Robtex

Up: 217.19.150.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 217.19.151.0/25
Down right: 217.19.151.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.19.151.6	A+PTR	i3plus.it
217.19.151.6	A	i3plus.eu
217.19.151.6	A	mail.i3plus.it
217.19.151.7	A	www.adaciformanagement.it
217.19.151.8	A	mx1.icubeplus.it
217.19.151.8	A	mx1.impresaclic.it
217.19.151.8	A	mx3.connexogroup.com
217.19.151.13	PTR	mx4.connexogroup.com
217.19.151.13	A	connexogroup.it
217.19.151.13	A	mx.impresaclic.it
217.19.151.40	A+PTR	dns1.rocketway.it
217.19.151.40	A	paolone.biz
217.19.151.41	A+PTR	mail.rocketway.it
217.19.151.41	A	mail.kaclub.it
217.19.151.41	A	mail.paolone.biz
217.19.151.42	A+PTR	mail2.rocketway.it
217.19.151.43	A	lavilladelseminario.com
217.19.151.43	A	www.kaclub.it
217.19.151.43	A	iz1mte.com
217.19.151.45	A+PTR	dns2.rocketway.it
217.19.151.132	A	tisifone.eridia.it
217.19.151.133	A	megera.eridia.it
217.19.151.134	A	inanna.eridia.it
217.19.151.136	A	astride.eridia.it
217.19.151.137	A	eudora.eridia.it
217.19.151.138	A	talia.eridia.it
217.19.151.139	A	euterpe.eridia.it
217.19.151.140	A	melpomene.eridia.it
217.19.151.141	A	erato.eridia.it
217.19.151.144	A	urania.eridia.it
217.19.151.145	A	clio.eridia.it
217.19.151.146	A	polimnia.eridia.it
217.19.151.147	A	dioxippe.eridia.it
217.19.151.154	A	taigete.eridia.it
217.19.151.155	A	maia.eridia.it
217.19.151.158	A	dione.eridia.it
217.19.151.159	A	ambrosia.eridia.it
217.19.151.162	A	eurinome.eridia.it
217.19.151.163	A+PTR	mail2.indena.com
217.19.151.170	A	calipso.eridia.it
217.19.151.182	A	merope.eridia.it
217.19.151.183	A	galatea.eridia.it
217.19.151.190	A	mail.antitrash.it
217.19.151.190	A	mail.etno-communication.it
217.19.151.190	A	mail.nuovicittadini.it
217.19.151.210	A+PTR	host-217-19-151-210.ip.retelit.it
217.19.151.210	A	supportaccess.sophos.com
217.19.151.211	A+PTR	host-217-19-151-211.ip.retelit.it
217.19.151.227	A	docsweb.it
217.19.151.228	A+PTR	mail.challenge4.it
217.19.151.228	A+PTR	mail.sbitalia.com
217.19.151.228	A	mail.sbiitalia.com
217.19.151.240	A	webproxy.sbitalia.com
217.19.151.240	A	www.cordusiofiduciaria.it
217.19.151.245	A+PTR	relay.sbitalia.com
217.19.151.245	A	docsweb.it
217.19.151.245	A	sbitalia.it