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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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| AS213942ES | cityfiber CITY FIBER SL | — | — | 0 |
| AS201136ES | AGLZ Agiliza Solutions SL | — | — | 0 |
| AS50573ES | AS-GOMEZ Martin Gomez Hermida | — | — | 0 |
| AS199603ES | OCTANIO-2 Octanio Sistemas Informaticos SL | — | — | 0 |
| AS198885ES | REBELOAK Spotting Brands Technologies S.L | — | — | 0 |
| AS24654ES | ORANGE-MOVILWEB21-AS Orange Espagne SA | — | — | 0 |
| AS210439ES | Cloud_Intelligence_SL Cloud Intelligence SL | — | — | 0 |
| AS199640ES | EDREAMS-AS eDreams International Network, SL | — | — | 0 |
| AS205744ES | Vola Vola los del Internet S.L. | — | — | 0 |
| AS215203ES | SNEP-AS Aleksei Efimov | — | 3 | 3 |
| AS216166ES | GALNIX PUNTO NEUTRO DE GALICIA GALNIX, S.L. | — | — | 0 |
| AS215736ES | ajreus Ajuntament de Reus | — | — | 0 |
| AS204166ES | AYSDC 7P SERVICIOS INTEGRADOS SLU | — | — | 0 |
| AS210904ES | CGL-AS CHRISTIAN GARCIA LOZANO | — | — | 0 |
| AS34952ES | EQUINIX-CLOUD-EXCHANGE-BA-ASN EQUINIX (SPAIN) ENTERPRISES SLU | — | — | 0 |
| AS207815ES | AS1-LSM Luis Sanchez Martin | — | — | 0 |
| AS60675ES | AVATELTELECOM AVATEL TELECOM, SA | — | — | 0 |
| AS20869ES | CLARANET-SPAIN Claranet S.A.U. | — | — | 0 |
| AS213399ES | AKIWIFI-TOLEDO Nostravant S.L.L. | — | — | 0 |
| AS210505ES | lo0 Fibercli Proyectos e Innovacion S.L. | — | — | 0 |
| AS202330ES | ISPGestion ISP Gestion Provider SL | — | — | 0 |
| AS209143ES | terrachatechnology ITEGAL SERVICIOS TIC S.L. | — | — | 0 |
| AS214248ES | atmbroadcast ATM Broadcast SL | — | — | 0 |
| AS211650ES | AS_CELENET CELENETWORKS SL | — | — | 0 |
| AS214522ES | ARNA13 Arnau Barbero | — | 1 | 1 |
| AS213964ES | INTERMAXES INTERMAX TECHNOLOGY, S.L. | — | — | 0 |
| AS12715ES | JAZZNET Orange Espagne SA | — | — | 0 |
| AS212356ES | VIDEOSAT1 Felipe Alcaraz Molina | — | — | 0 |
| AS208767ES | ES-TELEVALENTIN2-AS TELEVALENTIN, S.L | — | — | 0 |
| AS51457ES | CONECTAWIRELESS CONECTA WIRELESS S.L. | — | — | 0 |
| AS199435ES | WIMAXONLINE-AS XFERA Moviles S.A. | — | — | 0 |
| AS25297ES | COMSA-AS COMSA CORPORACION DE INFRAESTRUCTURAS SL | — | — | 0 |
| AS200992ES | DWIM-AS Carlos Martin Nieto | — | 1 | 1 |
| AS35404ES | AS-TELEPITU AVATEL TELECOM, SA | — | — | 0 |
| AS197649ES | TuServer_y_ServersGame JUAN PORRO FLORES | — | 1 | 1 |
| AS57140ES | bluso XFERA Moviles S.A. | — | — | 0 |
| AS51773ES | SOFTONIC-AS Softonic International, S.A. | — | — | 0 |
| AS210610ES | CLOUD-CIT-NET Cloud Cit Soft SL | — | — | 0 |
| AS211475ES | VOZFUSION VozFusion S.L. | — | — | 0 |
| AS210072ES | InnovaTelekom INNOVA TELEKOM REDES Y SERVICIOS SLU | — | — | 0 |
| AS39831ES | valorit Valor Information Technologies, S.L. | — | 131.1K | 2 |
| AS203935ES | sonimar 7P SERVICIOS INTEGRADOS SLU | — | — | 0 |
| AS210121ES | GUAITA PROPHASE ELECTRONICS, S.L. | — | — | 0 |
| AS204557ES | CWAGOST-AS Cable Aireworld S.A.U. | — | — | 0 |
| AS203709ES | schedia XFERA Moviles S.A. | — | — | 0 |
| AS47756ES | UNICABLE-ASN UNICABLE TELECOMUNICACIONES A.I.E | — | — | 0 |