Robtex

Up: 185.20.64.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 185.20.64.0/23
Down right: 185.20.66.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.20.64.34	PTR	static-185-20-64-34.clienti.fibraweb.it
185.20.64.34	A	xmobile.it
185.20.64.34	A	maglital.com
185.20.64.128	PTR	static-185-20-64-128.clienti.fibraweb.it
185.20.64.129	PTR	static-185-20-64-129.clienti.fibraweb.it
185.20.64.142	PTR	mx.lorenaantoniazzi.it
185.20.64.167	A	studio-fiscale.net
185.20.64.189	PTR	static-185-20-64-189.clienti.fibraweb.it
185.20.64.190	A+PTR	r01.automigliorgas.fibraweb.it
185.20.64.190	PTR	static-185-20-64-190.clienti.fibraweb.it
185.20.64.198	A+PTR	mail.sekuritalia.it
185.20.64.219	A+PTR	mail.ujet.it
185.20.64.226	PTR	static-185-20-64-226.clienti.fibraweb.it
185.20.64.226	A	servicedns.net
185.20.65.34	A	www.stoasoftware.it
185.20.65.45	PTR	eng-v008.pontiengineering.eu
185.20.65.45	A+PTR	eng-v008.pontiengineering.it
185.20.65.61	A	mail.megaservices.it
185.20.66.2	PTR	static-185-20-66-2.clienti.fibraweb.it
185.20.66.4	PTR	www.micra.it
185.20.66.4	A	www.micrapg.com
185.20.66.5	A	mx.micrapg.com
185.20.66.33	PTR	static-185-20-66-33.clienti.fibraweb.it
185.20.66.53	A	mail.mericat.it
185.20.66.53	A	mail.mateg.it
185.20.66.71	A	mail2.farmaservicecentroitalia.it
185.20.66.72	A	mail.federfarmaumbria.it
185.20.66.100	A+PTR	relay02.imac-italia.it
185.20.66.100	A	relay02.primigi.com
185.20.66.102	A+PTR	spdns.imac-italia.it
185.20.66.103	PTR	mails2.imac-italia.it
185.20.66.103	A	mails2.igieco.com
185.20.66.104	A	primigicollezione.com
185.20.66.104	A	igieco.it
185.20.66.104	A	primigistore.it
185.20.66.134	A	hermesdash.com
185.20.66.153	A	chebandi.it
185.20.66.177	A	mail2.nexocorp.it
185.20.66.177	A	mail.nexocorp.it
185.20.66.177	A	ns1.nexocorp.com
185.20.66.182	A	umbriafrigo.no-ip.net
185.20.66.202	A+PTR	mail2.servizi-associati.it
185.20.66.202	A	serviziperlasanita.com
185.20.66.202	A	ns1.serviziperlasanita.com
185.20.66.219	A+PTR	postino2.inumbria.it
185.20.66.220	A+PTR	dns1.otium.it
185.20.66.220	A	dns1.inumbria.it
185.20.67.4	A+PTR	ns4.fibraweb.it
185.20.67.20	A+PTR	web02.fibraweb.it
185.20.67.20	A	fibraweb.it
185.20.67.59	PTR	mail.cancelloni.it
185.20.67.59	A	webmail.cancelloni.it
185.20.67.67	A	mx1.ceuimpianti.it
185.20.67.75	A+PTR	sp1.voip.fibraweb.it
185.20.67.110	A	www.montitrasimeno.umbria.it
185.20.67.115	A+PTR	mail.becchetti.it
185.20.67.117	A	www.webbificio.com
185.20.67.117	A	webbificio.com
185.20.67.117	A	www.becchetti.it
185.20.67.122	A+PTR	ucexc2007.umbracontrol.it
185.20.67.122	A	mail.umbracontrol.it
185.20.67.125	A	squdo.it
185.20.67.130	A+PTR	mail.sevenfrigo.eu
185.20.67.140	A	vendomat.it
185.20.67.140	A	wendum.de
185.20.67.140	A	www.liomatic-servizi.it
185.20.67.145	PTR	mailgw.liomatic.it
185.20.67.145	A	mailgw.immobiliaresspirito.com