Robtex

Up: 149.13.20.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 149.13.21.0/25
Down right: 149.13.21.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
149.13.21.2	PTR	filtro.virtualns.net
149.13.21.2	PTR	ns10.virtualns.net
149.13.21.2	A	filtro.seguridadfremoes.com
149.13.21.4	A+PTR	dns4b.virtualns.net
149.13.21.15	A	mail.mobiliarioclinico.es
149.13.21.15	A	ns.mobiliarioclinico.es
149.13.21.15	A	mail.torrentmiranda.es
149.13.21.19	PTR	ns20.virtualns.net
149.13.21.19	A	ns.bargalactica.com
149.13.21.19	A	mail.kawabe.es
149.13.21.23	A	aranjaser1.virtualns.net
149.13.21.35	PTR	ns7.virtualns.net
149.13.21.57	A+PTR	c21priv57.virtualns.net
149.13.21.57	A	lacasadelmasajista.es
149.13.21.57	A	mail.lacasadelmasajista.com
149.13.21.70	A	c21priv70.virtualns.net
149.13.21.71	A	balearicexperience.com
149.13.21.101	PTR	ns1.webcome.es
149.13.21.105	PTR	ns2.azornet.com
149.13.21.105	A	www.shinka.es
149.13.21.105	A	azornet.com
149.13.21.109	A+PTR	2cpanel.virtualns.net
149.13.21.111	PTR	ns2.chatamistad.net
149.13.21.111	A	externa2.intralabs.es
149.13.21.121	A	mail.bearingstocks.com
149.13.21.121	A	ns.bearingstocks.com
149.13.21.131	A	ns1.redfactory.es
149.13.21.135	PTR	ns3b.queryhost.com
149.13.21.135	A	mail.apartamentosartilleros.es
149.13.21.135	A	grupobecoral.com
149.13.21.162	PTR	jupiter.ddtel.info
149.13.21.165	A	ns.drovch.es
149.13.21.165	A	ns.sauter.es
149.13.21.165	A	ns.corredoriadelvalles.es
149.13.21.171	A	ns46.virtualns.net
149.13.21.182	PTR	ns2.avitserver.com
149.13.21.182	A	ns.naibaf.com
149.13.21.182	A	ns.gresdisama.es
149.13.21.235	A	mail.mariabimbolles.com
149.13.21.236	A	controlatupiscina.com
149.13.21.239	A	mallorcataxitour.com
149.13.21.239	A	mallorca-taxi.com
149.13.21.239	A	palmataxi.com