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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 |
| AS200793ES | aoraconecta AORA CONECTA S.L.L. | 2K | — | 8 |
| AS214636ES | fibrasur Fibrasur Operadores S.L. | 2K | — | 2 |
| AS202608ES | UNILAN-AS UNILAN TELECOM SL | 2K | — | 5 |
| AS213336ES | ITENCORE IT ENCORE TECNOLOGIA SL | 2K | — | 5 |
| AS48221ES | CASSI EMPRESAS MUNICIPALES DE SEVILLA, A.I.E. | 2K | — | 1 |
| AS202658ES | cityfiber CITY FIBER SL | 2K | — | 2 |
| AS203280ES | andaina Jose Antonio Vazquez Quian | 2K | — | 5 |
| AS209855ES | calpenetworks1 CALPE NETWORKS SL | 2K | — | 5 |
| AS44278ES | GRANACABLE GRANACABLE S.L | 2K | — | 4 |
| AS213475ES | TMB-AS TRANSPORTS DE BARCELONA, S.A. | 2K | — | 5 |
| AS205279ES | montel Montel Telecom, S.L. | 2K | — | 5 |
| AS208596ES | VERIMAX Verimax Telecom SL | 2K | — | 3 |
| AS209478ES | SYSPROVIDER Leyre Rivera Martin | 2K | 524.3K | 6 |
| AS2114ES | ESIC ESCUELAS DE ESTUDIOS SUPERIORES ESIC SACERDOTES DEL CORAZON DE JESUS PADRES REPARADORES | 2K | — | 1 |
| AS212714ES | CANALPOZUELOASN Canal Pozuelo S.L. | 2K | 524.3K | 5 |
| AS48187ES | AFADFA-AS ARABAKO FORU ALDUNDIA / DIPUTACION FORAL DE ALAVA | 2K | — | 1 |
| AS51362ES | operadora-gredos OPERADORA GREDOS SL | 2K | — | 5 |
| AS202825ES | neartel NEAR TELECOM S.L. | 2K | 524.3K | 9 |
| AS199976ES | AS_DUNE DUNE TECHNOLOGY SL | 2K | — | 8 |
| AS57677ES | SINTELEC SINTELEC INFORMATICA, S.L. | 2K | — | 1 |
| AS48697ES | AMA-ES Amadeus Soluciones Tecnologicas S.A. | 2K | — | 1 |
| AS210847ES | Alcala-Wifi Cesar Maffini Martin | 2K | — | 5 |
| AS205289ES | ES-FOFNET-AS FIBRA OPTICA FILABRES S.L | 2K | 524.3K | 3 |
| AS206602ES | tvtcable TVT TECNICENTRO, SL UNIP | 2K | — | 2 |
| AS207026ES | QUOPIAM Quopiam Informatica SL | 2K | 524.3K | 6 |
| AS206853ES | nolu NOLU NETWORK S.L. | 2K | — | 8 |
| AS200695ES | onwifitgn OnWifi Tarragona SLU | 2K | — | 5 |
| AS28971ES | MEDIAFUSION-ES-AS D-MOBILELAB SPAIN S.A. | 2K | — | 1 |
| AS206089ES | TELECOLANZA-AS TELECOLANZA, S.L. | 2K | — | 8 |
| AS212235ES | VCGelves Juan Ramon Prieto Reyes | 2K | — | 5 |
| AS211654ES | pcmancha PC Mancha S.L. | 2K | 524.3K | 6 |
| AS206863ES | CODIGO1 EQUIPOS INFORMATICOS ERONET SL | 2K | — | 2 |
| AS2606ES | wifiberes Wifiber.es SL | 2K | — | 5 |
| AS60917ES | TEDRA TEDRA GLOBAL SOLUTIONS S.L. | 2K | 65.5K | 9 |
| AS208928ES | megalan MEGALAN TELECOM SL | 2K | — | 5 |
| AS203292ES | Hostisoft Hostisoft S.L. | 2K | — | 5 |
| AS60807ES | Durcatel-AS Durcatel CB | 2K | — | 6 |
| AS212139ES | cvalldigna Comunica't Valldigna, S.L. | 2K | — | 4 |
| AS206565ES | IKAI IKAI Tecnologias Avanzadas, S.L. | 2K | — | 5 |
| AS206886ES | QPB CYBERMAN INFORMATICA Y COMUNICACIONES, SRLL | 2K | — | 5 |
| AS203934ES | gigabytesistemas DIGITAL GARAGE S.L. | 2K | 65.5K | 4 |
| AS56697ES | suisbogatelecom SUIS BOGA TELECOM SL | 2K | 524.3K | 6 |
| AS205057ES | oka OKA Servicios Internet SL | 2K | — | 5 |
| AS204488ES | Connect-Solutions CONNECTA-COMUNICACIONS INTEGRALS DE CATALUNYA S.L | 2K | — | 8 |
| AS59403ES | ZONAMBER ZONAMBER SL | 2K | — | 1 |
| AS199685ES | FIRST-SERVER-EU-WEST FIRST SERVER, SOCIEDAD LIMITADA | 2K | 2 | 6 |