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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.
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 |
| 4.1K |
| — |
| 4 |
| AS202205ES | BIARTEL FIBRA A LA PORTA, S.L. | 4.1K | — | 11 |
| AS58345ES | DinfotecASN Free Technologies Excom S.L. | 4.1K | — | 1 |
| AS200165ES | AsacAS01 Asac Comunicaciones S.L. | 4.1K | 2 | 18 |
| AS25285ES | BOE-AS Boletin Oficial del Estado | 4.1K | — | 1 |
| AS47806ES | ASN-TELECONDADO Cesar Maffini Martin | 4.1K | — | 6 |
| AS25267ES | CORPME-AS Colegio de Registradores de la Propiedad y Mercantiles de Espana | 4.1K | — | 1 |
| AS201976ES | ASMERCADONA Mercadona S.A | 4.1K | — | 12 |
| AS25487ES | DIGITALVALUE-AS Digital Value SL | 4.1K | — | 1 |
| AS209906ES | telegilena Fibrasur Operadores S.L. | 4.1K | — | 10 |
| AS204189ES | VideoLuc VideoLuc S.A | 4.1K | 524.3K | 4 |
| AS198153ES | DCSTD-SEIDOR ALTYONA TOPCO S.A. | 4.1K | — | 6 |
| AS204303ES | trabucotv Fibrasur Operadores S.L. | 4.1K | — | 10 |
| AS62104ES | CSISP Computer Service Internet Service Provider S.L. | 4.1K | 65.5K | 11 |
| AS35454ES | ASITUR-AS Asitur Asistencia, S.A. | 4.1K | — | 9 |
| AS21364ES | LANTIK-AS Lantik S.A. M.P. | 4.1K | — | 1 |
| AS203187ES | WGR WGR TELECOMUNICACIONES VALLE DE LOS PEDROCHES SA | 4.1K | 1M | 12 |
| AS197876ES | ICMNETSYSTEMS-AS ICM Netsystems 2005 SL | 4.1K | 65.5K | 11 |
| AS209543ES | pointtelecom POINT TELECOM TELECOMUNICACIONES E INFRAESTRUCTURAS SL | 4.1K | — | 10 |
| AS20784ES | CECA-AS Cecabank,S.A. | 4.1K | — | 1 |
| AS56710ES | MAXEN MAXEN TECHNOLOGIES S.L. | 4.1K | — | 1 |
| AS42386ES | ASEPRESA EPRESA ENERGIA SA | 4.1K | — | 4 |
| AS203183ES | FOBOSTELECOM ARNOLD CALLE TELECOM, S.L. | 4.1K | — | 6 |
| AS205295ES | accesscable Accesscable S.L. | 4.1K | — | 6 |
| AS42435ES | ASTECNICASREUNIDAS Tecnicas Reunidas S.A. | 4.1K | — | 3 |
| AS56924ES | SANTANDER-TELEPORT SANTANDER TELEPORT S.L. | 4.4K | — | 2 |
| AS206195ES | beconet-as BECONET FIBRA S.L. | 4.4K | — | 11 |
| AS25508ES | ARQUIRED-AS ARQUIA BANK SA. | 4.4K | — | 2 |
| AS15711ES | IBERDROLA Iberdrola S.A. | 4.4K | — | 3 |
| AS201500ES | AS_CASARICHE Fibrasur Operadores S.L. | 4.4K | — | 14 |
| AS43697ES | Govern-de-les-Illes-Balears Govern de les Illes Balears | 4.4K | — | 4 |
| AS198871ES | DIPCAS-AS Diputacion Provincial de Castellon | 4.4K | — | 9 |
| AS198454ES | SISTEC-AS SISTEC TELECOM S.L. | 4.4K | 65.5K | 7 |
| AS39144ES | ARAGON-AS Redes Digitales de Telecomunicacion en Internet SL | 4.6K | — | 2 |
| AS206866ES | Gartel GARTEL, TELEFONIA Y COMUNICACION, S.L. | 4.6K | 65.5K | 10 |
| AS206481ES | anmaguzcer-as Anmaguzcer Telecomunicaciones S.L.U | 4.6K | — | 7 |
| AS212097ES | VIM VIM TELECOMUNICACIONES SL | 4.6K | 589.8K | 20 |
| AS198193ES | ASN-TCABLE Television por Cable Santa Pola SL | 4.6K | — | 3 |
| AS43655ES | SENERMOB SENER SERVICIOS CORPORATIVOS, S.L. | 4.6K | 65.5K | 9 |
| AS34696ES | AS-MISMELINK MISMELINK NETWORKS, SL | 4.6K | — | 9 |
| AS206124ES | MAZARRON5G TELE SATELITE DE MAZARRON SL | 4.6K | — | 17 |
| AS202207ES | EAM ASPA CLOUD SL | 4.6K | 65.5K | 9 |
| AS202005ES | ASBonarea Corporacion Alimentaria Guissona, S.A | 4.6K | — | 12 |
| AS214286ES | IBERICADEREDES-AS OPERADORA IBERICA DE REDES Y SERVICIOS DE TELECOMUNICACIONES S.L | 4.9K | 16.4K | 19 |
| AS42130ES | fibravalencia RUIZ & COSTA INVERSIONES SL | 4.9K | 65.5K | 21 |
| AS202913ES | cloudwifi CLOUDWIFI, SL | 4.9K | 524.3K | 11 |
| AS201748ES | INFOTELECOM INFOTELECOM NETWORKS SL | 4.9K | — | 17 |