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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 |
| 2K |
| — |
| 5 |
| AS57677ES | SINTELEC SINTELEC INFORMATICA, S.L. | 2K | — | 1 |
| AS205575ES | VEO-TV-Alameda Veo Telecomunicaciones SL | 2K | — | 8 |
| AS213336ES | ITENCORE IT ENCORE TECNOLOGIA SL | 2K | — | 5 |
| AS200793ES | aoraconecta AORA CONECTA S.L.L. | 2K | — | 8 |
| AS214636ES | fibrasur Fibrasur Operadores S.L. | 2K | — | 2 |
| AS199976ES | AS_DUNE DUNE TECHNOLOGY SL | 2K | — | 8 |
| AS198404ES | ASRENTEL RENTEL WIFI, S.L. | 2K | — | 8 |
| AS202658ES | cityfiber CITY FIBER SL | 2K | — | 2 |
| AS208170ES | FIBRESPEED FIBRESPEED, S.L. | 2K | — | 5 |
| AS203934ES | gigabytesistemas DIGITAL GARAGE S.L. | 2K | 65.5K | 4 |
| AS60917ES | TEDRA TEDRA GLOBAL SOLUTIONS S.L. | 2K | 65.5K | 9 |
| AS208863ES | MANGO-AS MANGO MNG S.A. | 2K | — | 5 |
| AS209478ES | SYSPROVIDER Leyre Rivera Martin | 2K | 524.3K | 6 |
| AS209791ES | AREAWIFI BREAK FREE TELECOM SL | 2K | — | 3 |
| AS199905ES | AS_TRIANGULO TRIANGULO DE CONTROL G-3 S.A. | 2K | — | 5 |
| AS202484ES | AZURITA-STORE-AS Azurita Store S. L. | 2K | — | 1 |
| AS203280ES | andaina Jose Antonio Vazquez Quian | 2K | — | 5 |
| AS212714ES | CANALPOZUELOASN Canal Pozuelo S.L. | 2K | 524.3K | 5 |
| AS203292ES | Hostisoft Hostisoft S.L. | 2K | — | 5 |
| AS56697ES | suisbogatelecom SUIS BOGA TELECOM SL | 2K | 524.3K | 6 |
| AS203712ES | XARTIC-AS Xarxes Esteses de Comunicacions SL | 2K | 65.5K | 9 |
| AS202825ES | neartel NEAR TELECOM S.L. | 2K | 524.3K | 9 |
| AS206863ES | CODIGO1 EQUIPOS INFORMATICOS ERONET SL | 2K | — | 2 |
| AS206642ES | quasar-es Quasar Soluciones Tecnologicas, S.L.U. | 2K | — | 5 |
| AS48187ES | AFADFA-AS ARABAKO FORU ALDUNDIA / DIPUTACION FORAL DE ALAVA | 2K | — | 1 |
| AS209923ES | SUBBETICAC GRUPO INFORMATICA PACO SECILLA SL | 2K | — | 5 |
| AS207026ES | QUOPIAM Quopiam Informatica SL | 2K | 524.3K | 6 |
| AS215714ES | codipro CONTROL DIGITAL DE PROCESOS SL | 2K | — | 6 |
| AS200695ES | onwifitgn OnWifi Tarragona SLU | 2K | — | 5 |
| AS206602ES | tvtcable TVT TECNICENTRO, SL UNIP | 2K | — | 2 |
| AS204861ES | CODISATS Codisa Telco Solutions S.L. | 2K | 524.3K | 5 |
| AS205715ES | AS-FitelNetwork Fitel Network S.L. | 2K | — | 5 |
| AS44278ES | GRANACABLE GRANACABLE S.L | 2K | — | 4 |
| AS208897ES | AS-LASTEL Lasarte Telecomunicaciones, S.L. | 2K | — | 5 |
| AS202844ES | Airsip_telecomunicaciones_ASN Airsip Telecomunicaciones S.L. | 2K | 524.3K | 3 |
| AS28971ES | MEDIAFUSION-ES-AS D-MOBILELAB SPAIN S.A. | 2K | — | 1 |
| AS42241ES | SODEFESA Mairena del Aljarafe city council | 2K | — | 1 |
| AS215029ES | OXGDC-AS OXIGEN Data Center S.L. | 2K | — | 5 |
| AS59403ES | ZONAMBER ZONAMBER SL | 2K | — | 1 |
| AS205506ES | AS-SAYTEL-01 Seidor Soluciones Globales SL | 2K | — | 7 |
| AS48221ES | CASSI EMPRESAS MUNICIPALES DE SEVILLA, A.I.E. | 2K | — | 1 |
| AS51362ES | operadora-gredos OPERADORA GREDOS SL | 2K | — | 5 |
| AS2606ES | wifiberes Wifiber.es SL | 2K | — | 5 |
| AS203751ES | wifimax GRUPO WIFIMAX, S.L. | 2K | — | 7 |
| AS207185ES | airconect Free Technologies Excom S.L. | 2K | — | 5 |
| AS208597ES | ES-NASERTIC-AS NAVARRA DE SERVICIOS Y TECNOLOGIAS S.A. | 2K | 524.3K | 4 |