Robtex

Up: 217.31.96.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 217.31.96.0/21
Down right: 217.31.104.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.31.96.1	A+PTR	fw-rn-02.ringnett.net
217.31.96.10	A+PTR	dns101.ringnett.no
217.31.96.20	A+PTR	dns102.ringnett.no
217.31.96.35	A+PTR	rnsv-15.ringnett.no
217.31.96.36	A+PTR	rnsv-16.ringnett.no
217.31.96.37	A+PTR	rnsv-21.ringnett.no
217.31.96.37	A	a.ringnett.no
217.31.96.89	A+PTR	rnvsv-89.ringnett.no
217.31.96.89	A	www.flannum.no
217.31.96.89	A	flannum.no
217.31.96.150	A	mail02.flannum.com
217.31.96.151	A	mail02.fastlane.no
217.31.96.151	A	mail02.freeway.no
217.31.96.190	A	mustad-industrier.no
217.31.96.197	A+PTR	relay.ringnett.no
217.31.96.197	PTR	rnsv-3.ringnett.no
217.31.96.197	A+PTR	mail.ringnett.no
217.31.96.201	PTR	rnsv-01.ringnett.no
217.31.96.202	PTR	rnsv-02.ringnett.no
217.31.96.210	A+PTR	rnsv-10.ringnett.no
217.31.96.210	A	rolfbacke.no
217.31.96.210	A	www.ringnett.net
217.31.96.212	A+PTR	rnsv-12.ringnett.no
217.31.96.213	PTR	rnsv-13.ringnett.no
217.31.96.235	A	ringnett.no
217.31.96.235	A	modumktv.no
217.31.97.1	A+PTR	ro-rn-01.ringnett.net
217.31.97.3	A+PTR	ro-rn-03.ringnett.net
217.31.97.66	PTR	ro-rn-01.ringnett.net
217.31.97.67	PTR	ro-rn-02.ringnett.net
217.31.97.68	PTR	ro-rn-03.ringnett.net
217.31.99.82	A	mail.rik.no
217.31.99.91	A	mail.midtkraft.no
217.31.99.91	A	mail.midtnett.no
217.31.99.112	A	mailgw.oeenergi.no
217.31.100.111	A	eimoit.com
217.31.100.190	A	eimoit.com
217.31.100.190	A	livsbalanse.com
217.31.104.72	A	olaroa3.no-ip.biz
217.31.105.249	PTR	249.105.31.217.ftth.ringnett.no
217.31.106.1	PTR	ro-rn-03.ringnett.net
217.31.108.2	PTR	rn-1797.datacom.ringnett.no
217.31.108.4	PTR	rn-1799.datacom.ringnett.no
217.31.111.1	PTR	1-111.31.217.bb.eke.no
217.31.111.2	PTR	2-111.31.217.bb.eke.no
217.31.111.50	PTR	50-111.31.217.bb.eke.no