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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 |
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| 0 |
| AS43926ES | Anxanet Anxanet Operadors de Xarxes, SL | — | — | 0 |
| AS206488ES | AS1_SELECTASTERISCO CELENETWORKS SL | — | — | 0 |
| AS204845ES | es-telvinor WGR TELECOMUNICACIONES VALLE DE LOS PEDROCHES SA | — | — | 0 |
| AS201234ES | SBT Spotting Brands Technologies S.L | — | — | 0 |
| AS61388ES | CORREOS-CLOUD-MAD01 Correos Telecom SA S.M.E. | — | — | 0 |
| AS199913ES | SoyTIC Gamma UCaaS Comercializadora, S.L.U. | — | — | 0 |
| AS211012ES | velorcios Velorcios, S.L. | — | — | 0 |
| AS204364ES | DIGITAL-RESOURCES-MANAGEMENT Digital Resources Management S.L. | — | — | 0 |
| AS204557ES | CWAGOST-AS Cable Aireworld S.A.U. | — | — | 0 |
| AS60675ES | AVATELTELECOM AVATEL TELECOM, SA | — | — | 0 |
| AS15915ES | IBERCOM MASMOVIL IBERCOM SA | — | — | 0 |
| AS211650ES | AS_CELENET CELENETWORKS SL | — | — | 0 |
| AS210148ES | ASORVIS ORVIS 360 SL | — | — | 0 |
| AS201337ES | AVATELTELECOM AVATEL TELECOM, SA | — | — | 0 |
| AS212420ES | ABAILA Abaila, Koop. S.Coop. | — | — | 0 |
| AS711ES | SB-COMM-AS - Torrejon Air Base | — | — | 0 |
| AS215736ES | ajreus Ajuntament de Reus | — | — | 0 |
| AS205170ES | fourmirror Four Mirror Advisors, S.L. | — | — | 0 |
| AS42229ES | AS-IXPlay-MAD-ES Cesar Maffini Martin | — | — | 0 |
| AS20760ES | EUROCIBER-AS Santander Global Technology and Operations, S.L. | — | — | 0 |
| AS212356ES | VIDEOSAT1 Felipe Alcaraz Molina | — | — | 0 |
| AS210904ES | CGL-AS CHRISTIAN GARCIA LOZANO | — | — | 0 |
| AS35404ES | AS-TELEPITU AVATEL TELECOM, SA | — | — | 0 |
| AS34952ES | EQUINIX-CLOUD-EXCHANGE-BA-ASN EQUINIX (SPAIN) ENTERPRISES SLU | — | — | 0 |
| AS210072ES | InnovaTelekom INNOVA TELEKOM REDES Y SERVICIOS SLU | — | — | 0 |
| AS51773ES | SOFTONIC-AS Softonic International, S.A. | — | — | 0 |
| AS24654ES | ORANGE-MOVILWEB21-AS Orange Espagne SA | — | — | 0 |
| AS206109ES | techco-security Securitas Seguridad Espana S.A. | — | — | 0 |
| AS56986ES | telecablecl Valor Information Technologies, S.L. | — | — | 0 |
| AS199281ES | ASUI-OPENRURAL-IXP-A Asociacion de Consumidores y Usuarios de Informacion (ASUI) | — | — | 0 |
| AS205751ES | PMO_ZAPI Plataforma Multimedia de Operadores SL. | — | — | 0 |
| AS41531ES | AVATELTELECOM-asn AVATEL TELECOM, SA | — | — | 0 |
| AS214859ES | AS_CONTURSA Congresos y Turismo de Sevilla , S.A. | — | — | 0 |
| AS199482ES | SANGANET-AS Free Technologies Excom S.L. | — | — | 0 |
| AS42722ES | GRIFOLS-AS Grifols S.A. | 256 | — | 1 |
| AS208027ES | GESTAMP GESTAMP SERVICIOS, S.A. | 256 | — | 1 |
| AS202324ES | casva CASVA SEGURIDAD, S.L. | 256 | — | 1 |
| AS208109ES | IDIADA IDIADA Automotive Technology, S.A. | 256 | — | 1 |
| AS216371ES | ipglobal IPGLOBAL S.L. | 256 | 524.3K | 2 |
| AS212332ES | THINCO-TELECOM-AS Agustin Lorenzo Sempere trading as Thinco Telecom | 256 | 267 | 6 |
| AS206930ES | Tuyo_Internet Valor Information Technologies, S.L. | 256 | 65.5K | 2 |
| AS213615ES | AS-ODCLOUD ON DIVERSITY CLOUD EUROPE, S.L. | 256 | 16 | 17 |
| AS210605ES | ITENCORE IT ENCORE TECNOLOGIA SL | 256 | — | 1 |
| AS199195ES | AS_GUADALNET ANOTHER CALPE CONSULTING CONCEPT S.L. | 256 | 1 | 2 |
| AS28935ES | ODEC-ES-AS ODEC, CENTRO DE CALCULO Y APLICACIONES INFORMATICAS, S.A. | 256 | — | 1 |
| AS203499ES | Wi-Net-SOLIS-AS Free Technologies Excom S.L. | 256 | — | 1 |