Robtex

Up: 80.21.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 80.21.160.0/20
Down right: 80.21.176.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.21.163.20	A	cdn-proxy-na1.opb.interbusiness.it
80.21.163.126	A	c-na38.opb.interbusiness.it
80.21.163.156	A	cdn-proxy-na1.opb.interbusiness.it
80.21.163.156	A	cdn.interbusiness.it
80.21.164.205	A	host205-164-static.21-80-b.business.telecomitalia.it
80.21.170.254	A	host254-170-static.21-80-b.business.telecomitalia.it
80.21.172.2	PTR	host2-172-static.21-80-b.business.telecomitalia.it
80.21.172.2	A	dns2.acquacasa.net
80.21.172.2	A	ns2.negg.email
80.21.172.4	PTR	host4-172-static.21-80-b.business.telecomitalia.it
80.21.172.32	A	host32-172-static.21-80-b.business.telecomitalia.it
80.21.172.64	A+PTR	host64-172-static.21-80-b.business.telecomitalia.it
80.21.172.140	A	host140-172-static.21-80-b.business.telecomitalia.it
80.21.172.140	A	smtp.fiart.com
80.21.172.144	A	host144-172-static.21-80-b.business.telecomitalia.it
80.21.172.168	A	host168-172-static.21-80-b.business.telecomitalia.it
80.21.172.176	A	host176-172-static.21-80-b.business.telecomitalia.it
80.21.172.191	A	host191-172-static.21-80-b.business.telecomitalia.it
80.21.173.16	A	host16-173-static.21-80-b.business.telecomitalia.it
80.21.173.31	A	host31-173-static.21-80-b.business.telecomitalia.it
80.21.173.95	A	host95-173-static.21-80-b.business.telecomitalia.it
80.21.173.111	A	host111-173-static.21-80-b.business.telecomitalia.it
80.21.176.227	A	dns.italcoat.com
80.21.176.227	A	*.laminazionesottile.com
80.21.176.227	A	*.contital.com
80.21.177.71	A	host71-177-static.21-80-b.business.telecomitalia.it
80.21.177.116	A	host116-177-static.21-80-b.business.telecomitalia.it
80.21.177.119	A	host119-177-static.21-80-b.business.telecomitalia.it
80.21.177.144	A	host144-177-static.21-80-b.business.telecomitalia.it
80.21.177.148	A	host148-177-static.21-80-b.business.telecomitalia.it
80.21.177.167	A	host167-177-static.21-80-b.business.telecomitalia.it
80.21.177.224	A	host224-177-static.21-80-b.business.telecomitalia.it
80.21.177.248	A	host248-177-static.21-80-b.business.telecomitalia.it
80.21.178.23	A	host23-178-static.21-80-b.business.telecomitalia.it
80.21.178.48	A	host48-178-static.21-80-b.business.telecomitalia.it
80.21.178.50	A	smtp.forzamolinarothebest.com
80.21.178.50	A	host50-178-static.21-80-b.business.telecomitalia.it
80.21.178.50	A	smtp.ilcosto.com
80.21.178.79	A	host79-178-static.21-80-b.business.telecomitalia.it
80.21.178.92	A	host92-178-static.21-80-b.business.telecomitalia.it
80.21.178.106	A	referti.laboratoriobiochemical.it
80.21.178.167	A	host167-178-static.21-80-b.business.telecomitalia.it
80.21.178.200	A	host200-178-static.21-80-b.business.telecomitalia.it
80.21.178.222	A	host222-178-static.21-80-b.business.telecomitalia.it
80.21.178.226	A	host226-178-static.21-80-b.business.telecomitalia.it
80.21.179.184	A	host184-179-static.21-80-b.business.telecomitalia.it
80.21.180.88	A	host88-180-static.21-80-b.business.telecomitalia.it
80.21.180.162	A+PTR	host162-180-static.21-80-b.business.telecomitalia.it
80.21.180.197	A	ns1.golemsoftware.it
80.21.180.198	A	host198-180-static.21-80-b.business.telecomitalia.it
80.21.180.200	A	host200-180-static.21-80-b.business.telecomitalia.it
80.21.180.205	A	www.cercasiatto.it
80.21.180.232	A	host232-180-static.21-80-b.business.telecomitalia.it
80.21.181.42	A	host42-181-static.21-80-b.business.telecomitalia.it
80.21.181.51	A	host51-181-static.21-80-b.business.telecomitalia.it
80.21.181.80	A	host80-181-static.21-80-b.business.telecomitalia.it
80.21.181.177	A	host177-181-static.21-80-b.business.telecomitalia.it
80.21.184.211	A	host211-184-static.21-80-b.business.telecomitalia.it
80.21.185.32	A	host32-185-static.21-80-b.business.telecomitalia.it
80.21.185.66	PTR	host66-185-static.21-80-b.business.telecomitalia.it
80.21.186.62	A	linfafarmacie.it
80.21.186.62	A	www.linfafarmacie.it
80.21.186.247	A	host247-186-static.21-80-b.business.telecomitalia.it
80.21.187.18	A	dsl18.transaudiovideo.com
80.21.187.40	A	host40-187-static.21-80-b.business.telecomitalia.it
80.21.187.48	A	host48-187-static.21-80-b.business.telecomitalia.it
80.21.187.67	A+PTR	mailsct.gallozzi.com
80.21.187.67	A+PTR	mailsct2.gallozzi.com
80.21.187.67	A	host67-187-static.21-80-b.business.telecomitalia.it
80.21.187.86	A	ns2.vimatel.it
80.21.187.132	A	host132-187-static.21-80-b.business.telecomitalia.it
80.21.187.144	A	host144-187-static.21-80-b.business.telecomitalia.it
80.21.187.192	A	host192-187-static.21-80-b.business.telecomitalia.it
80.21.188.62	A	mail2.starwood.it
80.21.190.22	A	posta.unindustriacalabria.it
80.21.190.43	A	host43-190-static.21-80-b.business.telecomitalia.it
80.21.191.29	A	host29-191-static.21-80-b.business.telecomitalia.it
80.21.191.130	A	host130-191-static.21-80-b.business.telecomitalia.it
80.21.191.232	A	host232-191-static.21-80-b.business.telecomitalia.it