Robtex

Up: 212.51.172.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 212.51.172.0/25
Down right: 212.51.172.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.51.172.114	A	srvintranet.cci63.net
212.51.172.114	A	intranet.cci63.net
212.51.172.116	A+PTR	srvmib.cci63.net
212.51.172.117	A+PTR	invite.cci63.net
212.51.172.125	A+PTR	srvweb.cci63.net
212.51.172.125	A	intranet.cci63.net
212.51.172.125	A	osez-le-numerique.net
212.51.172.186	PTR	mx.polesanterepublique.com
212.51.172.188	A+PTR	mx.polesanterepublique.com
212.51.172.188	A	mx.centrerepublique-chtm.com
212.51.172.213	A+PTR	mail1.cg43.fr
212.51.172.213	A	smtp.cg43.fr
212.51.172.213	A	webmail.hauteloire.fr
212.51.172.218	A+PTR	cerbere.agglo-clermont.fr
212.51.172.218	A	bibliotheques-clermontmetropole.eu
212.51.172.218	A	www.agglo-clermont.fr
212.51.172.221	A	bibliotheques-clermontcommunaute.com
212.51.172.221	A	bibliotheques-clermontcommunaute.eu
212.51.172.221	A	bibliotheques-clermontcommunaute.fr
212.51.172.238	PTR	mail.clinique-la-chataigneraie.fr
212.51.172.252	A	private.byperiscope.com