx5.spacetec.no
192.51.5.121	PTR	ursa.spacetec.no
192.51.5.126	A+PTR	www.spacetec.no
192.51.5.126	A	kongsberg-spacetec.com
192.51.5.126	A	meos.no
192.51.5.129	PTR	meos19.spacetec.no
192.51.5.140	PTR	cancer.spacetec.no
192.51.5.141	A+PTR	git.spacetec.no
192.51.5.148	PTR	coxa.spacetec.no
192.51.5.155	A+PTR	mail.multifritid.no
192.51.5.155	A+PTR	mf.spacetec.no
192.51.5.155	A	smtp.sandsdalen.net
192.51.5.230	PTR	logica.spacetec.no
192.51.5.231	PTR	logica2.spacetec.no
192.51.5.232	A+PTR	meos7.spacetec.no
192.51.5.233	A+PTR	ringworld4.spacetec.no
192.51.5.233	A+PTR	ns2.jupiter.spacetec.no
192.51.5.254	A+PTR	ns1.spacetec.no
192.51.5.254	A	ns1.spacetech.no