Robtex

Up: 217.15.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 217.15.40.0/22
Down right: 217.15.44.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.15.40.16	PTR	www.enerclub.es
217.15.40.16	A	enerclub.es
217.15.41.21	A+PTR	mail.gdoelectric.com
217.15.41.36	A	normadata.com
217.15.41.43	PTR	mailmad.meytel.com
217.15.41.44	PTR	mailmadbk.meytel.com
217.15.41.126	A+PTR	fomx.fundaciononce.es
217.15.41.133	A	www.todaley.com
217.15.41.135	A	ns1.conpapeles.com
217.15.41.135	A	www.becas.com
217.15.41.140	A	mail.ortigosa.es
217.15.41.140	A	mail.econet.es
217.15.41.140	A	morpho.inauta.com
217.15.41.193	A	entretiene.com
217.15.41.209	A	mail.randstad.es
217.15.41.219	A	randstad-esolutions.com
217.15.41.243	PTR	randstad.es
217.15.41.243	PTR	www.randstad.es
217.15.41.243	A	www.randstadinhouseservices.es
217.15.42.16	A	network3.inauta.com
217.15.42.17	A	gw3.inauta.com
217.15.42.20	A	remo.inauta.com
217.15.42.20	A	kratos.inauta.com
217.15.42.25	A	lasalvacion.com
217.15.42.25	A	cocina.lasalvacion.com
217.15.42.25	A	smtp.quelhotel.com
217.15.42.65	A	rtvemidmail.rtve.es
217.15.42.69	PTR	www-org.foro50tve.es
217.15.42.69	PTR	www.ipop.es
217.15.42.69	PTR	www-org.rne.es
217.15.42.77	A	rtvemail.idatahouse.com
217.15.42.78	A	ftp.rtve.es
217.15.42.79	A	rtvemail2.idatahouse.com
217.15.42.90	A	cantasingstar.com
217.15.42.90	A	tvees.es
217.15.42.90	A	rtvenoticias.com
217.15.42.103	A	ns2.visores.net
217.15.42.103	A	ns1.visores.net
217.15.42.103	A	mail.airecomprimido.com
217.15.42.104	A	mail.12meses12causas.com
217.15.42.161	PTR	smtp.fundaciontripartita.org
217.15.43.66	A	ns1.telvent.net
217.15.43.67	A	ns2.telvent.net
217.15.44.9	A	marcaespana.gob.es
217.15.44.9	A	marcaespana.es
217.15.44.9	A	www.marcaespana.es
217.15.44.157	A	www.ergo-segurosdeviaje.es
217.15.44.157	A	dns1.dns-erv.es
217.15.44.157	A	dns1.dns-erv.net
217.15.44.158	A	www.erv.es
217.15.44.162	A	www.empark.com
217.15.44.162	A	www.empark.pt
217.15.44.162	A	empark.com
217.15.44.164	A	orautrera.com