Robtex

Up: 81.29.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 81.29.32.0/22
Down right: 81.29.36.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.29.32.2	A	dmz.hesby.net
81.29.32.14	A+PTR	dns3.hesbynett.no
81.29.32.130	A+PTR	dns1.hesbynett.no
81.29.32.130	A	admin.hesbynett.no
81.29.32.131	A+PTR	ryfylke.hesbynett.no
81.29.32.131	A	ns1.hesbynett.no
81.29.32.136	A	asterisk.hesbynett.no
81.29.32.140	A+PTR	mail.hesbynett.no
81.29.32.140	A	mail.proff-flis.no
81.29.32.142	A	term05.hesby.net
81.29.32.148	A	term01.hesby.net
81.29.32.149	A	term03.hesby.net
81.29.32.150	A	viking.hesbynett.no
81.29.32.150	A	cron.hesbynett.no
81.29.32.152	A+PTR	spam01.hesby.net
81.29.32.152	A	spam02.hesby.net
81.29.32.152	A	mx01.hesbynett.no
81.29.32.155	PTR	bokn.hesbynett.no
81.29.32.157	PTR	vakt01.hesbynett.no
81.29.32.164	A+PTR	cpanel-ns02.hesbynett.no
81.29.32.167	A	smtp01.hesbynett.no
81.29.32.167	A	smtp.hesbynett.no
81.29.32.168	A+PTR	smtp02.hesbynett.no
81.29.32.168	A	smtp.hesbynett.no
81.29.32.169	A+PTR	smtp03.hesbynett.no
81.29.32.170	A	hesbynett.co.uk
81.29.32.210	PTR	webserver.hesbynett.no
81.29.32.210	A	hitmail.no
81.29.32.210	A	revisjon1.com
81.29.32.211	PTR	81-29-32-211.hesbynett.no
81.29.32.212	PTR	asp01.hesby.net
81.29.32.213	A	utsiktspunkt.no
81.29.32.218	A+PTR	web01.hesby.net
81.29.32.218	A	oiltech.com
81.29.32.218	A	hdoiltech.com
81.29.32.222	PTR	cpanel.jkn.no
81.29.33.66	A	mx1.brynerevisjon.no
81.29.33.66	A	mail.el-team.net
81.29.33.201	A	wollah.fetter.no
81.29.34.172	A	mail.radiostavanger.no
81.29.34.172	A	radiostavanger.no
81.29.35.4	A	mail.ronning-gruppen.no
81.29.35.5	A	webmail.ronning-el.no
81.29.35.195	A	gilje.co.uk
81.29.35.196	A	mail.senior.as
81.29.35.198	A	bauer.senior.as
81.29.35.199	A	johanna.senior.as
81.29.35.209	A	mail.prima.as
81.29.36.9	PTR	mail.westoffice.no
81.29.36.45	A	36-45.static.hesbynett.net
81.29.36.84	A	auestad-montasje.no
81.29.36.84	A	mail.gaasland.net
81.29.36.84	A	gaasland.net
81.29.36.96	A	stavangerrr.com
81.29.36.153	PTR	36-153.static.hesbynett.net
81.29.37.85	A	37-85.dynamic.hesbynett.net
81.29.37.128	PTR	81-29-37-128.adsl.hesbynett.no
81.29.39.192	A	holmen1.pointclark.net