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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.
1,173 autonomous systems registered to Spain. Click an AS for detail.
| AS15704ES | AS15704 XTRA TELECOM S.A. | 961.8K | 367 |
| AS29119ES | SERVIHOSTING-AS AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL | 710.1K | 420 |
| 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 | 364K | 475 |
| 1.8K |
| — |
| 4 |
| AS212918ES | CLICKTEL Clicktel SL | 1.8K | — | 3 |
| AS199581ES | DATARUSH Data Rush IT Services, S.L. | 1.8K | 65.5K | 4 |
| AS48048ES | INDRASISTEMAS-AS INDRA SISTEMAS, S.A. | 1.8K | — | 4 |
| AS211654ES | pcmancha PC Mancha S.L. | 2K | 524.3K | 6 |
| AS199976ES | AS_DUNE DUNE TECHNOLOGY SL | 2K | — | 8 |
| AS203292ES | Hostisoft Hostisoft S.L. | 2K | — | 5 |
| AS2114ES | ESIC ESCUELAS DE ESTUDIOS SUPERIORES ESIC SACERDOTES DEL CORAZON DE JESUS PADRES REPARADORES | 2K | — | 1 |
| AS40973ES | JCCM Junta de Comunidades de Castilla-La Mancha | 2K | — | 1 |
| AS208597ES | ES-NASERTIC-AS NAVARRA DE SERVICIOS Y TECNOLOGIAS S.A. | 2K | 524.3K | 4 |
| AS42241ES | SODEFESA Mairena del Aljarafe city council | 2K | — | 1 |
| AS41876ES | MolTelecom IGNACIO JOSE PLA CUCO | 2K | — | 5 |
| AS202047ES | ipsecurity BREAK FREE TELECOM SL | 2K | — | 8 |
| AS206089ES | TELECOLANZA-AS TELECOLANZA, S.L. | 2K | — | 8 |
| AS199905ES | AS_TRIANGULO TRIANGULO DE CONTROL G-3 S.A. | 2K | — | 5 |
| AS56697ES | suisbogatelecom SUIS BOGA TELECOM SL | 2K | 524.3K | 6 |
| AS203934ES | gigabytesistemas DIGITAL GARAGE S.L. | 2K | 65.5K | 4 |
| AS212235ES | VCGelves Juan Ramon Prieto Reyes | 2K | — | 5 |
| AS199685ES | FIRST-SERVER-EU-WEST FIRST SERVER, SOCIEDAD LIMITADA | 2K | 2 | 6 |
| AS208170ES | FIBRESPEED FIBRESPEED, S.L. | 2K | — | 5 |
| AS24830ES | INTEREC-AS CIRCUITOS ALJARAFE, S.L. | 2K | — | 8 |
| AS198404ES | ASRENTEL RENTEL WIFI, S.L. | 2K | — | 8 |
| AS202608ES | UNILAN-AS UNILAN TELECOM SL | 2K | — | 5 |
| AS57929ES | OCTANIO-1 Octanio Sistemas Informaticos SL | 2K | — | 1 |
| AS206642ES | quasar-es Quasar Soluciones Tecnologicas, S.L.U. | 2K | — | 5 |
| AS201976ES | ASMERCADONA Mercadona S.A | 2K | — | 6 |
| AS205715ES | AS-FitelNetwork Fitel Network S.L. | 2K | — | 5 |
| AS202484ES | AZURITA-STORE-AS Azurita Store S. L. | 2K | — | 1 |
| AS206886ES | QPB CYBERMAN INFORMATICA Y COMUNICACIONES, SRLL | 2K | — | 5 |
| AS204396ES | tvolvera OLVERA CA.T.V., S. COOP. AND. | 2K | — | 2 |
| AS207026ES | QUOPIAM Quopiam Informatica SL | 2K | 524.3K | 6 |
| AS44278ES | GRANACABLE GRANACABLE S.L | 2K | — | 4 |
| AS209023ES | tvlago Ruben Lago Cabrera | 2K | — | 5 |
| AS203712ES | XARTIC-AS Xarxes Esteses de Comunicacions SL | 2K | 65.5K | 9 |
| AS198871ES | DIPCAS-AS Diputacion Provincial de Castellon | 2K | — | 8 |
| AS208897ES | AS-LASTEL Lasarte Telecomunicaciones, S.L. | 2K | — | 5 |
| AS209791ES | AREAWIFI BREAK FREE TELECOM SL | 2K | — | 3 |
| AS202825ES | neartel NEAR TELECOM S.L. | 2K | 524.3K | 9 |
| AS205279ES | montel Montel Telecom, S.L. | 2K | — | 5 |
| AS204861ES | CODISATS Codisa Telco Solutions S.L. | 2K | 524.3K | 5 |
| AS200695ES | onwifitgn OnWifi Tarragona SLU | 2K | — | 5 |
| AS202844ES | Airsip_telecomunicaciones_ASN Airsip Telecomunicaciones S.L. | 2K | 524.3K | 3 |
| AS209478ES | SYSPROVIDER Leyre Rivera Martin | 2K | 524.3K | 6 |
| AS200793ES | aoraconecta AORA CONECTA S.L.L. | 2K | — | 8 |
| AS206602ES | tvtcable TVT TECNICENTRO, SL UNIP | 2K | — | 2 |
| AS202211ES | MariposaNet Manuel Mariposa Consulting SL | 2K | — | 5 |
| AS51362ES | operadora-gredos OPERADORA GREDOS SL | 2K | — | 5 |