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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 |
| 1K |
| — |
| 1 |
| AS200509ES | SVINT-ASN Comlocal, S.L. | 1K | — | 4 |
| AS205375ES | INDALMOVIL Jose Antonio Ruiz Zamore | 1K | — | 1 |
| AS207058ES | dimatica Dimatica Servicios informaticos Avanzados S.L | 1K | — | 4 |
| AS206043ES | Irontec IRONTEC INTERNET Y SISTEMAS SOBRE GNU LINUX S.L | 1K | — | 1 |
| AS8637ES | SPAINWISP SpainWISP, S.L. | 1K | 4 | 8 |
| AS209521ES | cadenaeneregia Cadena Energia Radio S.L. | 1K | — | 1 |
| AS211811ES | TMDIGITAL TM DIGITAL GRANADA S.L. | 1K | — | 4 |
| AS209662ES | rtve Corporacion de Radio y Television Espanola S.A. | 1K | — | 3 |
| AS208248ES | SCS-AS Innovative Business Software Iberia S.L. | 1K | — | 4 |
| AS8318ES | CMX-AS CEMEX ESPANA S.A. | 1K | — | 4 |
| AS206101ES | EPIC_TELECOM EPIC SOLUTIONS, S.L. | 1K | — | 4 |
| AS211359ES | AS_BINTER_SISTEMAS BINTER SISTEMAS SL | 1K | — | 3 |
| AS35486ES | CORDOBADATACENTER AXENTIO SL | 1K | — | 4 |
| AS215018ES | CORTEX CORTEX SP COMPUTER, S.L. | 1K | — | 3 |
| AS62043ES | Repsol REPSOL S.A. | 1K | — | 4 |
| AS202305ES | WIRERED JOAN GRAU FERRI trading as Wirered | 1K | — | 1 |
| AS204773ES | DMNTR Felipe Canizares Navarro trading as DMNTR NETWORK SOLUTIONS | 1K | 458.8K | 7 |
| AS212721ES | AXARWIFI Francisco Javier Gordillo Perez | 1K | — | 4 |
| AS42329ES | es-aitel Aietes Telecom SL | 1K | — | 4 |
| AS35153ES | ES-ONDAWIFI-AS Free Technologies Excom S.L. | 1K | — | 4 |
| AS202565ES | daratel 7P SERVICIOS INTEGRADOS SLU | 1K | — | 1 |
| AS56989ES | as-ariadnext Valor Information Technologies, S.L. | 1K | — | 1 |
| AS41705ES | grupobaladig Grupo Baladig SL | 1K | — | 4 |
| AS207987ES | emsystems EM SISTEMAS INFORMATICOS Y TELECOMUNICACIONES DE MALLORCA SL | 1K | — | 4 |
| AS207122ES | PSOE-CEF_AS Partido Socialista Obrero Espanol (PSOE) | 1K | — | 4 |
| AS204758ES | Cabisur CABINAS TELEFONICAS DEL SUR, S.L. | 1K | — | 4 |
| AS200421ES | FIRMAMED Hermandad Farmaceutica del Mediterraneo S.C.L. | 1K | — | 2 |
| AS201346ES | todoencloud TODO EN CLOUD SL | 1K | — | 4 |
| AS213193ES | MANCA Manca Telecom SL | 1K | — | 4 |
| AS212186ES | WIKILAN-AS Goodser Sociedad Limitada | 1K | — | 4 |
| AS200811ES | TLM Free Technologies Excom S.L. | 1K | — | 1 |
| AS207717ES | ASICATEL Icatel Network S.L. | 1K | — | 3 |
| AS207405ES | ASN-TETRATEL Tetratel Comunicaciones SLU | 1K | — | 4 |
| AS200481ES | innubo SERVEIS INNUBO SL | 1K | — | 1 |
| AS202686ES | Sestaferia Sestaferia Digital Sociedad Cooperativa Asturiana | 1K | — | 1 |
| AS209703ES | XPERIENTIA Experientia Systems, SL | 1K | — | 4 |
| AS208738ES | carcon Carcon Networks S.L. | 1K | — | 4 |
| AS200956ES | DTES DELOITTE AUDITORES SL | 1K | — | 4 |
| AS59908ES | ISLALINK BalaLink S.A. | 1K | 65.5K | 5 |
| AS210086ES | NEXIA CONNECTA 1876 SLU | 1K | — | 4 |
| AS201152ES | AREAPROJECT-AS1 Area Project Solutions SL | 1K | — | 1 |
| AS25247ES | IBERCAJA-AS IBERCAJA BANCO SA | 1K | — | 1 |
| AS215334ES | CORREOMASTER-AS CORREOMASTER SL | 1K | — | 1 |
| AS199589ES | DANTIA Dantia Tecnologia S.L. | 1K | — | 4 |
| AS210995ES | AS_TIREA TECNOLOGIAS DE LA INFORMACION Y REDES PARA LAS ENTIDADES ASEGURADORAS SA | 1K | — | 3 |
| AS205279ES | montel Montel Telecom, S.L. | 1K | — | 1 |