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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 |
| 2K |
| — |
| 5 |
| AS202658ES | cityfiber CITY FIBER SL | 2K | — | 2 |
| AS198871ES | DIPCAS-AS Diputacion Provincial de Castellon | 2K | — | 8 |
| AS207026ES | QUOPIAM Quopiam Informatica SL | 2K | 524.3K | 6 |
| AS206642ES | quasar-es Quasar Soluciones Tecnologicas, S.L.U. | 2K | — | 5 |
| AS199685ES | FIRST-SERVER-EU-WEST FIRST SERVER, SOCIEDAD LIMITADA | 2K | 2 | 6 |
| AS209855ES | calpenetworks1 CALPE NETWORKS SL | 2K | — | 5 |
| AS2606ES | wifiberes Wifiber.es SL | 2K | — | 5 |
| AS57929ES | OCTANIO-1 Octanio Sistemas Informaticos SL | 2K | — | 1 |
| AS201976ES | ASMERCADONA Mercadona S.A | 2K | — | 6 |
| AS203280ES | andaina Jose Antonio Vazquez Quian | 2K | — | 5 |
| AS208928ES | megalan MEGALAN TELECOM SL | 2K | — | 5 |
| AS213475ES | TMB-AS TRANSPORTS DE BARCELONA, S.A. | 2K | — | 5 |
| AS202825ES | neartel NEAR TELECOM S.L. | 2K | 524.3K | 9 |
| AS204861ES | CODISATS Codisa Telco Solutions S.L. | 2K | 524.3K | 5 |
| AS40973ES | JCCM Junta de Comunidades de Castilla-La Mancha | 2K | — | 1 |
| AS24830ES | INTEREC-AS CIRCUITOS ALJARAFE, S.L. | 2K | — | 8 |
| AS2114ES | ESIC ESCUELAS DE ESTUDIOS SUPERIORES ESIC SACERDOTES DEL CORAZON DE JESUS PADRES REPARADORES | 2K | — | 1 |
| AS198404ES | ASRENTEL RENTEL WIFI, S.L. | 2K | — | 8 |
| AS215029ES | OXGDC-AS OXIGEN Data Center S.L. | 2K | — | 5 |
| AS199976ES | AS_DUNE DUNE TECHNOLOGY SL | 2K | — | 8 |
| AS41876ES | MolTelecom IGNACIO JOSE PLA CUCO | 2K | — | 5 |
| AS48864ES | CEMI-MALAGA-AS Centro Municipal de Informatica de Malaga | 2K | — | 1 |
| AS208170ES | FIBRESPEED FIBRESPEED, S.L. | 2K | — | 5 |
| AS202844ES | Airsip_telecomunicaciones_ASN Airsip Telecomunicaciones S.L. | 2K | 524.3K | 3 |
| AS202608ES | UNILAN-AS UNILAN TELECOM SL | 2K | — | 5 |
| AS48221ES | CASSI EMPRESAS MUNICIPALES DE SEVILLA, A.I.E. | 2K | — | 1 |
| AS56697ES | suisbogatelecom SUIS BOGA TELECOM SL | 2K | 524.3K | 6 |
| AS203712ES | XARTIC-AS Xarxes Esteses de Comunicacions SL | 2K | 65.5K | 9 |
| AS48697ES | AMA-ES Amadeus Soluciones Tecnologicas S.A. | 2K | — | 1 |
| AS214636ES | fibrasur Fibrasur Operadores S.L. | 2K | — | 2 |
| AS202211ES | MariposaNet Manuel Mariposa Consulting SL | 2K | — | 5 |
| AS204488ES | Connect-Solutions CONNECTA-COMUNICACIONS INTEGRALS DE CATALUNYA S.L | 2K | — | 8 |
| AS48884ES | LDA-AS Linea Directa Aseguradora, S.A. | 2.3K | — | 7 |
| AS39838ES | as-peering_latam Valor Information Technologies, S.L. | 2.3K | 65.5K | 3 |
| AS205241ES | Vunkers VUNKERS IT EXPERTS S.L. | 2.3K | 65.5K | 7 |
| AS214954ES | CATALUNYATELECOM CATALUNYA TELECOM S.L. | 2.3K | 524.3K | 8 |
| AS202375ES | DIGITALBOX Digital Albox SL | 2.3K | — | 9 |
| AS202384ES | NETFIBER-AS Netfiber Conecta 2020 SLU | 2.3K | — | 8 |
| AS212849ES | jctecnics J.C. TECNICS, S.L. | 2.3K | 524.3K | 7 |
| AS204858ES | voipminic VOIPMINIC, S.L. | 2.3K | — | 6 |
| AS213006ES | NSFTELECOM Invermae Solutions SL | 2.3K | — | 8 |
| AS215927ES | SURWITEL SURWITEL COMUNICACIONES, S.L. | 2.3K | — | 9 |
| AS49173ES | ASN-TELECABLE Telecable Almonte, S.L. | 2.3K | — | 6 |
| AS210007ES | IFEMA INSTITUCION FERIAL DE MADRID | 2.3K | — | 4 |
| AS33932ES | EVERYWAN-AS Minorisa de Sistemas Informaticos y de Gestion, S.L. | 2.3K | 524.3K | 10 |
| AS212116ES | VentoRede Vento Rede, S.L. | 2.3K | — | 7 |