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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 |
| carino Carino Servicios Empresariales SL |
| 256 |
| — |
| 1 |
| AS199955ES | Adder_Computer_SL Adder Computer, SL | 256 | — | 1 |
| AS201619ES | wifitoons Wifitoons S.L. | 256 | — | 1 |
| AS204695ES | asservan MARIA JOSEFA SILVERO PARRA | 256 | — | 1 |
| AS197183ES | Occentus Occentus Network SL | 256 | — | 1 |
| AS205796ES | BRUTALSYS Brutalsys, S.L. | 256 | — | 1 |
| AS60488ES | VISUALTEC-AS Tecnocratica Centro de Datos, S.L. | 256 | — | 1 |
| AS199149ES | SOLINTEX-INSULAR Solintex Insular SLU | 256 | — | 1 |
| AS204629ES | Qemugen_Cloud Valor Information Technologies, S.L. | 256 | 65.5K | 2 |
| AS42212ES | BUILD2EDIFICA-AS NALANDA GLOBAL S.A. | 256 | — | 1 |
| AS49638ES | CATNIX Consorci de Serveis Universitaris de Catalunya | 256 | 1 | 2 |
| AS9094ES | LYNTIA_MSP_INTERNAL LYNTIA NETWORKS S.A. | 256 | — | 1 |
| AS212957ES | HUCAME-AS Hucame Telecom Networks SLU | 256 | — | 1 |
| AS203499ES | Wi-Net-SOLIS-AS Free Technologies Excom S.L. | 256 | — | 1 |
| AS207191ES | T2OAS T2O AD MEDIA SERVICES S.L. | 256 | — | 1 |
| AS42722ES | GRIFOLS-AS Grifols S.A. | 256 | — | 1 |
| AS56551ES | CVQ1-RIPE Ayuntamiento Rivas Vaciamadrid | 256 | — | 1 |
| AS43520ES | MEYTEL-AS Meytel Publicidad S.L. | 256 | — | 1 |
| AS212230ES | VIESGO VIESGO INFRAESTRUCTURAS ENERGETICAS S.L. | 256 | — | 1 |
| AS41287ES | IPEOPLE Adjenet Networks SL | 256 | — | 1 |
| AS31164ES | LABESTEVE-AS ESTEVE PHARMACEUTICALS SA | 256 | — | 1 |
| AS213615ES | AS-DIVERSITY ON DIVERSITY CLOUD EUROPE, S.L. | 256 | 17 | 18 |
| AS214550ES | netsolutions Netsolutions Servicios de Telecomunicaciones SL | 256 | — | 1 |
| AS51555ES | ASN-PREFERENCE PREFERENCE SL | 256 | — | 1 |
| AS202915ES | CUSTOS-AS CUSTOS messium SLNE | 256 | 1 | 2 |
| AS208027ES | GESTAMP GESTAMP SERVICIOS, S.A. | 256 | — | 1 |
| AS213138ES | alfanetwork Alfa Network SL | 256 | — | 1 |
| AS213600ES | voicecloud VOICE CLOUD SL | 256 | 1 | 2 |
| AS219304ES | MARFEEL Marfeel Solutions, S.L. | 256 | — | 1 |
| AS203051ES | DIPUAVILA DIPUTACION PROVINCIAL DE AVILA | 256 | — | 1 |
| AS13137ES | AGENCIAEFE-AS AGENCIA EFE SA | 256 | — | 1 |
| AS201569ES | northpoint North Point Solution SL | 256 | 65.5K | 2 |
| AS199949ES | SEGON-AS Grupo On Seguridad SL | 256 | — | 1 |
| AS210605ES | ITENCORE IT ENCORE TECNOLOGIA SL | 256 | — | 1 |
| AS211216ES | PROTESE Protese S.L. | 256 | — | 1 |
| AS215894ES | BLANCATEL BLANCATEL, S.L. | 256 | — | 1 |
| AS202018ES | Servinet Servinet Sistemas y Comunicacion S.L. | 256 | — | 1 |
| AS208726ES | ASFIATC FIATC MUTUA DE SEGUROS Y REASEGUROS | 256 | — | 1 |
| AS212332ES | THINCO-TELECOM-AS Agustin Lorenzo Sempere trading as Thinco Telecom | 256 | — | 1 |
| AS216003ES | TVTRUJILLO TELEVISION TRUJILLO S.L. | 256 | — | 1 |
| AS202349ES | Fibrabox Fibercli Proyectos e Innovacion S.L. | 256 | — | 1 |
| AS210944ES | LAVOZ-AS LA VOZ DE GALICIA, S.A | 256 | — | 1 |
| AS208824ES | POLOPRO Pau Cab | 256 | 18 | 4 |
| AS206041ES | NETWORKHERO Network Hero, S.L. | 256 | — | 1 |
| AS215235ES | CUVIC Cuvicbaga Informatica S.L. | 256 | — | 1 |
| AS209259ES | ASAENOR Corporacion Confidere SA | 256 | — | 1 |
| AS204654ES | ASAGROSEGURO AGRUPACION ESPANOLA DE ENTIDADES ASEGURADORAS DE LOS SEGUROS AGRARIOS COMBINADOS SA | 256 | — | 1 |