Robtex

Up: 80.70.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 80.70.40.0/23
Down right: 80.70.42.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.70.40.35	A+PTR	mail.3s-informatique.com
80.70.40.35	A	mail.3s-consulting.com
80.70.40.40	A+PTR	www.3s-informatique.com
80.70.40.40	A	3s-consulting.com
80.70.40.40	A	www.cms-g.com
80.70.40.42	PTR	ns0.3s-informatique.com
80.70.40.44	A	hemptontechnology.com
80.70.40.44	A	mail.hemptontechnology.com
80.70.40.98	PTR	mail.forco.org
80.70.40.98	A	mail.forco.asso.fr
80.70.40.101	PTR	mail.alias-nt.com
80.70.40.172	PTR	relais.netlogon.fr
80.70.40.242	PTR	mailhost.sauer-pechelbronn.fr
80.70.40.242	A	linux.cc-vallee-sauer.fr
80.70.41.115	A+PTR	mail.cc-plateauduneubourg.fr
80.70.42.3	A	imail.ibase.fr
80.70.42.4	A+PTR	mail.icoupon.fr
80.70.42.5	A+PTR	mail2.icoupon.fr
80.70.42.5	A	mailing.ibase.fr
80.70.42.6	A	cybertesteur.fr
80.70.42.7	PTR	jeu.ibase.fr
80.70.42.194	A+PTR	azote.pm.gouv.fr
80.70.42.194	A	mail1.pm.gouv.fr
80.70.42.194	A	mail.pm.gouv.fr
80.70.42.195	PTR	phosphore.pm.gouv.fr
80.70.42.196	PTR	messagerie.cira.gouv.fr
80.70.42.201	A	mailhost.domaxis.fr
80.70.42.202	A+PTR	mail.domaxis.fr
80.70.42.203	A	domaxis.fr
80.70.42.203	A	www.domaxis.fr
80.70.43.35	PTR	mail.mk2.com
80.70.43.75	A+PTR	mail.hocheavocats.com
80.70.43.77	A	extranet.hocheavocats.com
80.70.43.99	PTR	mx2.barclays.fr
80.70.43.101	A+PTR	ns2.barclays.fr
80.70.43.101	A	ns2.milleis.fr
80.70.43.102	PTR	bsf.barclays-stockbrokers.fr
80.70.43.102	A	service.barclays.fr
80.70.43.103	A	b-net.barclays.fr
80.70.43.104	A	mobile.barclays.fr
80.70.43.106	A	www.barclays.fr
80.70.43.106	A	mileis.com
80.70.43.106	A	barclays.fr
80.70.43.107	PTR	www.barclays.fr
80.70.43.112	PTR	bourse.barclays.fr
80.70.43.113	PTR	www1.bourse.barclays.fr
80.70.43.113	A	milleis.fr
80.70.43.126	A	lb.barclays.fr
80.70.43.172	A	autodiscover.boscher.fr
80.70.43.172	A	remote.boscher.fr
80.70.43.172	A	mailhost.boscher.fr
80.70.43.188	A	eris.erisinfo.fr
80.70.43.189	A+PTR	extranet.soficham.fr