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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 |
| 4.1K |
| 1M |
| 12 |
| AS198153ES | DCSTD-SEIDOR ALTYONA TOPCO S.A. | 4.1K | — | 6 |
| AS209031ES | AIRELINE RACOMUR DIFUSION,S.L. | 4.1K | — | 9 |
| AS205823ES | AS_Iwitelecom Iwi Telecom S.L | 4.1K | — | 11 |
| AS42386ES | ASEPRESA EPRESA ENERGIA SA | 4.1K | — | 4 |
| AS20784ES | CECA-AS Cecabank,S.A. | 4.1K | — | 1 |
| AS209906ES | telegilena Fibrasur Operadores S.L. | 4.1K | — | 10 |
| AS205295ES | accesscable Accesscable S.L. | 4.1K | — | 6 |
| AS30937ES | Walhalla__AS30937 Walhalla Data Center Services SL | 4.1K | 4.1K | 10 |
| AS42435ES | ASTECNICASREUNIDAS Tecnicas Reunidas S.A. | 4.1K | — | 3 |
| AS48202ES | ODEC ODEC, CENTRO DE CALCULO Y APLICACIONES INFORMATICAS, S.A. | 4.1K | — | 9 |
| AS202205ES | BIARTEL FIBRA A LA PORTA, S.L. | 4.1K | — | 11 |
| AS202814ES | EVC ELECTRICA FUSION DE VILLANUEVA DE CORDOBA S.L. | 4.1K | — | 10 |
| AS25267ES | CORPME-AS Colegio de Registradores de la Propiedad y Mercantiles de Espana | 4.1K | — | 1 |
| AS202125ES | ACACIONET ACACIO SERVICIOS TELEMATICOS S.L. | 3.8K | — | 11 |
| AS25589ES | ipv6informatica IPv6 Informatica S.L. | 3.8K | 65.5K | 5 |
| AS56909ES | TDPRarlutv TD PR ARLU S.A | 3.8K | — | 11 |
| AS61408ES | AgoTelecomASN AGO TELECOM S.L | 3.8K | 65.5K | 7 |
| AS205827ES | conectat-as ConectaT Servicios de Banda Ancha SL | 3.8K | — | 5 |
| AS200165ES | AsacAS01 Asac Comunicaciones S.L. | 3.8K | — | 15 |
| AS43707ES | CNENET Comision Nacional de los Mercados y la Competencia | 3.8K | — | 4 |
| AS206702ES | cliko 7P SERVICIOS INTEGRADOS SLU | 3.8K | 16.4K | 16 |
| AS197267ES | Retevision-I-AS Retevision I, S.A. | 3.8K | — | 6 |
| AS6813ES | FLEXNET TELEFONICA DE ESPANA S.A.U. | 3.8K | — | 11 |
| AS44998ES | GOBIERNOCANARIAS-AS GOBIERNO DE CANARIAS | 3.8K | 65.5K | 9 |
| AS49940ES | FIRABCN-AS FERIA INTERNACIONAL DE BARCELONA | 3.6K | 524.3K | 14 |
| AS202829ES | WSP-AS1 Luis Sanchez Martin | 3.6K | — | 10 |
| AS210123ES | Nubbitel NUBBITEL TELECOM,S.L. | 3.6K | 65.5K | 4 |
| AS62033ES | HOSTERS CLOUDEUS SL | 3.6K | — | 11 |
| AS206833ES | snell Snell Cuenca Minera S.L | 3.6K | 262.1K | 18 |
| AS43578ES | bitNAP TEMPLUS BARCELONA S.L. | 3.6K | 5 | 19 |
| AS206496ES | tdacomunicaciones TDA COMUNICACIONES CONNECTIONS SLU | 3.6K | — | 8 |
| AS211554ES | AMR-ELCORONIL ANA MARIA RODRIGUEZ SANTOS | 3.6K | — | 7 |
| AS42147ES | correos Sociedad Estatal Correos y Telegrafos S.A. | 3.6K | — | 14 |
| AS198192ES | ASN-TELEPORTE TELEPORTE S.L. | 3.6K | — | 8 |
| AS202421ES | wimaz Wimaz S. L. | 3.6K | 524.3K | 10 |
| AS206076ES | ISP Ingenieria y Suministros Profesionales, S.L. | 3.3K | — | 13 |
| AS64411ES | CORREOS-TELECOM Correos Telecom SA S.M.E. | 3.3K | 524.3K | 4 |
| AS207614ES | AS-FUENLAN Sistemas informaticos y Servicios de internet FuenLan SL | 3.3K | 540.7K | 15 |
| AS209688ES | TELERED-AS TELE RED S.A. | 3.3K | — | 4 |
| AS60711ES | Paravisa-AS Fernando Perez Morales | 3.3K | — | 8 |
| AS211874ES | AXARFUSION-AS Axarfusion S.L. | 3.3K | — | 8 |
| AS29661ES | ANCERT-AS AGENCIA NOTARIAL DE CERTIFICACION S.L | 3.3K | — | 8 |
| AS9192ES | LleidaNet LleidaNetworks Serveis Telematics S.A. | 3.3K | — | 13 |
| AS43747ES | ES-TELEVALENTIN-AS TELEVALENTIN, S.L | 3.3K | — | 7 |
| AS204004ES | airebullas Fibranet Tecnologia y Sistemas SL | 3.3K | — | 10 |
| AS198968ES | CYBERNETICOS Cyberneticos Hosting SL | 3.3K | — | 9 |