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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 |
| AS199195ES | AS_GUADALNET ANOTHER CALPE CONSULTING CONCEPT S.L. | 256 | 1 | 2 |
| AS213950ES | bronto Gufo Sistems S.L. | 256 | — | 1 |
| AS212932ES | wimaxrng Wimax Redes de Nueva Generacion S.L.U | 256 | — | 1 |
| AS207628ES | ESTYA-AS Eduardo Senin Herrero | 256 | 524.3K | 2 |
| AS212107ES | SINOPHOS-AS SINOPHOS GROUP LLORET SL. | 256 | — | 1 |
| AS29117ES | ChatHispano Asociacion IRC Hispano | 256 | 1 | 2 |
| AS51555ES | ASN-PREFERENCE PREFERENCE SL | 256 | — | 1 |
| AS215235ES | CUVIC Cuvicbaga Informatica S.L. | 256 | — | 1 |
| AS212052ES | ASNETEXPERIENCE AMADO NEBOT FORES | 256 | — | 1 |
| AS208823ES | SILME Servei de Informatica Local de Menorca | 256 | — | 1 |
| AS211300ES | INTELMO-AS Angel Moreno trading as INTELMO C.B. | 256 | — | 1 |
| AS9094ES | LYNTIA_MSP_INTERNAL LYNTIA NETWORKS S.A. | 256 | — | 1 |
| AS207191ES | T2OAS T2O AD MEDIA SERVICES S.L. | 256 | — | 1 |
| AS29109ES | MEDIOSAVANZADOS-AS MEDIOS AVANZADOS DE CALCULO Y DISENO, S.L. | 256 | — | 1 |
| AS203012ES | gestioniza FIBRITEL TELECOMUNICACIONES SL | 256 | — | 1 |
| AS205796ES | BRUTALSYS Brutalsys, S.L. | 256 | — | 1 |
| AS199889ES | cvip Cvip Soluciones Tecnologicas Alternativas Sl. | 256 | 524.3K | 2 |
| AS213909ES | FUNCIONALIA SERVYTEC NETWORKS, S.L.U. | 256 | — | 1 |
| AS200171ES | NTTSWSAAS-AS NUEVA TECNOLOGIA TECNICA, S.L. | 256 | — | 1 |
| AS209259ES | ASAENOR Corporacion Confidere SA | 256 | — | 1 |
| AS202018ES | Servinet Servinet Sistemas y Comunicacion S.L. | 256 | — | 1 |
| AS204628ES | AS-Network-Service Valor Information Technologies, S.L. | 256 | 65.5K | 2 |
| AS200380ES | ASIMAGAR Imagar Informatica SL | 256 | — | 1 |
| AS30939ES | ISDEFE-AS INGENIERIA DE SISTEMAS PARA LA DEFENSA DE ESPANA SA | 256 | — | 1 |
| AS208027ES | GESTAMP GESTAMP SERVICIOS, S.A. | 256 | — | 1 |
| AS214080ES | TRANSPARENT-EDGE Transparent Edge Services S.L. | 256 | — | 1 |
| AS210670ES | CLOUDGAL INFORMATICA Y NETWORKING COMPOSTELA SLU | 256 | — | 1 |
| AS199428ES | AlvaroNavas Alvaro Navas | 256 | — | 1 |
| AS41994ES | Credito-y-Caucion ATRADIUS CREDITO Y CAUCION SA, DE SEGUROS Y REASEGUROS | 256 | — | 1 |
| AS204134ES | INCServers Jose Socrates Reviejo Bermejo | 256 | 1 | 2 |
| AS60488ES | VISUALTEC-AS Tecnocratica Centro de Datos, S.L. | 256 | — | 1 |
| AS60076ES | DONDE Dynamic Over Network De Espana SL | 256 | — | 1 |
| AS206930ES | Tuyo_Internet Valor Information Technologies, S.L. | 256 | 65.5K | 2 |
| AS48868ES | SERES-AS SOCIEDAD DE EXPLOTACION DE REDES ELECTRONICAS Y SERVICIOS, SA | 256 | — | 1 |
| AS204563ES | TRT-MAD NexTReT S.L. | 512 | — | 2 |
| AS209235ES | fibercli Fibercli Proyectos e Innovacion S.L. | 512 | 65.5K | 3 |
| AS31479ES | ES-IPorium-AS Valor Information Technologies, S.L. | 512 | — | 1 |
| AS211717ES | FIBRALINK-AS CORPORACION MENORQUINA DE CABLE SA | 512 | — | 2 |
| AS206404ES | Altercom21 ALTERCOM-21 SL | 512 | — | 2 |
| AS210319ES | ASTomares Telecable Cartaya S.L. | 512 | — | 2 |
| AS204286ES | cdn4you Invermae Solutions SL | 512 | — | 2 |
| AS59772ES | fluidra FLUIDRA SA | 512 | — | 2 |
| AS214678ES | TOTALWIFI-AS Total WiFi SL | 512 | — | 2 |
| AS207415ES | NPAW Nicepeopleatwork, S.L. | 512 | 1 | 3 |
| AS207579ES | NUMBERONE DITT REDMOVIL SL | 512 | — | 2 |
| AS214113ES | Titan TITAN DATA CENTER, S.L | 512 | — | 2 |