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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 |
| 256 |
| — |
| 1 |
| AS199772ES | Fontventa FONTVENTA SL | 256 | — | 1 |
| AS208726ES | ASFIATC FIATC MUTUA DE SEGUROS Y REASEGUROS | 256 | — | 1 |
| AS202349ES | Fibrabox Fibercli Proyectos e Innovacion S.L. | 256 | — | 1 |
| AS207008ES | FIBRANOSTRA Fibra Nostra, SL | 256 | — | 1 |
| AS42722ES | GRIFOLS-AS Grifols S.A. | 256 | — | 1 |
| AS210790ES | coloriuris COLORIURIS S.L. | 256 | — | 1 |
| AS210605ES | ITENCORE IT ENCORE TECNOLOGIA SL | 256 | — | 1 |
| AS205457ES | Wisp_Tachira Valor Information Technologies, S.L. | 256 | 65.5K | 2 |
| AS204810ES | SERENAE SERENAE SERVICIOS AVANZADOS SL | 256 | 16.4K | 2 |
| AS48868ES | SERES-AS SOCIEDAD DE EXPLOTACION DE REDES ELECTRONICAS Y SERVICIOS, SA | 256 | — | 1 |
| AS202915ES | CUSTOS-AS CUSTOS messium SLNE | 256 | — | 1 |
| AS204134ES | INCServers Jose Socrates Reviejo Bermejo | 256 | 1 | 2 |
| AS212052ES | ASNETEXPERIENCE AMADO NEBOT FORES | 256 | — | 1 |
| AS9052ES | Unidad Editorial SA | 256 | — | 1 |
| AS213600ES | voicecloud VOICE CLOUD SL | 256 | 1 | 2 |
| AS211033ES | ASCORIAWEB Jose Poyato Prieto | 256 | 1 | 2 |
| AS206041ES | NETWORKHERO Network Hero, S.L. | 256 | — | 1 |
| AS202169ES | SCANSAT-AS AVATEL TELECOM, SA | 256 | — | 1 |
| AS200171ES | NTTSWSAAS-AS NUEVA TECNOLOGIA TECNICA, S.L. | 256 | — | 1 |
| AS29109ES | MEDIOSAVANZADOS-AS MEDIOS AVANZADOS DE CALCULO Y DISENO, S.L. | 256 | — | 1 |
| AS210350ES | CIVICOS Civicos Networking S.L.U. | 256 | — | 1 |
| AS204654ES | ASAGROSEGURO AGRUPACION ESPANOLA DE ENTIDADES ASEGURADORAS DE LOS SEGUROS AGRARIOS COMBINADOS SA | 256 | — | 1 |
| AS212107ES | SINOPHOS-AS SINOPHOS GROUP LLORET SL. | 256 | — | 1 |
| AS210469ES | CARLOSL Carlos Latorre Sanchez | 256 | 16 | 2 |
| AS215656ES | servaticabcn Servatica Technologies, S.L. | 256 | 524.3K | 2 |
| AS202018ES | Servinet Servinet Sistemas y Comunicacion S.L. | 256 | — | 1 |
| AS43520ES | MEYTEL-AS Meytel Publicidad S.L. | 256 | — | 1 |
| AS212332ES | THINCO-TELECOM-AS Agustin Lorenzo Sempere trading as Thinco Telecom | 256 | 267 | 6 |
| AS15608ES | Banco Inversis S.A. | 256 | — | 1 |
| AS211300ES | INTELMO-AS Angel Moreno trading as INTELMO C.B. | 256 | — | 1 |
| AS214986ES | ASNERI1 ENERI CLOUD SISTEMAS, SL | 256 | — | 1 |
| AS199312ES | Megavista Free Technologies Excom S.L. | 256 | — | 1 |
| AS199955ES | Adder_Computer_SL Adder Computer, SL | 256 | — | 1 |
| AS60076ES | DONDE Dynamic Over Network De Espana SL | 256 | — | 1 |
| AS13137ES | AGENCIAEFE-AS AGENCIA EFE SA | 256 | — | 1 |
| AS207191ES | T2OAS T2O AD MEDIA SERVICES S.L. | 256 | — | 1 |
| AS208823ES | SILME Servei de Informatica Local de Menorca | 256 | — | 1 |
| AS210670ES | CLOUDGAL INFORMATICA Y NETWORKING COMPOSTELA SLU | 256 | — | 1 |
| AS24580ES | SUPSA SUPSA SUPERMERCATS PUJOL SL | 256 | — | 1 |
| AS214470ES | DIFFERNET-AS Carmen Rocio Jimenez Pulido | 256 | 32.8K | 2 |
| AS41994ES | Credito-y-Caucion ATRADIUS CREDITO Y CAUCION SA, DE SEGUROS Y REASEGUROS | 256 | — | 1 |
| AS51555ES | ASN-PREFERENCE PREFERENCE SL | 256 | — | 1 |
| AS208888ES | FRONTERA-TV Four Mirror Advisors, S.L. | 256 | — | 1 |
| AS210944ES | LAVOZ-AS LA VOZ DE GALICIA, S.A | 256 | — | 1 |
| AS211345ES | ValldignaLive Toni Plana i Peris | 256 | — | 1 |
| AS209618ES | as-HolaMundo_MX Valor Information Technologies, S.L. | 256 | 65.5K | 2 |