Robtex

Up: 80.19.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 80.19.96.0/20
Down right: 80.19.112.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.19.96.98	PTR	mail3.fagioli.com
80.19.96.98	PTR	mail3.fagioligroup.com
80.19.96.98	PTR	mail3.sanmarcoshipping.com
80.19.97.66	PTR	host66-97-static.19-80-b.business.telecomitalia.it
80.19.97.66	A	mail.sintexcal.com
80.19.97.66	A	mail.cmb-srl.it
80.19.98.226	A	host226-98-static.19-80-b.business.telecomitalia.it
80.19.98.230	A	mail.graficartiere.com
80.19.99.5	A	mail.carigeassicurazioni.it
80.19.99.125	A	mail.tellurerota.com
80.19.101.32	A+PTR	host32-101-static.19-80-b.business.telecomitalia.it
80.19.101.188	A	soci.intesasrl.info
80.19.101.218	A	host218-101-static.19-80-b.business.telecomitalia.it
80.19.102.147	A	mail.mecpalmieri.com
80.19.106.161	PTR	posta.pasadena.it
80.19.107.73	A	host73-107-static.19-80-b.business.telecomitalia.it
80.19.107.90	A	comm-tec.com
80.19.107.90	A	mail.comm-tec.com
80.19.107.92	A	swanpro.com
80.19.107.114	A	mail2.nazionaleelettronica.it
80.19.107.170	A	mail.vignalitrasporti.it
80.19.109.75	A	tartariniauto.com
80.19.110.28	A	host28-110-static.19-80-b.business.telecomitalia.it
80.19.110.50	A	host50-110-static.19-80-b.business.telecomitalia.it
80.19.110.59	A	host59-110-static.19-80-b.business.telecomitalia.it
80.19.110.69	A	host69-110-static.19-80-b.business.telecomitalia.it
80.19.110.73	A	host73-110-static.19-80-b.business.telecomitalia.it
80.19.110.90	A	host90-110-static.19-80-b.business.telecomitalia.it
80.19.110.91	A	host91-110-static.19-80-b.business.telecomitalia.it
80.19.110.120	A	host120-110-static.19-80-b.business.telecomitalia.it
80.19.110.123	A	host123-110-static.19-80-b.business.telecomitalia.it
80.19.110.130	A+PTR	host130-110-static.19-80-b.business.telecomitalia.it
80.19.110.148	A	host148-110-static.19-80-b.business.telecomitalia.it
80.19.110.161	PTR	host161-110-static.19-80-b.business.telecomitalia.it
80.19.110.161	A	mail2.legaitaly.com
80.19.110.164	A	mail.legaitaly.com
80.19.110.166	A	host166-110-static.19-80-b.business.telecomitalia.it
80.19.110.174	A	host174-110-static.19-80-b.business.telecomitalia.it
80.19.110.196	A	host196-110-static.19-80-b.business.telecomitalia.it
80.19.110.199	A	host199-110-static.19-80-b.business.telecomitalia.it
80.19.110.200	A	host200-110-static.19-80-b.business.telecomitalia.it
80.19.110.203	A	host203-110-static.19-80-b.business.telecomitalia.it
80.19.110.247	A	host247-110-static.19-80-b.business.telecomitalia.it
80.19.111.16	A	host16-111-static.19-80-b.business.telecomitalia.it
80.19.111.30	A	mail.modulstampagroup.it
80.19.111.63	A	host63-111-static.19-80-b.business.telecomitalia.it
80.19.111.74	A	mail.studiocontino.it
80.19.111.112	A	host112-111-static.19-80-b.business.telecomitalia.it
80.19.111.155	A	mail2.arscolor.com
80.19.111.155	A	host155-111-static.19-80-b.business.telecomitalia.it
80.19.111.190	A	posta.eulip.com
80.19.111.190	A	mail.eulip.com
80.19.111.223	A	host223-111-static.19-80-b.business.telecomitalia.it
80.19.111.239	A	host239-111-static.19-80-b.business.telecomitalia.it
80.19.117.156	A	host156-117-static.19-80-b.business.telecomitalia.it
80.19.117.175	A	host175-117-static.19-80-b.business.telecomitalia.it
80.19.117.249	A	host249-117-static.19-80-b.business.telecomitalia.it
80.19.119.35	A	mail.sitiviaggi.com
80.19.119.138	A	mail.pianetaimpresa.it
80.19.120.211	A	baseprotection.it
80.19.120.211	A	basepro.eu
80.19.120.211	A	baseprotection.com
80.19.122.1	A	host1-122-static.19-80-b.business.telecomitalia.it
80.19.124.92	A	host92-124-static.19-80-b.business.telecomitalia.it
80.19.127.18	A	host18-127-static.19-80-b.business.telecomitalia.it