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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 |
| Adder_Computer_SL Adder Computer, SL |
| 256 |
| — |
| 1 |
| AS20906ES | ALLIANZ-AS Allianz Compania De Seguros y Reaseguros SA | 256 | — | 1 |
| AS216034ES | netkia_as NETKIA SOLUCIONES S.L. | 256 | — | 1 |
| AS208027ES | GESTAMP GESTAMP SERVICIOS, S.A. | 256 | — | 1 |
| AS202018ES | Servinet Servinet Sistemas y Comunicacion S.L. | 256 | — | 1 |
| AS213600ES | voicecloud VOICE CLOUD SL | 256 | 1 | 2 |
| AS199889ES | cvip Cvip Soluciones Tecnologicas Alternativas Sl. | 256 | 524.3K | 2 |
| AS212932ES | wimaxrng Wimax Redes de Nueva Generacion S.L.U | 256 | — | 1 |
| AS28935ES | ODEC-ES-AS ODEC, CENTRO DE CALCULO Y APLICACIONES INFORMATICAS, S.A. | 256 | — | 1 |
| AS201569ES | northpoint North Point Solution SL | 256 | 65.5K | 2 |
| AS199760ES | POYATOS-AS Pau Poyatos Fuentes | 256 | — | 1 |
| AS9094ES | LYNTIA_MSP_INTERNAL LYNTIA NETWORKS S.A. | 256 | — | 1 |
| AS205113ES | obs OLYMPIC BROADCASTING SERVICES SL | 256 | — | 1 |
| AS203012ES | gestioniza FIBRITEL TELECOMUNICACIONES SL | 256 | — | 1 |
| AS208726ES | ASFIATC FIATC MUTUA DE SEGUROS Y REASEGUROS | 256 | — | 1 |
| AS211216ES | PROTESE Protese S.L. | 256 | — | 1 |
| AS210605ES | ITENCORE IT ENCORE TECNOLOGIA SL | 256 | — | 1 |
| AS43520ES | MEYTEL-AS Meytel Publicidad S.L. | 256 | — | 1 |
| AS205563ES | zGato Marc Gomez | 256 | 117 | 118 |
| AS44989ES | AERNNOVA-AS AERNNOVA AEROSPACE SA Unipersonal | 256 | — | 1 |
| AS209618ES | as-HolaMundo_MX Valor Information Technologies, S.L. | 256 | 65.5K | 2 |
| AS51753ES | TRASMEDITERRANEA Compania TRASMEDITERRANEA, S.A. | 256 | — | 1 |
| AS212230ES | VIESGO VIESGO INFRAESTRUCTURAS ENERGETICAS S.L. | 256 | — | 1 |
| AS49638ES | CATNIX Consorci de Serveis Universitaris de Catalunya | 256 | 1 | 2 |
| AS203499ES | Wi-Net-SOLIS-AS Free Technologies Excom S.L. | 256 | — | 1 |
| AS15608ES | Banco Inversis S.A. | 256 | — | 1 |
| AS39536ES | botic BO ICT Management, S.L. | 256 | — | 1 |
| AS206041ES | NETWORKHERO Network Hero, S.L. | 256 | — | 1 |
| AS24772ES | ASIP-AIE-AS FACTORIA PRISA NOTICIAS S.L. Sociedad Unipersonal | 256 | — | 1 |
| AS204134ES | INCServers Jose Socrates Reviejo Bermejo | 256 | 1 | 2 |
| AS205796ES | BRUTALSYS Brutalsys, S.L. | 256 | — | 1 |
| AS202349ES | Fibrabox Fibercli Proyectos e Innovacion S.L. | 256 | — | 1 |
| AS208888ES | FRONTERA-TV Four Mirror Advisors, S.L. | 256 | — | 1 |
| AS210055ES | ELECTROPUERTOSUR FIBERPLUS COMUNICATIONS, SL | 256 | — | 1 |
| AS216060ES | carino Carino Servicios Empresariales SL | 256 | — | 1 |
| AS31332ES | INDUSTRIA-DE-TURBO-PROPULSORES-AS Industria de Turbo Propulsores S.A. | 256 | — | 1 |
| AS203115ES | sentrium VyOS Networks Iberia S.L.U. | 256 | — | 1 |
| AS204705ES | ASCetelem Cetelem Servicios Informaticos AIE | 256 | — | 1 |
| AS202915ES | CUSTOS-AS CUSTOS messium SLNE | 256 | — | 1 |
| AS205457ES | Wisp_Tachira Valor Information Technologies, S.L. | 256 | 65.5K | 2 |
| AS41072ES | FNMT Fabrica Nacional de Moneda y Timbre | 256 | — | 1 |
| AS204628ES | AS-Network-Service Valor Information Technologies, S.L. | 256 | 65.5K | 2 |
| AS211300ES | INTELMO-AS Angel Moreno trading as INTELMO C.B. | 256 | — | 1 |
| AS215656ES | servaticabcn Servatica Technologies, S.L. | 256 | 524.3K | 2 |
| AS204175ES | AKINOSTRA Nostravant S.L.L. | 256 | — | 1 |
| AS213615ES | AS-ODCLOUD ON DIVERSITY CLOUD EUROPE, S.L. | 256 | 16 | 17 |
| AS203874ES | DevRex David Pujals Sans | 256 | — | 1 |