Robtex

Up: 80.18.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 80.18.64.0/20
Down right: 80.18.80.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.18.65.190	A	mx.giacoppo-valstagna.com
80.18.65.190	A	mail.giacoppo.it
80.18.66.18	A	host18-66-static.18-80-b.business.telecomitalia.it
80.18.67.238	A	host238-67-static.18-80-b.business.telecomitalia.it
80.18.72.40	A	host40-72-static.18-80-b.business.telecomitalia.it
80.18.72.114	A	host114-72-static.18-80-b.business.telecomitalia.it
80.18.72.114	A	mail.iternet.biz
80.18.72.114	A	iternet.biz
80.18.72.144	A	host144-72-static.18-80-b.business.telecomitalia.it
80.18.72.152	A	host152-72-static.18-80-b.business.telecomitalia.it
80.18.72.191	A	host191-72-static.18-80-b.business.telecomitalia.it
80.18.72.216	A	host216-72-static.18-80-b.business.telecomitalia.it
80.18.72.224	A	host224-72-static.18-80-b.business.telecomitalia.it
80.18.72.240	A	host240-72-static.18-80-b.business.telecomitalia.it
80.18.73.155	A	mx2.labomar.com
80.18.74.14	A	host14-74-static.18-80-b.business.telecomitalia.it
80.18.75.34	PTR	host34-75-static.18-80-b.business.telecomitalia.it
80.18.75.34	A	mail.acomm.it
80.18.75.34	A	mail.bstore.it
80.18.76.2	A+PTR	host2-76-static.18-80-b.business.telecomitalia.it
80.18.76.38	A	posta.studio-berto.it
80.18.76.134	A	mail2.gustechnologies.it
80.18.76.134	A	mail.gustechnologies.it
80.18.76.203	A	mail.zender.it
80.18.76.203	A	email.profilex-newtec.it
80.18.76.203	A	email.veigel.it
80.18.77.75	A	host75-77-static.18-80-b.business.telecomitalia.it
80.18.77.77	A	comune.villafranca.vr.it
80.18.77.77	A	zimbra.comune.villafranca.vr.it
80.18.80.14	A	host14-80-static.18-80-b.business.telecomitalia.it
80.18.80.31	A	host31-80-static.18-80-b.business.telecomitalia.it
80.18.80.45	A	host45-80-static.18-80-b.business.telecomitalia.it
80.18.80.94	A	mail.studio-berto.it
80.18.80.129	A	studio.canestrinilex.it
80.18.80.158	A	host158-80-static.18-80-b.business.telecomitalia.it
80.18.80.160	A+PTR	host160-80-static.18-80-b.business.telecomitalia.it
80.18.80.164	A	host164-80-static.18-80-b.business.telecomitalia.it
80.18.80.164	A	posta.ccsteam.it
80.18.80.247	A	host247-80-static.18-80-b.business.telecomitalia.it
80.18.81.66	A	mail.2mservizi.it
80.18.81.187	A	host187-81-static.18-80-b.business.telecomitalia.it
80.18.82.75	A	www.ocsaspa.com
80.18.82.76	A	mail.ocsaspa.com
80.18.82.131	PTR	host131-82-static.18-80-b.business.telecomitalia.it
80.18.82.131	A	mailserver.pivatoporte.com
80.18.82.150	A	mail.chievoverona.it
80.18.82.244	A	host244-82-static.18-80-b.business.telecomitalia.it
80.18.83.94	A	mail.gsa-automazioni.it
80.18.83.94	A	host94-83-static.18-80-b.business.telecomitalia.it
80.18.83.109	A	www.spea-autostrade.it
80.18.83.178	A	host178-83-static.18-80-b.business.telecomitalia.it
80.18.83.180	A	mx1.sme-group.com
80.18.84.8	A	mail.distilleriabottega.com
80.18.84.8	A	mail.alexander.it
80.18.84.8	A	mail.qvarzia.com
80.18.84.126	A	mail.sikaprofili.it
80.18.84.126	A	host126-84-static.18-80-b.business.telecomitalia.it
80.18.86.2	A	vdslicenze.com
80.18.86.2	A	archestat.com
80.18.86.2	A	smtp.archestat.com
80.18.86.38	A	mail.studiobugaro.it
80.18.86.38	A	posta.studiobugaro.it
80.18.86.38	A	mail.studiobugaro.com
80.18.86.162	A+PTR	host162-86-static.18-80-b.business.telecomitalia.it
80.18.86.162	A	mail.vebi.it
80.18.86.162	A	smtp.vebi.it
80.18.86.187	A	antispam.neronobile.com
80.18.86.206	A	mail.ulss10.veneto.it
80.18.86.208	A	www.aulss4.veneto.it
80.18.86.208	A	www.ulss10.veneto.it
80.18.87.35	A+PTR	host35-87-static.18-80-b.business.telecomitalia.it
80.18.87.35	A	mail.fia-automazioni.it
80.18.87.35	A	mail.gruppofiz.it
80.18.87.215	A	mail.tesanonline.it
80.18.87.221	A	www.tesanonline.it
80.18.88.67	PTR	host67-88-static.18-80-b.business.telecomitalia.it
80.18.88.67	A	mail.hobbyandwork.it
80.18.88.67	A	mail.climaline.it
80.18.88.240	A	host240-88-static.18-80-b.business.telecomitalia.it
80.18.89.103	A	host103-89-static.18-80-b.business.telecomitalia.it
80.18.89.240	A	host240-89-static.18-80-b.business.telecomitalia.it
80.18.90.39	A	host39-90-static.18-80-b.business.telecomitalia.it
80.18.90.66	PTR	host66-90-static.18-80-b.business.telecomitalia.it
80.18.90.66	A	mail.sapestn.it
80.18.90.66	A	mail.sapes.eu
80.18.90.154	A	mail.dinon.com
80.18.90.154	A	mailserver.dinon.com
80.18.90.179	A	mx.siderforgerossi.com
80.18.92.152	A	host152-92-static.18-80-b.business.telecomitalia.it
80.18.92.184	A	host184-92-static.18-80-b.business.telecomitalia.it
80.18.93.27	A	host27-93-static.18-80-b.business.telecomitalia.it
80.18.93.28	A	mail.gruppoceccato.it
80.18.93.30	A	mail.gruppoceccato.com
80.18.93.176	A	host176-93-static.18-80-b.business.telecomitalia.it
80.18.95.63	A	host63-95-static.18-80-b.business.telecomitalia.it
80.18.95.84	A	4kservice.com
80.18.95.84	A	host84-95-static.18-80-b.business.telecomitalia.it
80.18.95.84	A	www.4kservice.com
80.18.95.146	A	cedapsrl.com