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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 |
| ES-FOFNET-AS FIBRA OPTICA FILABRES S.L |
| 2K |
| 524.3K |
| 3 |
| AS208170ES | FIBRESPEED FIBRESPEED, S.L. | 2K | — | 5 |
| AS48187ES | AFADFA-AS ARABAKO FORU ALDUNDIA / DIPUTACION FORAL DE ALAVA | 2K | — | 1 |
| AS202658ES | cityfiber CITY FIBER SL | 2K | — | 2 |
| AS204861ES | CODISATS Codisa Telco Solutions S.L. | 2K | 524.3K | 5 |
| AS201976ES | ASMERCADONA Mercadona S.A | 2K | — | 6 |
| AS48221ES | CASSI EMPRESAS MUNICIPALES DE SEVILLA, A.I.E. | 2K | — | 1 |
| AS209791ES | AREAWIFI BREAK FREE TELECOM SL | 2K | — | 3 |
| AS202608ES | UNILAN-AS UNILAN TELECOM SL | 2K | — | 5 |
| AS208596ES | VERIMAX Verimax Telecom SL | 2K | — | 3 |
| AS209855ES | calpenetworks1 CALPE NETWORKS SL | 2K | — | 5 |
| AS24830ES | INTEREC-AS CIRCUITOS ALJARAFE, S.L. | 2K | — | 8 |
| AS41876ES | MolTelecom IGNACIO JOSE PLA CUCO | 2K | — | 5 |
| AS198871ES | DIPCAS-AS Diputacion Provincial de Castellon | 2K | — | 8 |
| AS206853ES | nolu NOLU NETWORK S.L. | 2K | — | 8 |
| AS214636ES | fibrasur Fibrasur Operadores S.L. | 2K | — | 2 |
| AS206089ES | TELECOLANZA-AS TELECOLANZA, S.L. | 2K | — | 8 |
| AS209923ES | SUBBETICAC GRUPO INFORMATICA PACO SECILLA SL | 2K | — | 5 |
| AS202844ES | Airsip_telecomunicaciones_ASN Airsip Telecomunicaciones S.L. | 2K | 524.3K | 3 |
| AS199976ES | AS_DUNE DUNE TECHNOLOGY SL | 2K | — | 8 |
| AS60917ES | TEDRA TEDRA GLOBAL SOLUTIONS S.L. | 2K | 65.5K | 9 |
| AS51362ES | operadora-gredos OPERADORA GREDOS SL | 2K | — | 5 |
| AS44278ES | GRANACABLE GRANACABLE S.L | 2K | — | 4 |
| AS48697ES | AMA-ES Amadeus Soluciones Tecnologicas S.A. | 2K | — | 1 |
| AS207026ES | QUOPIAM Quopiam Informatica SL | 2K | 524.3K | 6 |
| AS206565ES | IKAI IKAI Tecnologias Avanzadas, S.L. | 2K | — | 5 |
| AS49388ES | INTERCOMGI-BCN Inspirit Cloud, S.L. | 2K | — | 1 |
| AS204488ES | Connect-Solutions CONNECTA-COMUNICACIONS INTEGRALS DE CATALUNYA S.L | 2K | — | 8 |
| AS205057ES | oka OKA Servicios Internet SL | 2K | — | 5 |
| AS209023ES | tvlago Ruben Lago Cabrera | 2K | — | 5 |
| AS48958ES | PRSZ-AS Grupo Baladig SL | 2K | — | 5 |
| AS203280ES | andaina Jose Antonio Vazquez Quian | 2K | — | 5 |
| AS209478ES | SYSPROVIDER Leyre Rivera Martin | 2K | 524.3K | 6 |
| AS215029ES | OXGDC-AS OXIGEN Data Center S.L. | 2K | — | 5 |
| AS59403ES | ZONAMBER ZONAMBER SL | 2K | — | 1 |
| AS204858ES | voipminic VOIPMINIC, S.L. | 2.3K | — | 6 |
| AS20905ES | BancoEspanaAS Banco de Espana | 2.3K | 131.1K | 8 |
| AS199904ES | ODC-AS OLIVENET DATA CENTERS SPAIN S.L. | 2.3K | — | 5 |
| AS202375ES | DIGITALBOX Digital Albox SL | 2.3K | — | 9 |
| AS33932ES | EVERYWAN-AS Minorisa de Sistemas Informaticos y de Gestion, S.L. | 2.3K | 524.3K | 10 |
| AS214954ES | CATALUNYATELECOM CATALUNYA TELECOM S.L. | 2.3K | 524.3K | 8 |
| AS39353ES | Princast-AS Gobierno del Principado de Asturias | 2.3K | — | 4 |
| AS210007ES | IFEMA INSTITUCION FERIAL DE MADRID | 2.3K | — | 4 |
| AS208222ES | BULLHOST Bullhost Cloud Services, SL | 2.3K | — | 6 |
| AS215927ES | SURWITEL SURWITEL COMUNICACIONES, S.L. | 2.3K | — | 9 |
| AS215714ES | codipro CONTROL DIGITAL DE PROCESOS SL | 2.3K | — | 7 |
| AS39838ES | as-peering_latam Valor Information Technologies, S.L. | 2.3K | 65.5K | 3 |