Robtex

Up: 151.78.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 151.78.0.0/18
Down right: 151.78.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
151.78.24.70	A	mail1.sanvidotti.com
151.78.48.74	A+PTR	mail2.bru-zane.com
151.78.48.82	PTR	smtp.datajob.it
151.78.48.83	PTR	smtp.datajob.it
151.78.48.83	A	mail.datajob.it
151.78.48.83	A	smtp2.datajob.it
151.78.48.84	PTR	smtp.datajob.it
151.78.48.219	A+PTR	mail.artambiente.com
151.78.48.219	A	artambiente.com
151.78.63.154	A	paparinos.it
151.78.64.13	A	news.amatoriale.net
151.78.64.167	A	mail.cpcmac.com
151.78.64.196	A	vpn.studio-dott-comm.it
151.78.64.208	A	studiodalmonte.com
151.78.64.208	A	mx.studiodalmonte.com
151.78.66.42	A	lascod.it
151.78.66.42	A	mail.lascod.com
151.78.66.42	A	mail.lascod.it
151.78.67.78	A+PTR	mail2.gennaro.it
151.78.67.88	A	mx.studiocts.com
151.78.67.96	PTR	smtp.buelli.com
151.78.67.96	A	mail.nrj.it
151.78.67.96	A	mail.buelli.it
151.78.69.9	A+PTR	remote.meclam.it
151.78.69.9	A	meclam.it
151.78.69.9	A	atomo.meclam.it
151.78.70.130	PTR	mail.otomec.it
151.78.70.139	A	dev.dibitec.eu
151.78.70.141	PTR	mx.imecospa.com
151.78.70.157	A	areariservata.dyndns-office.com
151.78.72.154	A	www.brainforming.it
151.78.73.119	A	medi-san.com
151.78.73.119	A	dietisansrl.com
151.78.73.119	A	consulenzacontabile.eu
151.78.73.147	A	mx.deltasistemi.eu
151.78.74.101	A+PTR	mail.coelme.it
151.78.74.113	A	mail2.centromedicodifisioterapia.it
151.78.74.113	A	mail.centromedicodifisioterapia.it
151.78.74.127	A	mail.nar-spa.com
151.78.74.151	PTR	mail.sicom-pd.it
151.78.74.159	A	mail2.studioravazzolo.com
151.78.77.21	A+PTR	dns.sutor.it
151.78.77.22	A+PTR	dns2.sutor.it
151.78.79.33	A+PTR	mail.sambuco.it
151.78.79.33	A	mail.derutaonline.com
151.78.79.33	A	mail.sambuco.ru