Robtex

Up: 185.58.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 185.58.4.0/23
Down right: 185.58.6.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.58.4.1	PTR	host-1-static-4-58-185.net.arcolink.it
185.58.4.23	PTR	host-23-static-4-58-185.net.arcolink.it
185.58.4.43	PTR	host-43-static-4-58-185.net.arcolink.it
185.58.4.73	PTR	host-73-static-4-58-185.net.arcolink.it
185.58.4.129	PTR	host-129-static-4-58-185.net.arcolink.it
185.58.4.131	PTR	host-131-static-4-58-185.net.arcolink.it
185.58.4.137	PTR	host-137-static-4-58-185.net.arcolink.it
185.58.4.162	A	posta.pierotucci.com
185.58.4.167	PTR	host-167-static-4-58-185.net.arcolink.it
185.58.4.173	A+PTR	bc.biondisanti.it
185.58.4.175	PTR	host-175-static-4-58-185.net.arcolink.it
185.58.4.210	PTR	host-210-static-4-58-185.net.arcolink.it
185.58.4.237	PTR	host-237-static-4-58-185.net.arcolink.it
185.58.4.242	A+PTR	mail.sciarada.it
185.58.4.242	A	sciarada.it
185.58.5.29	A+PTR	gw-csm.ppp.net.arcolink.it
185.58.5.35	A+PTR	gw-pmb.ppp.net.arcolink.it
185.58.5.85	PTR	host-85-static-5-58-185.net.arcolink.it
185.58.5.98	PTR	host-98-static-5-58-185.net.arcolink.it
185.58.5.106	PTR	host-106-static-5-58-185.net.arcolink.it
185.58.5.111	PTR	host-111-static-5-58-185.net.arcolink.it
185.58.5.132	PTR	host-132-static-5-58-185.net.arcolink.it
185.58.5.253	PTR	host-253-static-5-58-185.net.arcolink.it
185.58.6.10	PTR	host-10-static-6-58-185.net.arcolink.it
185.58.6.49	PTR	mail.lacapannaccia.com
185.58.6.56	PTR	host-56-static-6-58-185.net.arcolink.it
185.58.6.58	PTR	host-58-static-6-58-185.net.arcolink.it
185.58.6.58	A	mail2.fralexmac.it
185.58.6.58	A	mail2.fralex.it
185.58.6.87	A+PTR	mail1.caravelspa.com
185.58.6.100	PTR	host-100-static-6-58-185.net.arcolink.it
185.58.6.179	PTR	host-179-static-6-58-185.net.arcolink.it
185.58.6.179	A	email.fabosrl.com
185.58.6.188	PTR	host-188-static-6-58-185.net.arcolink.it
185.58.6.195	PTR	mail.promel.it
185.58.6.195	A	mailalt.promel.it
185.58.6.204	A+PTR	mx1.bcspeakers.com
185.58.6.204	A	mx1.bcspeakers.it
185.58.6.206	A	mail.bcspeakers.com
185.58.6.207	PTR	host-207-static-6-58-185.net.arcolink.it
185.58.6.208	PTR	host-208-static-6-58-185.net.arcolink.it
185.58.6.218	PTR	host-218-static-6-58-185.net.arcolink.it
185.58.6.218	A	posta.intempo.it
185.58.6.226	A+PTR	securemailsend.net
185.58.6.226	A	mailservice.alixsirp.net
185.58.6.226	A	peg2.ath.cx
185.58.6.235	A+PTR	servmail2.syrom.it
185.58.6.254	PTR	host-254-static-6-58-185.net.arcolink.it
185.58.7.4	PTR	pbx20.mycloudpbx.it
185.58.7.4	A	mail.antonianaemergenza.it
185.58.7.4	A	nextit.org
185.58.7.5	PTR	pbx08.mycloudpbx.it
185.58.7.5	A	antonianaemergenza.com
185.58.7.11	PTR	pbx10.mycloudpbx.it
185.58.7.11	A	www.rucon.it
185.58.7.11	A	mail.paciferro.it
185.58.7.12	PTR	alpineholdings.net
185.58.7.12	PTR	elevationzone.net
185.58.7.12	PTR	ibdtesting.net
185.58.7.13	PTR	host-13-static-7-58-185.net.nextit.org
185.58.7.14	PTR	srv-st06.arcolink.it
185.58.7.15	PTR	myha-cls-fi.nextit.org
185.58.7.16	A	lnx04.nextit.org
185.58.7.19	A+PTR	smtp.ibconferences.org
185.58.7.22	PTR	host-22-static-7-58-185.net.nextit.org
185.58.7.22	A	ns1.nextit.info
185.58.7.27	PTR	vzwin02.nextit.org
185.58.7.27	A	mycloudpbx.it
185.58.7.27	A	libralex.it
185.58.7.28	PTR	pbx22.mycloudpbx.it
185.58.7.28	A	retrocomputer.org
185.58.7.28	A	mediacommerce.eu
185.58.7.34	A	esproprionline.org
185.58.7.34	A	esproprionline.it
185.58.7.34	A	patrimoniopubblico.net
185.58.7.42	A+PTR	ns.nextit.it
185.58.7.60	A	smtp.nextit.org
185.58.7.60	A	smtp.sigea.it
185.58.7.61	A	smtp.nextit.org
185.58.7.61	A	smtp.sigea.it
185.58.7.61	A	cmdrbarrett.net
185.58.7.62	A	smtp.nextit.org
185.58.7.62	A	smtp.sigea.it
185.58.7.65	PTR	vzlx11.nextit.org
185.58.7.65	A	kenparker.eu
185.58.7.65	A	www.mcvconsulting.it
185.58.7.66	PTR	srv-st01.arcolink.it
185.58.7.72	PTR	host-72-static-7-58-185.net.nextit.org
185.58.7.72	A	deiminivip.com
185.58.7.72	A	collinedelsole.com
185.58.7.75	PTR	vzlx07.nextit.org
185.58.7.78	PTR	host-78-static-7-58-185.net.nextit.org
185.58.7.78	A	gruppoagora.org
185.58.7.78	A	falanca.it
185.58.7.90	PTR	o2o.nextit.org
185.58.7.90	A	ns.netpn.biz
185.58.7.90	A	ns1.i-domini.it
185.58.7.91	PTR	ns2.i-domini.it
185.58.7.93	PTR	smsstation.antennago.it
185.58.7.94	PTR	host-94-static-7-58-185.net.nextit.org
185.58.7.94	A	www.solopec.com
185.58.7.94	A	hostwebservice.net
185.58.7.99	A	dns2.deconca.com
185.58.7.100	PTR	ns01-fi.net.nextit.org
185.58.7.100	A	ns1.net.nextit.org
185.58.7.100	A	ns1.net.arcolink.it
185.58.7.101	PTR	vps.deconca.com
185.58.7.101	A	mail.deconca.com
185.58.7.101	A	deconca.it
185.58.7.102	PTR	vz09.pieroninet.com
185.58.7.102	A	esproprionline.it
185.58.7.103	PTR	ns2.omniwork.eu
185.58.7.104	PTR	vzlx15.nextit.org
185.58.7.104	A	larteficio.com
185.58.7.104	A	carmetsnc.it
185.58.7.109	A	ns2.dirittodicronaca.it
185.58.7.112	PTR	vps.dirittodicronaca.it
185.58.7.112	A	muranicaffe.com
185.58.7.112	A	edizioniexpressiva.com
185.58.7.114	PTR	pbx11.mycloudpbx.it
185.58.7.115	PTR	vz02.pieroninet.com
185.58.7.116	PTR	host-116-static-7-58-185.net.nextit.org
185.58.7.116	A	be-blu.it
185.58.7.116	A	casseforti-muro.it
185.58.7.118	PTR	host-118-static-7-58-185.net.nextit.org
185.58.7.119	PTR	ns02.i-domini.it
185.58.7.120	PTR	host-120-static-7-58-185.net.nextit.org
185.58.7.120	A	ns.safinet.org
185.58.7.120	A	tuttocalcio.mobi
185.58.7.121	PTR	host-121-static-7-58-185.net.nextit.org
185.58.7.122	PTR	mail.toscani.com
185.58.7.123	PTR	lnx01.nextit.org
185.58.7.124	PTR	srv-st09.arcolink.it
185.58.7.124	A	mail.rudyparty.tv
185.58.7.124	A	mail.rudyparty.com
185.58.7.127	PTR	host-127-static-7-58-185.net.nextit.org
185.58.7.131	PTR	host-131-static-7-58-185.net.nextit.org
185.58.7.147	PTR	host-147-static-7-58-185.net.nextit.org
185.58.7.154	PTR	host-154-static-7-58-185.net.nextit.org
185.58.7.159	PTR	host-159-static-7-58-185.net.nextit.org
185.58.7.164	A	ns.redbrick.it
185.58.7.167	PTR	host-167-static-7-58-185.net.nextit.org
185.58.7.167	A	posta.redbrick.it
185.58.7.167	A	mail.lionsclubpontedera.it
185.58.7.168	PTR	host-168-static-7-58-185.net.nextit.org
185.58.7.169	PTR	host-169-static-7-58-185.net.nextit.org
185.58.7.169	A	red-brick.it
185.58.7.169	A	santerinimacchine.it
185.58.7.172	PTR	host-172-static-7-58-185.net.nextit.org
185.58.7.172	A	www.museopiaggio.it
185.58.7.172	A	fondazionepiaggio.it
185.58.7.173	PTR	host-173-static-7-58-185.net.nextit.org
185.58.7.173	A	www.bandecchievivaldi.com
185.58.7.173	A	www.italvernici.com
185.58.7.174	PTR	host-174-static-7-58-185.net.nextit.org
185.58.7.176	PTR	host-176-static-7-58-185.net.nextit.org
185.58.7.176	A	www.tornabuoniart.com
185.58.7.176	A	tornabuoniarte.com
185.58.7.180	PTR	host-180-static-7-58-185.net.nextit.org
185.58.7.180	A	pistolesi.com
185.58.7.181	A	www.paolapontarollo.com
185.58.7.181	A	informareunh.it
185.58.7.181	A	www.alternamente.com
185.58.7.200	A+PTR	vps.tamburinisrl.it
185.58.7.200	A	mail.grafichetamburini.com
185.58.7.200	A	gtsleeve.com
185.58.7.209	PTR	web10.ideasoftware.pro
185.58.7.209	A	azetaprogetti.net
185.58.7.209	A	maurogiusti.it
185.58.7.217	A+PTR	vps.safinet.org
185.58.7.217	A	tuttocalcio.mobi
185.58.7.217	A	elitecasaluxury.com
185.58.7.221	PTR	web9.ideasoftware.pro
185.58.7.221	A	www.autostile.it
185.58.7.221	A	studioclima.info
185.58.7.222	PTR	web8.ideasoftware.pro