Robtex

Up: 81.175.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 81.175.16.0/22
Down right: 81.175.20.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.175.16.6	A	mail.h-sphere.ptn.no
81.175.16.7	A	web.h-sphere.ptn.no
81.175.16.7	A	www.bysiden.com
81.175.16.7	A	h-sphere.ptn.no
81.175.16.11	A	thomessen.co
81.175.16.11	A	nettalliansen.net
81.175.16.11	A	www.grongnett.no
81.175.16.13	PTR	ns01.hs.hafslundit.net
81.175.16.133	A+PTR	smtp.hrprosjekt.no
81.175.16.134	A	turnering.no
81.175.16.150	A	il-duce.snapp.no
81.175.18.25	A	halden.kommune.no
81.175.18.72	A	varmefag.no
81.175.18.72	A	syzweb.se
81.175.18.72	A	copicmarker.no
81.175.18.85	A	syzweb.no
81.175.18.85	A	inboundmarketing.no
81.175.18.85	A	ungersurfactants.net
81.175.18.88	A	lipsmacker.se
81.175.18.106	A	www.omnicom.no
81.175.18.108	A	vb.no
81.175.18.108	A	varmeogbad.no
81.175.18.108	A	www.vb.no
81.175.18.112	A	stage.syzweb.no
81.175.18.114	A	nlr.no
81.175.18.114	A	www.nlr.no
81.175.18.114	A	grovfornett.no
81.175.18.115	A	stage.syzweb.no
81.175.19.27	A+PTR	knhv-exh-02.h.ncop.net
81.175.19.27	A	webmail.nca.no
81.175.19.72	PTR	kn01-dco-03.h.ncop.net
81.175.19.72	A	xn--kirkensndhjelp-xqb.no
81.175.19.72	A	kirkensnodhjelp.no
81.175.19.203	PTR	www.onecall.no
81.175.19.203	A	wintercamp.no
81.175.19.203	A	onecalltv.no
81.175.21.7	A	exchange.ptn.no
81.175.22.6	A+PTR	c0616af51.static.as2116.net
81.175.22.6	A	mta.itzi.no
81.175.22.16	PTR	smtp.gabler.no
81.175.22.28	A	sipinfo.no
81.175.22.28	A	mail.elsker.no
81.175.22.28	A	mail.sipinfo.no
81.175.22.34	A+PTR	c2216af51.static.as2116.net
81.175.23.27	A+PTR	flexo.dolphinics.no
81.175.23.30	A	scinn.dolphinics.no
81.175.23.35	A+PTR	naboto.dolphinics.no
81.175.23.36	A+PTR	poesci.dolphinics.no
81.175.23.39	A	nypostle.dolphinics.no
81.175.23.60	A	ftp.dolphinics.no
81.175.23.60	A	everythingismyfault.com
81.175.23.61	A	scispor.dolphinics.no
81.175.23.154	PTR	webmail.aspnorge.no
81.175.23.154	A	webmail.maplicense.com
81.175.23.170	A	mail.ensure.no
81.175.23.170	A	mail.aproco.no
81.175.23.195	PTR	post01.notteroy.kommune.no