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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 |
| montel Montel Telecom, S.L. |
| 1K |
| — |
| 1 |
| AS210086ES | NEXIA CONNECTA 1876 SLU | 1K | — | 4 |
| AS203503ES | ticae TICAE TELECOM S.L. | 1K | 524.3K | 5 |
| AS204811ES | Zinnia ZINNIA TELECOMUNICACIONES SL. | 1K | — | 1 |
| AS51415ES | ES-techco-security-1 Securitas Seguridad Espana S.A. | 1K | — | 2 |
| AS205596ES | mariadolores Maria Dolores Sanabria Briones | 1K | — | 2 |
| AS61181ES | METRO-DE-MADRID-AS METRO DE MADRID, S.A. | 1K | — | 1 |
| AS200509ES | SVINT-ASN Comlocal, S.L. | 1K | — | 4 |
| AS209662ES | rtve Corporacion de Radio y Television Espanola S.A. | 1K | — | 3 |
| AS207987ES | emsystems EM SISTEMAS INFORMATICOS Y TELECOMUNICACIONES DE MALLORCA SL | 1K | — | 4 |
| AS206043ES | Irontec IRONTEC INTERNET Y SISTEMAS SOBRE GNU LINUX S.L | 1K | — | 1 |
| AS209776ES | ADVIENTIA ADVIENTIA TELECOMUNICACIONES SL | 1K | — | 1 |
| AS201346ES | todoencloud TODO EN CLOUD SL | 1K | — | 4 |
| AS199589ES | DANTIA Dantia Tecnologia S.L. | 1K | — | 4 |
| AS209521ES | cadenaeneregia Cadena Energia Radio S.L. | 1K | — | 1 |
| AS12924ES | VIAES-AS Gamma UCaaS Comercializadora, S.L.U. | 1K | 524.3K | 5 |
| AS200387ES | ARLU Tele puerto real SL | 1K | — | 4 |
| AS205174ES | XNGN XARXA DE NOVA GENERACIO DE NAVAS SL | 1.3K | — | 2 |
| AS57117ES | rsi Rural Servicios Informaticos SL | 1.3K | — | 5 |
| AS39398ES | ARSENET_AS39398 ARSENET SERVICIOS EN INTERNET S.L. | 1.3K | — | 5 |
| AS61090ES | Green_Way Green Way Telecomunicaciones S.L. | 1.3K | — | 5 |
| AS211348ES | FERCATEL FERCA TECNOLOGIES SL | 1.3K | — | 5 |
| AS31418ES | Telefonica_Audiovisual_Digital Telefonica Audiovisual Digital S.L.U. | 1.3K | — | 5 |
| AS60667ES | COMUNICA COMUNISTONE, S.L. | 1.3K | 524.3K | 5 |
| AS206807ES | DEL-INTERNET-AS DEL-INTERNET TELECOM S.L.U | 1.3K | 524.3K | 6 |
| AS203099ES | LOADFRONT LoadFront, S.L. | 1.3K | 524.3K | 3 |
| AS48624ES | TOTCABLE-AS Free Technologies Excom S.L. | 1.3K | — | 2 |
| AS215573ES | FIBRAL Fibra Almendralejo S.L. | 1.3K | — | 4 |
| AS61401ES | neutralia Neutralia Operador Global S.L.U. | 1.3K | 524.3K | 6 |
| AS215424ES | ESPANIX-AS ASOCIACION ESPANIX | 1.3K | 65.5K | 3 |
| AS60134ES | AS-Startnix Cesar Maffini Martin | 1.3K | — | 5 |
| AS206818ES | zilean ZILEAN SOLUTIONS, SOCIEDAD LIMITADA | 1.3K | — | 2 |
| AS210395ES | INTERNET-MTOS INTERNET MANTENIMIENTOS SL | 1.3K | — | 4 |
| AS6750ES | SDR Soluciones Dinamicas de la Red, S.L. | 1.3K | — | 2 |
| AS207286ES | RUEDA-SISTEMAS-AS RUEDA SISTEMAS, S.L. | 1.3K | — | 4 |
| AS214123ES | VIRTUALIZAME Virtualizame SL | 1.3K | 524.3K | 7 |
| AS208939ES | servitecnic TELEDISTRIBUCIONES SERVITECNIC SL | 1.3K | — | 2 |
| AS50715ES | SERVIABERTIS-AS Abertis Infraestructuras, S.A. | 1.3K | — | 5 |
| AS212536ES | ASNXS1 Nexis Tecnologias de la Informacion, S.L | 1.3K | — | 4 |
| AS208070ES | tilytel TILYTEL Business S.L. | 1.3K | — | 2 |
| AS211580ES | ALTURGELLFIBRA-AS Alt Urgell Fibra, S.L | 1.3K | — | 5 |
| AS202491ES | WINET WINET TELECOM SL | 1.3K | — | 2 |
| AS209589ES | VOITICSL VOITIC, SL | 1.3K | 65.5K | 3 |
| AS210593ES | APROOP-TELECOM APROOP TELECOM S.L.U | 1.3K | — | 2 |
| AS57337ES | VRT-AS VR Telecom SL | 1.3K | — | 5 |
| AS212866ES | ROSA Redes Opticas Salmantinas SL | 1.3K | — | 5 |
| AS197795ES | ColdHosting ColdHosting SL | 1.3K | — | 5 |