Robtex

Up: 77.89.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 77.89.48.0/21
Down right: 77.89.56.0/21
(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
77.89.51.52	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
77.89.51.118	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
77.89.52.55	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
77.89.54.194	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
77.89.55.85	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
77.89.56.5	A+PTR	pcline.pclinenet.com
77.89.56.5	A	pcline.crpbortolotti.org
77.89.56.5	A	pcline.virtuspavullese.org
77.89.56.18	A+PTR	villapineta.villapineta.it
77.89.56.26	PTR	mail.parchiemiliacentrale.it
77.89.56.26	A	mail.parcofrignano.it
77.89.56.35	A	mail1.ptlsrl.com
77.89.56.42	A+PTR	mail.royalseeds.it
77.89.56.51	A	mail.ods-distribuzione.it
77.89.56.51	A	mail.fortunaimm.it
77.89.56.83	PTR	mail.gulliver.mo.it
77.89.56.83	A	mailwimax.gulliver.mo.it
77.89.56.83	A	mailfibra.gulliver.mo.it
77.89.56.98	PTR	server-posta.sautool.it
77.89.56.98	A	mbox.sautool.com
77.89.56.98	A	mbox.sautool.it
77.89.56.124	A+PTR	webmail.atomogroup.com
77.89.56.124	A+PTR	webmail.carbopress.com
77.89.56.124	A+PTR	webmail.atomo.co.uk
77.89.56.126	A+PTR	esva.offimpero.it
77.89.56.147	A+PTR	mail.impresalevratti.it
77.89.56.147	A	mail.modenaparts.com
77.89.56.170	A+PTR	mail.sicurpal.it
77.89.56.170	A	satcom.sicurpal.it
77.89.56.198	A	mail.mantovanibenne.com
77.89.56.206	A+PTR	mail.tironi.com
77.89.56.214	A	remote2.hidromatic.it
77.89.56.250	A	mail.ecowater-systems.it