Robtex

Up: 80.66.122.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 80.66.123.0/25
Down right: 80.66.123.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.66.123.4	A	visual1.visualonline.info
80.66.123.10	A	ftp.visualonline.info
80.66.123.13	A	sql.visualonline.info
80.66.123.25	PTR	cpanel1.esbelt.com
80.66.123.36	A	serialmail.iporium.net
80.66.123.59	PTR	mx01.servidaf.com
80.66.123.59	PTR	mx02.servidaf.com
80.66.123.59	A	mx04.igoaypatxi.com
80.66.123.100	PTR	www.oad.es
80.66.123.100	A	comiteolimpicoespanol.es
80.66.123.100	A	mail.tenderenk.net
80.66.123.101	A	deporteenlanube.es
80.66.123.101	A	www.deporteenlanube.es
80.66.123.103	A	ftp.coe.es
80.66.123.105	A	www.ado.es
80.66.123.105	A	ado.es
80.66.123.106	A	coe.info
80.66.123.106	A	coes.info
80.66.123.106	A	www.coes.info
80.66.123.109	PTR	win-lrm8rs9sh9p.ipv6.notesringservices.es
80.66.123.109	A	notesringservices.es
80.66.123.109	A	mail.necesitoreir.com
80.66.123.114	A	www.madrid2020.com
80.66.123.172	A	mariscoplus.es
80.66.123.172	A	mariscoplus.com
80.66.123.172	A	comprabo.com