Robtex

Up: 77.89.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 77.89.48.0/22
Down right: 77.89.52.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.89.50.4	A	esva.crit-research.it
77.89.50.51	A	mail.trendsrl.com
77.89.50.52	A+PTR	posta.microsystem.it
77.89.50.52	A	bo.microsystem.it
77.89.50.53	A+PTR	mail.microsystem.it
77.89.50.69	A+PTR	mail.infolog.it
77.89.50.69	A	infolog.it
77.89.50.69	A	mail.infolog.eu
77.89.50.83	A	monitoring.adcsrl.it
77.89.50.83	A	minerva.adcsrl.it
77.89.50.83	A	oltoffshore.com
77.89.51.4	A+PTR	mail.diniargeo.com
77.89.51.4	A	mail.diniargeo.fr
77.89.51.4	A	mail.syntweb.it
77.89.51.19	PTR	smtp.apex.it
77.89.51.20	A	mail.apex.it
77.89.51.21	A	alfawassermann.it
77.89.51.21	A	apexonline.it
77.89.51.21	A	giovaniindustriali.mo.it
77.89.51.34	A	vivaidonzelli.it
77.89.51.34	A	evltorneria.it
77.89.51.34	A	pasticceriasanbiagio.it
77.89.51.38	PTR	web10.mutinanet.com
77.89.51.40	A	hispot.synchronet.it
77.89.51.42	A	hq02.mutinanet.com
77.89.51.43	A+PTR	hq03.mutinanet.com
77.89.51.44	PTR	hq04.mutinanet.com
77.89.51.44	A	radius.mutinanet.com
77.89.51.52	A	gw.igea.it
77.89.51.53	A+PTR	mail.igea.it
77.89.51.54	A	www.i-one.biz
77.89.51.54	A	dbmsonic.com
77.89.51.100	A	tileitalia.it
77.89.51.100	A	www.tiledizioni.it
77.89.51.100	A	www.ceramicworldweb.it
77.89.51.104	A	excellenceinpackaging.com
77.89.51.105	A	firstclassvip.it
77.89.51.105	A	mec-studies.com
77.89.51.105	A	s-b-s.it
77.89.51.109	PTR	mail.acimac.it
77.89.51.118	A+PTR	mail.modelleriacpc.it
77.89.51.118	A	mail.cpcgroup.it
77.89.51.154	A	mail.formulaconsorzio.it
77.89.51.154	A	troisi.formulaconsorzio.it
77.89.51.172	A	posta.caiforli.com
77.89.51.195	A	mail.crit-research.it
77.89.51.203	A	radaimpianti.it
77.89.51.203	A	mail.radaimpianti.it
77.89.52.2	A	www.vignoligraf.it
77.89.52.2	A	vignoligraf.it
77.89.52.19	A	mx1.diessearredamenti.it
77.89.52.19	A	mx1.diessearredamenti.eu
77.89.52.27	A+PTR	mail.dz-e.com
77.89.52.27	A	dz-e.com
77.89.52.28	A	dinozoli.it
77.89.52.28	A	www.dinozoli.it
77.89.52.55	A	mail.casadeipellizzaro.com
77.89.52.56	A	www.casadeipellizzaro.com
77.89.52.56	A	mail.sinergia-fo.it
77.89.52.69	A+PTR	mail.fiorinigroup.it
77.89.52.69	A	mail.heizer.it
77.89.52.69	A	posta.ebnerenergie.com
77.89.52.70	A	fiorini-industries.it
77.89.52.90	A	lylox.it
77.89.52.101	A	mail.rtsystem.com
77.89.52.101	A	rtsystem.fr
77.89.52.103	A	rtsystem.eu
77.89.52.133	A	www.england-tir.it
77.89.52.133	A	post.englandtirgroup.it
77.89.52.133	A	www.vat-solution.com
77.89.54.36	A	mhf.smart.it
77.89.54.55	A+PTR	host-77-89-54-55.ip.spadhausen.it
77.89.54.83	A+PTR	host-77-89-54-83.ip.spadhausen.it
77.89.54.83	A	ddtnuti.net
77.89.54.125	A	mailflow.spadhausen.com
77.89.54.139	A	posta.proni.com
77.89.54.151	A+PTR	mbox.teodoricoholiday.com
77.89.54.151	A	teodoricoholiday.com
77.89.54.152	A	confcommercio.ra.it
77.89.54.179	A+PTR	srvgg-mail-ra.gruppogesmar.it
77.89.54.179	A	mail.gruppogesmar.com
77.89.54.179	A	mail.vf-venieri.com
77.89.54.187	A	mail.selconravenna.it
77.89.54.194	A	tcravenna.it
77.89.54.194	A	smtp.tcravenna.it
77.89.54.206	A+PTR	ptr.sueco.it
77.89.54.219	A	mail.archibugi.it
77.89.54.228	A	mail1.mecpalmieri.com
77.89.54.236	A	exchange01.flyawaysports.com
77.89.54.236	A	exchange01.flyawaysport.com
77.89.54.245	A+PTR	mail.ranadiving.it
77.89.54.246	A	mail.resmarina.com
77.89.55.20	A	ordinibernardi.it
77.89.55.20	A	www.ordinibernardi.it
77.89.55.34	A	mail.cdpgroupspa.it
77.89.55.66	PTR	mail.egaf.it
77.89.55.66	A	mailbk.egaf.it
77.89.55.72	A+PTR	mail.egaf.it
77.89.55.72	A	mailw.egaf.it
77.89.55.77	A	mailbk.egafedizioni.it
77.89.55.77	A	mail.egafedizioni.it
77.89.55.85	PTR	mail.egaf.it
77.89.55.85	A	guidareinformati.com
77.89.55.85	A	egafedizioni.eu
77.89.55.117	A	mail.cosmogas.com
77.89.55.154	A	www.climateksrl.it
77.89.55.179	A+PTR	mail.ebrex.ch
77.89.55.202	A+PTR	mail.grandsoleil.it
77.89.55.202	A	mail.cantieredelpardo.it
77.89.55.202	A	mail.cantieredelpardo.com