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How Spain ranks worldwide on dormant space, the transfer market, routing security and address density.
APNIC-measured end-user deployment.
Paper holder: holds 372.5M /48 blocks but only 9.8% of users are IPv6-capable.
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 |
| AS12338ES | EUSKALTEL Euskaltel S.A. | 658.2K | 118 |
| AS29119ES | SERVIHOSTING-AS AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL | 631.6K | 412 |
| AS12334ES | R Cable y Telecable Telecomunicaciones, S.A.U. | 443.4K | 37 |
| AS200845ES | AVATEL-AS AVATEL TELECOM, SA | 355.1K | 463 |
| AlvaroNavas Alvaro Navas |
| 256 |
| 16 |
| 2 |
| AS204134ES | INCServers Jose Socrates Reviejo Bermejo | 256 | 1 | 2 |
| AS215894ES | BLANCATEL BLANCATEL, S.L. | 256 | — | 1 |
| AS216016ES | ayto-murcia Ayuntamiento de Murcia | 256 | — | 1 |
| AS204695ES | asservan MARIA JOSEFA SILVERO PARRA | 256 | — | 1 |
| AS212052ES | ASNETEXPERIENCE AMADO NEBOT FORES | 256 | — | 1 |
| AS201619ES | wifitoons Wifitoons S.L. | 256 | — | 1 |
| AS207628ES | ESTYA-AS Eduardo Senin Herrero | 256 | 524.3K | 2 |
| AS42212ES | BUILD2EDIFICA-AS NALANDA GLOBAL S.A. | 256 | — | 1 |
| AS210944ES | LAVOZ-AS LA VOZ DE GALICIA, S.A | 256 | — | 1 |
| AS31249ES | IEMPRESA-ES-AS Instituto de Empresa, S.L. | 256 | — | 1 |
| AS209195ES | ASCASER CAJA DE SEGUROS REUNIDOS COMPANIA DE SEGUROS Y REASEGUROS SA | 256 | — | 1 |
| AS212963ES | SERGIOB Sergio Bejarano Romero | 256 | — | 1 |
| AS203115ES | sentrium VyOS Networks Iberia S.L.U. | 256 | — | 1 |
| AS60076ES | DONDE Dynamic Over Network De Espana SL | 256 | — | 1 |
| AS210350ES | CIVICOS Civicos Networking S.L.U. | 256 | — | 1 |
| AS205580ES | EFCA-ASN European Fisheries Control Agency | 256 | — | 1 |
| AS208823ES | SILME Servei de Informatica Local de Menorca | 256 | — | 1 |
| AS39536ES | botic BO ICT Management, S.L. | 256 | — | 1 |
| AS213615ES | AS-ODCLOUD ON DIVERSITY CLOUD EUROPE, S.L. | 256 | 16 | 17 |
| AS212107ES | SINOPHOS-AS SINOPHOS GROUP LLORET SL. | 256 | — | 1 |
| AS210055ES | ELECTROPUERTOSUR FIBERPLUS COMUNICATIONS, SL | 256 | — | 1 |
| AS199772ES | Fontventa FONTVENTA SL | 256 | — | 1 |
| AS43520ES | MEYTEL-AS Meytel Publicidad S.L. | 256 | — | 1 |
| AS202097ES | IBERMUTUA IBERMUTUA | 256 | — | 1 |
| AS49212ES | REALE-SEGUROS-AS REALE SEGUROS GENERALES, S.A | 256 | — | 1 |
| AS20906ES | ALLIANZ-AS Allianz Compania De Seguros y Reaseguros SA | 256 | — | 1 |
| AS201359ES | YMEDIANET IPROSPECT ADVERTISING S.A. | 256 | — | 1 |
| AS199889ES | cvip Cvip Soluciones Tecnologicas Alternativas Sl. | 256 | 524.3K | 2 |
| AS213268ES | QUARTIK QUARTIK SL | 256 | — | 1 |
| AS204133ES | Globex GLOBEX TIC SERVICES, S.L. | 256 | — | 1 |
| AS210790ES | coloriuris COLORIURIS S.L. | 256 | — | 1 |
| AS204705ES | ASCetelem Cetelem Servicios Informaticos AIE | 256 | — | 1 |
| AS56551ES | CVQ1-RIPE Ayuntamiento Rivas Vaciamadrid | 256 | — | 1 |
| AS205457ES | Wisp_Tachira Valor Information Technologies, S.L. | 256 | 65.5K | 2 |
| AS211300ES | INTELMO-AS Angel Moreno trading as INTELMO C.B. | 256 | — | 1 |
| AS202754ES | inalnet Free Technologies Excom S.L. | 256 | — | 1 |
| AS199949ES | SEGON-AS Grupo On Seguridad SL | 256 | — | 1 |
| AS204628ES | AS-Network-Service Valor Information Technologies, S.L. | 256 | 65.5K | 2 |
| AS204248ES | Edgar_Torres_Llavero Edgar Torres Llavero | 256 | — | 1 |
| AS197772ES | NODO50 NODO50, Altavoz por la libertad de expresion y comunicacion | 256 | — | 1 |
| AS204629ES | Qemugen_Cloud Valor Information Technologies, S.L. | 256 | 65.5K | 2 |
| AS49638ES | CATNIX Consorci de Serveis Universitaris de Catalunya | 256 | 1 | 2 |
| AS29117ES | ChatHispano Asociacion IRC Hispano | 256 | 1 | 2 |
| AS28935ES | ODEC-ES-AS ODEC, CENTRO DE CALCULO Y APLICACIONES INFORMATICAS, S.A. | 256 | — | 1 |
| AS24772ES | ASIP-AIE-AS FACTORIA PRISA NOTICIAS S.L. Sociedad Unipersonal | 256 | — | 1 |
| AS210469ES | CARLOSL Carlos Latorre Sanchez | 256 | 16 | 2 |