Robtex

Up: 80.16.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 80.16.32.0/20
Down right: 80.16.48.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.16.32.2	A+PTR	host2-32-static.16-80-b.business.telecomitalia.it
80.16.32.5	A	host5-32-static.16-80-b.business.telecomitalia.it
80.16.32.12	A	host12-32-static.16-80-b.business.telecomitalia.it
80.16.32.12	A	mail.baimex.it
80.16.32.32	A+PTR	host32-32-static.16-80-b.business.telecomitalia.it
80.16.32.35	A+PTR	host35-32-static.16-80-b.business.telecomitalia.it
80.16.32.38	A	host38-32-static.16-80-b.business.telecomitalia.it
80.16.32.39	A	host39-32-static.16-80-b.business.telecomitalia.it
80.16.32.66	A+PTR	host66-32-static.16-80-b.business.telecomitalia.it
80.16.32.68	A	host68-32-static.16-80-b.business.telecomitalia.it
80.16.32.74	A	host74-32-static.16-80-b.business.telecomitalia.it
80.16.32.81	A	host81-32-static.16-80-b.business.telecomitalia.it
80.16.32.97	A+PTR	host97-32-static.16-80-b.business.telecomitalia.it
80.16.32.99	A+PTR	host99-32-static.16-80-b.business.telecomitalia.it
80.16.32.117	A	host117-32-static.16-80-b.business.telecomitalia.it
80.16.32.120	A	host120-32-static.16-80-b.business.telecomitalia.it
80.16.32.128	A+PTR	host128-32-static.16-80-b.business.telecomitalia.it
80.16.32.135	A	host135-32-static.16-80-b.business.telecomitalia.it
80.16.32.137	A	host137-32-static.16-80-b.business.telecomitalia.it
80.16.32.140	A	host140-32-static.16-80-b.business.telecomitalia.it
80.16.32.160	A+PTR	host160-32-static.16-80-b.business.telecomitalia.it
80.16.32.163	A+PTR	host163-32-static.16-80-b.business.telecomitalia.it
80.16.32.168	A	host168-32-static.16-80-b.business.telecomitalia.it
80.16.32.170	A	host170-32-static.16-80-b.business.telecomitalia.it
80.16.32.193	A+PTR	host193-32-static.16-80-b.business.telecomitalia.it
80.16.32.194	A+PTR	host194-32-static.16-80-b.business.telecomitalia.it
80.16.32.195	A+PTR	host195-32-static.16-80-b.business.telecomitalia.it
80.16.32.202	A	posta.mondialpol.it
80.16.32.227	A+PTR	host227-32-static.16-80-b.business.telecomitalia.it
80.16.32.230	A	host230-32-static.16-80-b.business.telecomitalia.it
80.16.32.231	A	host231-32-static.16-80-b.business.telecomitalia.it
80.16.32.236	A	host236-32-static.16-80-b.business.telecomitalia.it
80.16.33.42	A	host42-33-static.16-80-b.business.telecomitalia.it
80.16.35.242	A	mail.neffas.com
80.16.36.26	A	mentaspa.it
80.16.36.140	A	mail3.hannibalweb.com
80.16.37.122	A	vpn.bloitalia.it
80.16.37.152	A	qualebanca.it
80.16.37.152	A	host152-37-static.16-80-b.business.telecomitalia.it
80.16.37.152	A	contointasca.it
80.16.37.222	A	smtp.studiofavalli.it
80.16.37.250	A	mail.nuovenergiespa.it
80.16.38.98	A+PTR	mail.caimi.com
80.16.38.98	A	nm.creando.it
80.16.38.98	A	nm.istep.it
80.16.40.2	A	host2-40-static.16-80-b.business.telecomitalia.it
80.16.40.170	A	breakbit.it
80.16.40.170	A	drivercontrols.com
80.16.40.170	A	panedolci.com
80.16.41.130	A	mail.cptpv.com
80.16.42.50	A	cealift.com
80.16.42.82	A	relay.sinergy.it
80.16.42.91	A	sslvpn.sinergy.it
80.16.42.92	A	zdm.sinergy.it
80.16.42.93	A	mail.sinergy.it
80.16.43.10	A	host10-43-static.16-80-b.business.telecomitalia.it
80.16.43.131	A+PTR	host131-43-static.16-80-b.business.telecomitalia.it
80.16.44.99	PTR	host99-44-static.16-80-b.business.telecomitalia.it
80.16.44.99	A	fiege.it
80.16.45.202	A	oratorium.it
80.16.45.202	A	www.oratorium.it
80.16.45.211	A	mail.bpi-hydraulics.de
80.16.45.211	A	mail.bpi-hydraulik.com
80.16.48.24	A	downloadsservice.net
80.16.48.25	A	mail.cemb.com
80.16.48.25	A	host25-48-static.16-80-b.business.telecomitalia.it
80.16.48.25	A	mail.sipav.com
80.16.48.51	A	mx1.elevo.it
80.16.48.52	A	host52-48-static.16-80-b.business.telecomitalia.it
80.16.48.52	A	mail.elevo.it
80.16.48.54	A	mx2.elevo.it
80.16.48.119	A	host119-48-static.16-80-b.business.telecomitalia.it
80.16.49.90	A	mail.presma.it
80.16.49.123	A	abchemicals.com
80.16.49.123	A	abchemicals.org
80.16.49.123	A	abchemicals.biz
80.16.51.98	A+PTR	host98-51-static.16-80-b.business.telecomitalia.it
80.16.51.109	A	host109-51-static.16-80-b.business.telecomitalia.it
80.16.51.214	A	mail.erreerre.it
80.16.52.74	A	mailsrv.techno.it
80.16.52.145	A	host145-52-static.16-80-b.business.telecomitalia.it
80.16.52.158	A	mail.newworks.it
80.16.52.158	A	posta.newworks.it
80.16.52.222	A	mail.grandhotelvillaserbelloni.it
80.16.53.10	A	host10-53-static.16-80-b.business.telecomitalia.it
80.16.54.21	A	host21-54-static.16-80-b.business.telecomitalia.it
80.16.54.23	A	host23-54-static.16-80-b.business.telecomitalia.it
80.16.55.2	A	host2-55-static.16-80-b.business.telecomitalia.it
80.16.55.40	A	host40-55-static.16-80-b.business.telecomitalia.it
80.16.55.48	A	host48-55-static.16-80-b.business.telecomitalia.it
80.16.55.208	A	host208-55-static.16-80-b.business.telecomitalia.it
80.16.56.64	A+PTR	host64-56-static.16-80-b.business.telecomitalia.it
80.16.56.96	A	host96-56-static.16-80-b.business.telecomitalia.it
80.16.56.159	A	host159-56-static.16-80-b.business.telecomitalia.it
80.16.56.160	A	host160-56-static.16-80-b.business.telecomitalia.it
80.16.56.176	A	host176-56-static.16-80-b.business.telecomitalia.it
80.16.56.199	A	host199-56-static.16-80-b.business.telecomitalia.it
80.16.57.6	A	host6-57-static.16-80-b.business.telecomitalia.it
80.16.57.52	A	relay.vallestaffora.it
80.16.58.160	A+PTR	host160-58-static.16-80-b.business.telecomitalia.it
80.16.58.164	A	mail.moschino.it
80.16.58.164	A	mail2.moschino.it
80.16.58.164	A	mail2.moschino.com
80.16.58.218	A	imap.autostradale.it
80.16.59.200	A	mail.linkidea.info
80.16.59.201	A	mx.quizadr.it
80.16.59.201	A	mail.guidaalfumettoitaliano.it
80.16.59.201	A	mx.recuperopunti.it
80.16.59.231	A	host231-59-static.16-80-b.business.telecomitalia.it
80.16.61.162	A	mail.texpro.com
80.16.62.78	A	pop.troianoassociati.eu
80.16.62.78	A	pop.troianoassociati.com
80.16.62.178	A	mail.galimberti.net
80.16.62.178	A	mx2.galimberti.net
80.16.63.14	A	mail.menini.com
80.16.63.15	A	host15-63-static.16-80-b.business.telecomitalia.it
80.16.63.50	A	mail.farmaresa.com
80.16.63.50	A	farmaresa.com
80.16.63.50	A	www.farmaresa.com
80.16.63.154	A	mail2.fgg-msi.it
80.16.63.226	A	desigoccecosystem.com