Robtex

Up: 80.80.64.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 80.80.64.0/24
Down right: 80.80.65.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.80.64.2	A+PTR	portal.prv.se
80.80.64.2	A+PTR	prv.prv.se
80.80.64.22	A	eolf.prv.se
80.80.64.26	A	pctsafe.prv.se
80.80.64.34	A+PTR	ns1.prv.se
80.80.64.35	A+PTR	ns2.prv.se
80.80.64.36	PTR	www.prv.se
80.80.64.36	A	prv.se
80.80.64.36	A	interpat.se
80.80.64.37	A	synpunkt.prv.se
80.80.64.38	A	se.espacenet.com
80.80.64.38	A	prvmail.prv.se
80.80.64.40	A	wwwhost.prv.se
80.80.64.41	A	wwwmail.prv.se
80.80.64.43	A+PTR	mail.prv.se
80.80.64.43	A+PTR	prvntsv36.prv.se
80.80.64.43	A	sdc.prv.se
80.80.64.44	PTR	eolf.prv.se
80.80.64.45	PTR	pctsafe.prv.se
80.80.64.46	A	edison.prv.se
80.80.64.46	A	lime.prv.se
80.80.64.47	PTR	webmail.prv.se
80.80.64.47	A+PTR	wwwny.prv.se
80.80.64.48	A	mail.seaofinventions.se
80.80.64.53	A	wwwtest.prv.se
80.80.64.53	A	wast.prv.se
80.80.64.54	A+PTR	wwwm.prv.se
80.80.64.56	A	ftp.prv.se
80.80.64.57	A+PTR	www2.prv.se
80.80.64.57	A	synpunkt.prv.se
80.80.64.58	A+PTR	was.prv.se
80.80.64.62	A	streamalagligt.se