Robtex

Up: 80.66.212.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 80.66.212.0/25
Down right: 80.66.212.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.66.212.0	PTR	abilene.it
80.66.212.13	A	mail.entersistemi.it
80.66.212.14	A	entersistemi.it
80.66.212.33	PTR	33-212-66-80.hosts.abilene.it
80.66.212.50	PTR	50-212-66-80.hosts.abilene.it
80.66.212.50	A	mail.network3000.it
80.66.212.50	A	mail.nezlead.com
80.66.212.51	A	mail.nezlead.com
80.66.212.51	A	mail.reservatoriosenologiaemcimento.com
80.66.212.51	A	cuvesavinenbeton.com
80.66.212.54	PTR	54-212-66-80.hosts.abilene.it
80.66.212.54	A	mail.s-in.biz
80.66.212.58	A	mail.baraccobags.com
80.66.212.76	A	mail.elettrosistemi.org
80.66.212.76	A	mail.carmelagravina.com
80.66.212.78	A	mail.easyroll-up.com
80.66.212.78	A	mail.attivitaeventi.com
80.66.212.78	A	mail.portailpane.com
80.66.212.81	A	jemmacorp.it
80.66.212.83	A	smtp1.jemmacorp.it
80.66.212.83	A	mail1.jemmacorp.it
80.66.212.98	A+PTR	mail.mavolo.it
80.66.212.98	A	mavolo.it
80.66.212.148	PTR	148-212-66-80.hosts.entityitalia.it
80.66.212.148	A	ns4.newentity.it
80.66.212.162	A	progettosole.it
80.66.212.163	A	progettosole.it
80.66.212.172	A	mail.studiogomiero.it
80.66.212.185	PTR	185-212-66-80.hosts.abilene.it
80.66.212.216	PTR	216-212-66-80.hosts.abilene.it
80.66.212.216	A	ns2.ciapadova.it
80.66.212.217	PTR	217-212-66-80.hosts.abilene.it
80.66.212.217	A	mail.sincsrv.com
80.66.212.217	A	mailserv.ciaal.it
80.66.212.222	A	www.ciapd.it
80.66.212.226	A+PTR	mail.itt.it