Robtex

Up: 80.64.36.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 80.64.36.0/24
Down right: 80.64.37.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.64.36.5	A+PTR	r0.grn.es
80.64.36.9	PTR	routers009.grn.es
80.64.36.34	PTR	r0-mad.grn.es
80.64.36.36	A+PTR	r1-mad.grn.es
80.64.36.37	PTR	unused037.grn.es
80.64.36.53	PTR	unused053.grn.es
80.64.36.53	A	r0-mad.grn.es
80.64.36.53	A	r0.mad.grn.es
80.64.36.54	PTR	unused054.grn.es
80.64.36.54	A	r1-mad.grn.es
80.64.36.60	PTR	unused060.grn.es
80.64.36.60	A	ac0.mad.grn.es
80.64.36.127	A+PTR	unused127.grn.es
80.64.36.128	PTR	unused128.grn.es
80.64.36.143	PTR	unused143.grn.es
80.64.36.144	PTR	unused144.grn.es
80.64.36.198	PTR	unused198.grn.es
80.64.37.2	PTR	sdsl37002.grn.es
80.64.37.20	PTR	sdsl37020.grn.es
80.64.37.21	A	sdsl37021.grn.es
80.64.37.54	A	servidor2.cafescornella.es
80.64.37.71	PTR	wimax37071.grn.es
80.64.37.71	A	ribicontrol.com
80.64.37.71	A	www.ribisistemes.com
80.64.37.81	A+PTR	wimax37081.grn.es
80.64.37.81	A	www.labisbal.org
80.64.37.81	A	labisbal.org
80.64.37.83	A	wimax.roberlo.com
80.64.37.93	A+PTR	mail.coevagi.com
80.64.37.93	A	*.coevagi.com
80.64.37.93	A	mail2.coevagi.com
80.64.37.99	A	masterfrio.masterfrio.com
80.64.37.113	A	mx2.rmt.es
80.64.37.114	PTR	wimax37114.grn.es
80.64.37.114	A	mail2.abfhome.com
80.64.37.114	A	mail2.friselva.com
80.64.37.120	A+PTR	smtp1.audifilm.com
80.64.37.120	A	audifilm.com
80.64.37.120	A	dns1.audifilm.com
80.64.37.122	A	mail.coevagrup.com
80.64.37.126	A	mail.cbc-girona.es
80.64.37.128	A+PTR	wimax37128.grn.es
80.64.37.128	A	gw.comercialpaperera.com
80.64.37.130	A	wimax37130.grn.es
80.64.37.136	PTR	mail.manter.es
80.64.37.138	A	gw3.aplielec.com
80.64.37.138	A	gw3.aetech.es
80.64.37.174	A	gw.gestiogirona.com
80.64.37.174	A	wimax37174.grn.es
80.64.37.178	A+PTR	wimax37178.grn.es
80.64.37.178	A	mail.santdalmai.biz
80.64.37.178	A	mail.iberjam.es
80.64.37.179	PTR	wimax37179.grn.es
80.64.37.180	PTR	wimax37180.grn.es
80.64.37.180	A	exchange2.esteba.com
80.64.37.181	PTR	mail.roberlo.com
80.64.37.181	A	wimax.roberlo.com
80.64.37.181	A	wimax37181.grn.es
80.64.37.183	A	vpnterreal.dyn.grn.es
80.64.37.183	A	vpn.terreal.es
80.64.37.183	A	gw.terreal.es
80.64.37.185	A+PTR	wimax37185.grn.es
80.64.37.185	A	mail.infocatconsulting.com
80.64.37.185	A	intranet2.infocatconsulting.com
80.64.37.194	A+PTR	mail.tavil.net
80.64.37.194	A	pop3.tavil.net
80.64.37.194	A	filemon.tavil.net
80.64.37.202	A+PTR	wimax37202.grn.es
80.64.37.206	A+PTR	wimax37206.grn.es
80.64.37.206	A	ocineblanes.es
80.64.37.206	A	www.ocineblanes.es
80.64.37.209	A	dune.grn.es
80.64.37.214	A	wimax37214.grn.es
80.64.37.218	A+PTR	wimax37218.grn.es
80.64.37.227	A	www.emg.cat
80.64.37.233	A	wimax37233.grn.es
80.64.37.237	A	mail.girones.cat
80.64.37.239	A+PTR	wimax37239.grn.es