Robtex

Up: 80.91.72.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 80.91.72.0/25
Down right: 80.91.72.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.91.72.136	A+PTR	mail.redabogacia.org
80.91.72.136	A	mail2.icacuenca.org
80.91.72.136	A	mail2.icavic.cat
80.91.72.137	A	www.icasv-bilbao.com
80.91.72.137	A	www.cadeca.es
80.91.72.137	A	icasal.es
80.91.72.139	A	www.icali.es
80.91.72.141	A	icaorihuela.com
80.91.72.142	A	icamalaga.es
80.91.72.143	A	icaguadalajara.com
80.91.72.143	A	www.icaguadalajara.org
80.91.72.168	A	www.reicaz.es
80.91.72.168	A	reicaz.org.es
80.91.72.168	A	reicaz.es
80.91.72.175	A	www.ventanillaunicacogiti.es
80.91.72.182	A	icajaen.es
80.91.72.182	A	www.icava.org
80.91.72.182	A	www.advocatsreus.org
80.91.72.189	A	ventanillaunicacgcoo.es
80.91.72.210	A	webmail.icamalaga.es
80.91.72.210	A	mail.tribunalarbitraldemalaga.net
80.91.72.210	A	tango-salon.com
80.91.72.230	A	hostmaster.icaib.org
80.91.72.230	A	*.icaib.org
80.91.72.230	A	net.icaib.org