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How Spain ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to Spain over time.
The largest autonomous systems registered to Spain by IPv4 footprint.
Spain against its land-border neighbours on IPv4, IPv6, AS numbers and per-capita density.
Share of announced address space covered by valid Route Origin Authorizations.
1,164 autonomous systems registered to Spain. Click an AS for detail.
| AS15704ES | AS15704 XTRA TELECOM S.A. | 960.8K | 368 |
| AS29119ES | SERVIHOSTING-AS AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL | 691.5K | 408 |
| AS12338ES | EUSKALTEL Euskaltel S.A. | 658.4K | 118 |
| AS12334ES | R Cable y Telecable Telecomunicaciones, S.A.U. | 443.4K | 37 |
| AS200845ES | AVATEL-AS AVATEL TELECOM, SA | 363.3K | 474 |
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| AS204269ES | AS-MEOWNET Mateo De la Hoz | — | — | 0 |
| AS212008ES | ES-ZONAUTAS-AS Ruben Martinez | — | 6 | 6 |
| AS211695ES | CutieLand Echedelle Lopez Romero | — | 1 | 1 |
| AS207363ES | Manuel_Antonio_Seijo_Bustamante Manuel Antonio Seijo Bustamante | — | — | 0 |
| AS199874ES | BEPROIT Pedro Antonio Collado Fernandez | — | 1 | 1 |
| AS200270ES | redekampoz Ezequiel Salomon Campos Lopez | — | 2 | 2 |
| AS42749ES | DIVI-AS Dimension Virtual SL | — | — | 0 |
| AS214516ES | FUSP Fundacion Universitaria San Pablo-CEU | — | 7 | 7 |
| AS61388ES | CORREOS-CLOUD-MAD01 Correos Telecom SA S.M.E. | — | — | 0 |
| AS211962ES | Ricardo Ricardo Holguin Postigo | — | — | 0 |
| AS59926ES | borecom Borecom Networks, S.L. | — | — | 0 |
| AS214779ES | BEFREE Be Free Networks SL | — | — | 0 |
| AS215869ES | NAVALCA DANIEL NAVAL ALCALA | — | 1 | 1 |
| AS15734ES | Equinix-Connect-Iberia EQUINIX (SPAIN) ENTERPRISES SLU | — | — | 0 |
| AS207527ES | BEARVM Madern Trading Express, S.L.U. | — | — | 0 |
| AS202603ES | wimovil EGONE CONSULTING SL | — | — | 0 |
| AS209909ES | ASN-ZARANDONA DITT REDMOVIL SL | — | — | 0 |
| AS208497ES | DIPUSEVILLA SOCIEDAD PROVINCIAL DE INFORMATICA DE SEVILLA S.A. | — | — | 0 |
| AS49928ES | PRISA-MEDIA-AS Prisa Media SAU | — | — | 0 |
| AS200992ES | DWIM-AS Carlos Martin Nieto | — | 1 | 1 |
| AS202222ES | Joan-Cirer Joan Cirer Capo | — | 21 | 6 |
| AS204042ES | NETWORKSLAND Networksland SL | — | — | 0 |
| AS213153ES | Echelon Invermae Solutions SL | — | — | 0 |
| AS208695ES | AS-COMFIBRA_INTERNET Valor Information Technologies, S.L. | — | 65.5K | 1 |
| AS39639ES | as-ffernandez Valor Information Technologies, S.L. | — | 65.5K | 1 |
| AS215203ES | SNEP-AS Aleksei Efimov | — | 3 | 3 |
| AS216072ES | MJMM-AS Manuel Jesus Martin Mena | — | 256 | 1 |
| AS197237ES | BELGGNET Beltran Gallego Gutierrez | — | 1 | 1 |
| AS205518ES | aschiclanawifi Robert Michael Span | — | — | 0 |
| AS205408ES | lemonvil BB Phone Levante, S.L. | — | — | 0 |
| AS200595ES | cloudnet Gestioniza Infraestructuras S.L. | — | — | 0 |
| AS215199ES | docloud Internet CLOUD Services SL | — | 524.3K | 1 |
| AS62409ES | OCEANS-AS XFERA Moviles S.A. | — | — | 0 |
| AS211959ES | NBYTE Invermae Solutions SL | — | — | 0 |
| AS39831ES | valorit Valor Information Technologies, S.L. | — | 131.1K | 2 |
| AS50977ES | AVATELTELECOM-AS AVATEL TELECOM, SA | — | — | 0 |
| AS25259ES | mdcloud-es Servicios Audiovisuales Overon S.L. | — | — | 0 |
| AS197606ES | ISMHDEZ-NET Ismael Munoz Hernandez | — | — | 0 |
| AS208036ES | Tecnocratica-extra Tecnocratica Centro de Datos, S.L. | — | — | 0 |
| AS214522ES | ARNA13 Arnau Barbero | — | 1 | 1 |
| AS208455ES | FIBRA-TDA TDA COMUNICACIONES CONNECTIONS SLU | — | — | 0 |
| AS60685ES | GWAY_ISP_SL GWAY ISP S.L | — | — | 0 |
| AS201655ES | doblenet DOBLENET Soluciones Tecnologicas S.L. | — | — | 0 |
| AS206828ES | connecta CONNECTA-COMUNICACIONS INTEGRALS DE CATALUNYA S.L | — | 524.3K | 1 |
| AS203874ES | DevRex David Pujals Sans | — | 1 | 1 |
| AS200407ES | ASCartaya Telecable Cartaya S.L. | — | — | 0 |