Robtex

Up: 217.58.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 217.58.32.0/20
Down right: 217.58.48.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.58.32.30	PTR	host-217-58-32-30.business.telecomitalia.it
217.58.33.254	A	mail.montecavi.it
217.58.34.66	A	mail.silconplastic.it
217.58.34.178	A	mail.isodomus.com
217.58.36.7	PTR	host7-36-static.58-217-b.business.telecomitalia.it
217.58.36.226	A	mail.elettromedia.it
217.58.36.238	PTR	host-217-58-36-238.business.telecomitalia.it
217.58.36.238	A	host238-36-static.58-217-b.business.telecomitalia.it
217.58.37.10	A+PTR	host10-37-static.58-217-b.business.telecomitalia.it
217.58.37.10	A	webmail.ctlay.com
217.58.37.85	A	mail2.meseta.it
217.58.37.85	A	mail2.coind.com
217.58.37.100	A	domino.arditi.com
217.58.37.162	PTR	mail.tema-srl.com
217.58.37.196	A	mail.parmaqualita.it
217.58.37.222	A+PTR	host222-37-static.58-217-b.business.telecomitalia.it
217.58.38.54	A	mail.aphea.it
217.58.38.54	A	mail.bcit.it
217.58.38.211	A	mx1.esseellelaterizi.it
217.58.39.160	PTR	host160-39-static.58-217-b.business.telecomitalia.it
217.58.39.247	A	host247-39-static.58-217-b.business.telecomitalia.it
217.58.40.2	A	host2-40-static.58-217-b.business.telecomitalia.it
217.58.40.19	A	host19-40-static.58-217-b.business.telecomitalia.it
217.58.40.21	A	host21-40-static.58-217-b.business.telecomitalia.it
217.58.40.28	A	mail.exactaoptech.com
217.58.40.114	A	host114-40-static.58-217-b.business.telecomitalia.it
217.58.40.122	A	host122-40-static.58-217-b.business.telecomitalia.it
217.58.40.219	A	proxy01.ova.it
217.58.40.219	A	host219-40-static.58-217-b.business.telecomitalia.it
217.58.40.222	A	mail.ova.it
217.58.41.42	A+PTR	host42-41-static.58-217-b.business.telecomitalia.it
217.58.41.42	A	mail.hidromatic.it
217.58.41.42	A	remote.hidromatic.it
217.58.41.62	A	confagricoltura.re.it
217.58.41.171	A	mailsrv.studioguidotti.it
217.58.41.171	A	mailsrv.studio-guidotti.net
217.58.41.171	A	mailsrv.studio-guidotti.com
217.58.41.194	PTR	host194-41-static.58-217-b.business.telecomitalia.it
217.58.41.194	A	mail.arpac.it
217.58.41.210	PTR	host210-41-static.58-217-b.business.telecomitalia.it
217.58.41.210	A	mail.bininipartners.it
217.58.41.227	A	www.giessei.it
217.58.41.240	PTR	host240-41-static.58-217-b.business.telecomitalia.it
217.58.41.240	A	mail.giessei.it
217.58.42.10	A	host10-42-static.58-217-b.business.telecomitalia.it
217.58.42.25	A	host25-42-static.58-217-b.business.telecomitalia.it
217.58.42.26	A	host26-42-static.58-217-b.business.telecomitalia.it
217.58.42.33	PTR	host33-42-static.58-217-b.business.telecomitalia.it
217.58.42.34	A+PTR	host34-42-static.58-217-b.business.telecomitalia.it
217.58.42.42	A	host42-42-static.58-217-b.business.telecomitalia.it
217.58.42.45	A	host45-42-static.58-217-b.business.telecomitalia.it
217.58.42.58	A	mail.studioghiretti.it
217.58.42.70	A	host70-42-static.58-217-b.business.telecomitalia.it
217.58.42.79	A	host79-42-static.58-217-b.business.telecomitalia.it
217.58.42.84	A	host84-42-static.58-217-b.business.telecomitalia.it
217.58.42.92	A	host92-42-static.58-217-b.business.telecomitalia.it
217.58.42.96	A+PTR	host96-42-static.58-217-b.business.telecomitalia.it
217.58.42.97	A+PTR	host97-42-static.58-217-b.business.telecomitalia.it
217.58.42.98	A+PTR	host98-42-static.58-217-b.business.telecomitalia.it
217.58.42.103	A	host103-42-static.58-217-b.business.telecomitalia.it
217.58.42.129	A+PTR	host129-42-static.58-217-b.business.telecomitalia.it
217.58.42.135	A	host135-42-static.58-217-b.business.telecomitalia.it
217.58.42.144	A	host144-42-static.58-217-b.business.telecomitalia.it
217.58.42.145	A	host145-42-static.58-217-b.business.telecomitalia.it
217.58.42.162	PTR	host162-42-static.58-217-b.business.telecomitalia.it
217.58.42.162	A	dns.brainbee.it
217.58.42.162	A	server02.brainbee.com
217.58.42.166	A	dns.brainbeeiberica.com
217.58.42.192	A+PTR	host192-42-static.58-217-b.business.telecomitalia.it
217.58.42.194	A	ip01.masterdoor.it
217.58.42.194	A	mail.masterdoor.it
217.58.42.194	A	main.masterdoor.it
217.58.42.195	PTR	host195-42-static.58-217-b.business.telecomitalia.it
217.58.42.231	A	host231-42-static.58-217-b.business.telecomitalia.it
217.58.42.237	A	host237-42-static.58-217-b.business.telecomitalia.it
217.58.42.239	A	host239-42-static.58-217-b.business.telecomitalia.it
217.58.42.249	A	host249-42-static.58-217-b.business.telecomitalia.it
217.58.43.2	A	mail.buraniinterfood.com
217.58.43.2	A	mail01.buraniinterfood.com
217.58.43.51	A	mx1.graziosicontainers.com
217.58.43.52	A+PTR	host52-43-static.58-217-b.business.telecomitalia.it
217.58.43.52	A	graziosicontainers.com
217.58.43.99	PTR	mail1.coopedileartigiana.com
217.58.43.99	A	mail1.ceaegypt.com
217.58.43.211	A	sbs.studiogattara.it
217.58.46.6	A	mail2.isep.it
217.58.46.50	A+PTR	host50-46-static.58-217-b.business.telecomitalia.it
217.58.46.75	A	mail.emiliaromagnateatro.com
217.58.46.82	A+PTR	server.serital.com
217.58.46.82	A	ns1.serital.com
217.58.46.132	PTR	sms1.sintofarm.it
217.58.46.132	A	sea.sintofarm.it
217.58.46.138	A+PTR	host138-46-static.58-217-b.business.telecomitalia.it
217.58.46.212	A+PTR	host212-46-static.58-217-b.business.telecomitalia.it
217.58.46.213	A+PTR	host213-46-static.58-217-b.business.telecomitalia.it
217.58.46.214	A+PTR	host214-46-static.58-217-b.business.telecomitalia.it
217.58.46.215	A+PTR	host215-46-static.58-217-b.business.telecomitalia.it
217.58.47.14	A+PTR	host14-47-static.58-217-b.business.telecomitalia.it
217.58.47.14	A	tiber2000.it
217.58.47.224	A+PTR	host224-47-static.58-217-b.business.telecomitalia.it
217.58.48.40	A	host40-48-static.58-217-b.business.telecomitalia.it
217.58.48.50	A	mail.bimatech.com
217.58.48.96	A	host96-48-static.58-217-b.business.telecomitalia.it
217.58.48.144	A	host144-48-static.58-217-b.business.telecomitalia.it
217.58.48.152	A	host152-48-static.58-217-b.business.telecomitalia.it
217.58.48.231	A	host231-48-static.58-217-b.business.telecomitalia.it
217.58.49.31	A	host31-49-static.58-217-b.business.telecomitalia.it
217.58.49.35	A	host35-49-static.58-217-b.business.telecomitalia.it
217.58.49.95	A	host95-49-static.58-217-b.business.telecomitalia.it
217.58.49.192	A	host192-49-static.58-217-b.business.telecomitalia.it
217.58.49.207	A	host207-49-static.58-217-b.business.telecomitalia.it
217.58.49.216	A	host216-49-static.58-217-b.business.telecomitalia.it
217.58.50.35	PTR	host35-50-static.58-217-b.business.telecomitalia.it
217.58.50.35	A	mail2.falcbeijing.cn
217.58.50.35	A	mail2.naturinostore.es
217.58.50.83	A	mx2.marinellicucine.it
217.58.50.83	A	mx1.marinellicucine.it
217.58.50.194	PTR	host194-50-static.58-217-b.business.telecomitalia.it
217.58.50.194	A	laserinformatica.it
217.58.50.194	A	mail.habitatgroup.eu
217.58.50.227	PTR	host227-50-static.58-217-b.business.telecomitalia.it
217.58.50.227	A	mail2.camacartigrafiche.it
217.58.50.227	A	mail.camacartigrafiche.com
217.58.51.22	A	ip01.masterdoor.it
217.58.51.22	A	mail.masterdoor.it
217.58.51.86	A+PTR	host86-51-static.58-217-b.business.telecomitalia.it
217.58.51.86	A	mail.rudolf-keller.it
217.58.53.50	A	mx20.sanpatrignano.it
217.58.53.50	A	mx10.sanpatrignano.org
217.58.53.164	A	host164-53-static.58-217-b.business.telecomitalia.it
217.58.53.183	A	host183-53-static.58-217-b.business.telecomitalia.it
217.58.54.98	A+PTR	host98-54-static.58-217-b.business.telecomitalia.it
217.58.54.127	A	host127-54-static.58-217-b.business.telecomitalia.it
217.58.56.4	A+PTR	host4-56-static.58-217-b.business.telecomitalia.it
217.58.56.14	A	host14-56-static.58-217-b.business.telecomitalia.it
217.58.56.40	A	host40-56-static.58-217-b.business.telecomitalia.it
217.58.56.45	A	host45-56-static.58-217-b.business.telecomitalia.it
217.58.56.46	A	server.asl9.marche.it
217.58.56.46	A	asl9.marche.it
217.58.56.128	A+PTR	host128-56-static.58-217-b.business.telecomitalia.it
217.58.56.143	A	host143-56-static.58-217-b.business.telecomitalia.it
217.58.56.146	A	host146-56-static.58-217-b.business.telecomitalia.it
217.58.57.7	A	gateway.barchemicals.it
217.58.57.7	A	mail.suasumsrl.com
217.58.57.32	A	host32-57-static.58-217-b.business.telecomitalia.it
217.58.57.64	A+PTR	host64-57-static.58-217-b.business.telecomitalia.it
217.58.57.96	A	host96-57-static.58-217-b.business.telecomitalia.it
217.58.57.128	A+PTR	host128-57-static.58-217-b.business.telecomitalia.it
217.58.57.224	A	host224-57-static.58-217-b.business.telecomitalia.it
217.58.58.54	A	ognibene.com
217.58.58.54	A	ognibenepower.com
217.58.58.54	A	www.ognibene.com
217.58.58.55	A	mail.ognibene.com
217.58.58.141	A	mail2.sarcia.it
217.58.59.46	A	mail1.operadiocesanasanbernardo.it
217.58.59.46	A	mail.operadiocesanasanbernardo.it
217.58.60.16	A	mail.u-boatwatch.org
217.58.60.16	A	exchange.u-boatwatch.net
217.58.60.16	A	exchange.u-boatwatch.biz
217.58.60.66	PTR	host66-60-static.58-217-b.business.telecomitalia.it
217.58.60.66	A	mail.galaxiastore.it
217.58.60.74	A	posta.saste.it
217.58.60.82	A	security.gambaservice.net
217.58.60.82	A	security.gambabo.net
217.58.60.160	A	host160-60-static.58-217-b.business.telecomitalia.it
217.58.60.186	A	host186-60-static.58-217-b.business.telecomitalia.it
217.58.60.209	A	fratelliballanti.com
217.58.61.49	A	host49-61-static.58-217-b.business.telecomitalia.it
217.58.61.243	A	host243-61-static.58-217-b.business.telecomitalia.it
217.58.61.243	A	mail-srv.faberspa.it