Robtex

Up: 193.0.241.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 193.0.241.0/26
Down right: 193.0.241.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.0.241.13	PTR	smtp.eroski.es
193.0.241.13	A	smtp.travelair-empresas.com
193.0.241.13	A	smtp.travelair-events.com
193.0.241.27	PTR	lofraso.csi-mad.es.colt.net
193.0.241.30	PTR	monserrato.csi-mad.es.colt.net
193.0.241.31	A+PTR	smtp1.eroski.es
193.0.241.32	A+PTR	smtp2.eroski.es
193.0.241.33	PTR	mail.solucionestecnos.com
193.0.241.37	PTR	platir.csi-mad.es.colt.net
193.0.241.38	A	mta.travelair-empresas.es
193.0.241.43	PTR	sacripante.csi-mad.es.colt.net
193.0.241.52	PTR	curcio.csi-mad.es.colt.net
193.0.241.52	A	citapreviaoptica.eroski.es
193.0.241.52	A	www.grupoeroski.es
193.0.241.54	PTR	cipion.csi-mad.es.colt.net
193.0.241.61	PTR	urrea.csi-mad.es.colt.net
193.0.241.80	PTR	donandar.csi-mad.es.colt.net
193.0.241.81	PTR	dorasta.csi-mad.es.colt.net
193.0.241.81	A	www2.compraonline.grupoeroski.com
193.0.241.81	A	www.compraonline.grupoeroski.com
193.0.241.82	PTR	ernalda.csi-mad.es.colt.net
193.0.241.82	A	electrohogar.eroski.es
193.0.241.84	PTR	issaries.csi-mad.es.colt.net
193.0.241.84	A	www.eroskimovil.es
193.0.241.86	PTR	lhankormhy.csi-mad.es.colt.net
193.0.241.86	A	equired.eroski.es
193.0.241.91	PTR	pamalt.csi-mad.es.colt.net
193.0.241.98	PTR	clapton.csi-mad.es.colt.net
193.0.241.99	PTR	gilmour.csi-mad.es.colt.net
193.0.241.99	A	proveedores-siec.eroski.es
193.0.241.100	PTR	hammet.csi-mad.es.colt.net
193.0.241.100	A	club.eroski.es
193.0.241.100	A	ideasanaeroski.com
193.0.241.101	PTR	hendrix.csi-mad.es.colt.net
193.0.241.101	A	eroski.es
193.0.241.101	A	www.eroski.es
193.0.241.102	PTR	kobain.csi-mad.es.colt.net
193.0.241.106	PTR	santana.csi-mad.es.colt.net
193.0.241.106	A	www.travelair-empresas.com
193.0.241.125	PTR	blackmore.csi-mad.es.colt.net