Robtex

Up: 77.73.56.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 77.73.56.0/23
Down right: 77.73.58.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.73.57.5	A+PTR	smtp-out-a.aci.it
77.73.57.6	A+PTR	smtp-out-b.aci.it
77.73.57.9	A	online.aci.it
77.73.57.11	A	servizi.aci.it
77.73.57.14	PTR	ns-a.aci.it
77.73.57.14	A	ns1.aci.it
77.73.57.16	A+PTR	ns-b.aci.it
77.73.57.53	A	mailcert.informatica.aci.it
77.73.57.54	A+PTR	mx.cert.informatica.aci.it
77.73.57.55	PTR	smtpcert.informatica.aci.it
77.73.57.57	A	smtp-out-c.aci.it
77.73.57.64	A+PTR	smtp-4.aci.it
77.73.57.65	A	www.viaggiaresicuri.it
77.73.57.67	A	mx.acinfo-test.it
77.73.57.72	A	lavocequestre.it
77.73.57.72	A	2020roma.it
77.73.57.74	A	csai.aci.it
77.73.57.74	A	www.csai.aci.it
77.73.57.77	A	stat.italia.it
77.73.57.78	A	www.italia.it
77.73.57.78	A	www.turistia4zampe.it
77.73.57.78	A	signamaris.net
77.73.57.80	A	ns2.italia.it
77.73.57.85	A	www.roma.luceverde.it
77.73.57.85	A	roma.luceverde.it
77.73.57.86	A	joinitaly.it
77.73.57.88	A	coscienzadeglianimali.org
77.73.57.88	A	coscienzadeglianimali.it
77.73.57.88	A	lacoscienzadeglianimali.it
77.73.57.93	A	ftp.luceverde.it
77.73.57.102	PTR	smtp-1.sipnet.it
77.73.57.102	A	mail.commercialcarri.com
77.73.57.102	A	mail.patentequizonline.it
77.73.57.107	A	mail.agenzialenarduzzi.it
77.73.57.134	A+PTR	smtp1int.coni.it
77.73.57.176	A	mail.badmintonitalia.it
77.73.57.176	A	smtp.fise.it
77.73.57.176	A	smtp.coninet.it
77.73.57.181	A	dns-b.coni.it
77.73.57.181	A	dns-a.coni.it
77.73.57.181	A	a.ns.badminton-italia.com
77.73.57.202	A	demo.coninet.it
77.73.57.203	A+PTR	mx.coni.it
77.73.57.237	A	usaclimi.it
77.73.57.239	PTR	mail.dglsrl.it
77.73.57.239	A	mail-a.ggnet.it
77.73.57.241	A	educamp-coni.it
77.73.57.241	A	asdmontadalavoroetradizione.it
77.73.57.245	A	mettiamocilafaccia.it
77.73.58.25	PTR	mail.buffetti.it
77.73.58.37	PTR	mail.gruppobuffetti.it
77.73.58.43	PTR	pdvmail.gruppobuffetti.it
77.73.58.95	PTR	spamtitan.buffetti.it
77.73.58.114	PTR	ecomb.buffetti.it
77.73.58.132	A+PTR	mail.unrae.net
77.73.58.132	A	az.azinfo.it
77.73.58.139	A+PTR	gw.federauto.eu
77.73.58.139	A	federauto.eu
77.73.58.140	A	unraeservizi.com
77.73.58.140	A	www.unraeservizi.com
77.73.58.147	A	gw8.unraeservizi.com
77.73.58.150	A	gateway150.azinfo.it
77.73.58.150	A	gw150.azinfo.it
77.73.58.157	A	azcos.it
77.73.58.160	A	gw160.azinfo.it
77.73.58.163	A	unrae.it
77.73.58.165	A	gw165.azinfo.it
77.73.58.173	A+PTR	gw173.unrae.it
77.73.58.173	A	www.unrae.it
77.73.58.175	A	anfiaservizi.com
77.73.58.179	A	mail.azcos.it
77.73.58.180	A	npimail.unraeservizi.com
77.73.58.184	A	demo.azdoc.it
77.73.58.221	A	s3.dirittoitalia.it
77.73.58.231	PTR	mail.seasoft.it
77.73.58.243	A	unrae.it
77.73.59.68	A	login.aci.it
77.73.59.71	A	www.luceverde.it
77.73.59.71	A	luceverde.it
77.73.59.71	A	www.aci.it
77.73.59.74	A	www.informatica.aci.it
77.73.59.74	A	informatica.aci.it
77.73.59.78	A	www.giochidellagioventu.it
77.73.59.78	A	coniservizi.it
77.73.59.132	A	1app8.net
77.73.59.135	A	mail.sparkling18.com
77.73.59.135	A	mail.sparkling18.net