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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 | 688.4K | 400 |
| AS12338ES | EUSKALTEL Euskaltel S.A. | 658.4K | 117 |
| AS12334ES | R Cable y Telecable Telecomunicaciones, S.A.U. | 443.4K | 37 |
| AS200845ES | AVATEL-AS AVATEL TELECOM, SA | 363.3K | 472 |
| 1K |
| — |
| 1 |
| AS205499ES | asmairena Telecable Cartaya S.L. | 1K | — | 3 |
| AS43115ES | PIC Consorci Institut de Fisica Altes Energies | 1K | 1 | 2 |
| AS207405ES | ASN-TETRATEL Tetratel Comunicaciones SLU | 1K | — | 4 |
| AS51415ES | ES-techco-security-1 Securitas Seguridad Espana S.A. | 1K | — | 2 |
| AS212763ES | as-nanobytes Nanobytes Informatica y Telecomunicaciones S.L. | 1K | — | 4 |
| AS208738ES | carcon Carcon Networks S.L. | 1K | — | 4 |
| AS211811ES | TMDIGITAL TM DIGITAL GRANADA S.L. | 1K | — | 4 |
| AS199589ES | DANTIA Dantia Tecnologia S.L. | 1K | — | 4 |
| AS56989ES | as-ariadnext Valor Information Technologies, S.L. | 1K | — | 1 |
| AS200509ES | SVINT-ASN Comlocal, S.L. | 1K | — | 4 |
| AS60080ES | es-s2grupo-ASN S2 Grupo Soluciones De Seguridad Sociedad Limitada | 1K | — | 1 |
| AS202305ES | WIRERED JOAN GRAU FERRI trading as Wirered | 1K | — | 1 |
| AS31676ES | PENTALOG-AS Software Product Creation SL | 1K | — | 2 |
| AS209662ES | rtve Corporacion de Radio y Television Espanola S.A. | 1K | — | 3 |
| AS57236ES | ES-ITEBATV-AS Juan Antonio Guerrero Gonzalez | 1K | — | 1 |
| AS201152ES | AREAPROJECT-AS1 Area Project Solutions SL | 1K | — | 1 |
| AS202367ES | netpartnerwifinn NET PARTNER WIFINN, S.L. | 1K | — | 1 |
| AS198853ES | i2basque Fundacion ikerbasque | 1K | 65.5K | 2 |
| AS211141ES | pinkbear PINKBEAR SLU | 1K | — | 4 |
| AS202686ES | Sestaferia Sestaferia Digital Sociedad Cooperativa Asturiana | 1K | — | 1 |
| AS206101ES | EPIC_TELECOM EPIC SOLUTIONS, S.L. | 1K | — | 4 |
| AS60493ES | FICOSA-AS Ficosa International, S.A. | 1K | — | 1 |
| AS200387ES | ARLU Tele puerto real SL | 1K | — | 4 |
| AS201346ES | todoencloud TODO EN CLOUD SL | 1K | — | 4 |
| AS210995ES | AS_TIREA TECNOLOGIAS DE LA INFORMACION Y REDES PARA LAS ENTIDADES ASEGURADORAS SA | 1K | — | 3 |
| AS44127ES | GARRIGUES-AS J&A GARRIGUES S.L.P. | 1K | — | 3 |
| AS200336ES | PCSTAR Dimitar Dandulov | 1K | — | 1 |
| AS61181ES | METRO-DE-MADRID-AS METRO DE MADRID, S.A. | 1K | — | 1 |
| AS215334ES | CORREOMASTER-AS CORREOMASTER SL | 1K | — | 1 |
| AS204234ES | TVA-ASN XFERA Moviles S.A. | 1K | — | 1 |
| AS204758ES | Cabisur CABINAS TELEFONICAS DEL SUR, S.L. | 1K | — | 4 |
| AS204748ES | AS_INDITEX INDUSTRIA DE DISENO TEXTIL SOCIEDAD ANONIMA | 1K | — | 3 |
| AS207122ES | PSOE-CEF_AS Partido Socialista Obrero Espanol (PSOE) | 1K | — | 4 |
| AS204773ES | DMNTR Felipe Canizares Navarro trading as DMNTR NETWORK SOLUTIONS | 1K | 458.8K | 7 |
| AS205279ES | montel Montel Telecom, S.L. | 1K | — | 1 |
| AS209703ES | XPERIENTIA Experientia Systems, SL | 1K | — | 4 |
| AS210048ES | semat Oficina Semat Data, SL | 1K | — | 1 |
| AS42329ES | es-aitel Aietes Telecom SL | 1K | — | 4 |
| AS199685ES | FIRST-SERVER-EU-WEST FIRST SERVER, SOCIEDAD LIMITADA | 1K | 2 | 4 |
| AS204811ES | Zinnia ZINNIA TELECOMUNICACIONES SL. | 1K | — | 1 |
| AS207717ES | ASICATEL Icatel Network S.L. | 1K | — | 3 |
| AS212755ES | EXACLOUD ExaCloud Factory, S.L. | 1K | 524.3K | 5 |
| AS212186ES | WIKILAN-AS Goodser Sociedad Limitada | 1K | — | 4 |
| AS200956ES | DTES DELOITTE AUDITORES SL | 1K | — | 4 |
| AS199919ES | FOXTELECOM-ASN FOX TELECOM INTERNET S.L. | 1K | — | 4 |
| AS211359ES | AS_BINTER_SISTEMAS BINTER SISTEMAS SL | 1K | — | 3 |