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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 |
| 256 |
| — |
| 1 |
| AS29269ES | CLOUDGLOBAL-AS Cloud Global S.L. | 256 | 1.1M | 11 |
| AS214550ES | netsolutions Netsolutions Servicios de Telecomunicaciones SL | 256 | 524.3K | 2 |
| AS216016ES | ayto-murcia Ayuntamiento de Murcia | 256 | — | 1 |
| AS212957ES | HUCAME-AS Hucame Telecom Networks SLU | 256 | — | 1 |
| AS214986ES | ASNERI1 ENERI CLOUD SISTEMAS, SL | 256 | — | 1 |
| AS202018ES | Servinet Servinet Sistemas y Comunicacion S.L. | 256 | — | 1 |
| AS204629ES | Qemugen_Cloud Valor Information Technologies, S.L. | 256 | 65.5K | 2 |
| AS199772ES | Fontventa FONTVENTA SL | 256 | — | 1 |
| AS219304ES | MARFEEL Marfeel Solutions, S.L. | 256 | — | 1 |
| AS31428ES | LOGISTA-ES-AS Compania De Distribucion Integral Logista, SA | 256 | — | 1 |
| AS30939ES | ISDEFE-AS INGENIERIA DE SISTEMAS PARA LA DEFENSA DE ESPANA SA | 256 | — | 1 |
| AS199889ES | cvip Cvip Soluciones Tecnologicas Alternativas Sl. | 256 | 524.3K | 2 |
| AS210790ES | coloriuris COLORIURIS S.L. | 256 | — | 1 |
| AS214080ES | TRANSPARENT-EDGE Transparent Edge Services S.L. | 256 | — | 1 |
| AS201619ES | wifitoons Wifitoons S.L. | 256 | — | 1 |
| AS42816ES | FLUMOTION FLUMOTION SERVICES, S.A. | 256 | — | 1 |
| AS202097ES | IBERMUTUA IBERMUTUA | 256 | — | 1 |
| AS214855ES | ROBOTSTXT Robotstxt S.L | 256 | — | 1 |
| AS212230ES | VIESGO VIESGO INFRAESTRUCTURAS ENERGETICAS S.L. | 256 | — | 1 |
| AS202915ES | CUSTOS-AS CUSTOS messium SLNE | 256 | 1 | 2 |
| AS210944ES | LAVOZ-AS LA VOZ DE GALICIA, S.A | 256 | — | 1 |
| AS215736ES | ajreus Ajuntament de Reus | 256 | — | 1 |
| AS202210ES | Renta4_AS RENTA 4 BANCO S.A. | 256 | — | 1 |
| AS51753ES | TRASMEDITERRANEA Compania TRASMEDITERRANEA, S.A. | 256 | — | 1 |
| AS202324ES | casva CASVA SEGURIDAD, S.L. | 256 | — | 1 |
| AS216371ES | ipglobal IPGLOBAL S.L. | 256 | 524.3K | 2 |
| AS210055ES | ELECTROPUERTOSUR FIBERPLUS COMUNICATIONS, SL | 256 | — | 1 |
| AS212332ES | THINCO-TELECOM-AS Agustin Lorenzo Sempere trading as Thinco Telecom | 256 | 3 | 4 |
| AS199474ES | AS_TSK TSK ELECTRONICA Y ELECTRICIDAD S.A. | 256 | 524.3K | 2 |
| AS213138ES | alfanetwork Alfa Network SL | 256 | — | 1 |
| AS203115ES | sentrium VyOS Networks Iberia S.L.U. | 256 | — | 1 |
| AS51555ES | ASN-PREFERENCE PREFERENCE SL | 256 | — | 1 |
| AS49118ES | GYD-AS GYD IBERICA SA | 256 | — | 1 |
| AS212963ES | SERGIOB Sergio Bejarano Romero | 256 | — | 1 |
| AS49638ES | CATNIX Consorci de Serveis Universitaris de Catalunya | 256 | 1 | 2 |
| AS200380ES | ASIMAGAR Imagar Informatica SL | 256 | — | 1 |
| AS199149ES | SOLINTEX-INSULAR Solintex Insular SLU | 256 | — | 1 |
| AS43520ES | MEYTEL-AS Meytel Publicidad S.L. | 256 | — | 1 |
| AS204654ES | ASAGROSEGURO AGRUPACION ESPANOLA DE ENTIDADES ASEGURADORAS DE LOS SEGUROS AGRARIOS COMBINADOS SA | 256 | — | 1 |
| AS204705ES | ASCetelem Cetelem Servicios Informaticos AIE | 256 | — | 1 |
| AS48868ES | SERES-AS SOCIEDAD DE EXPLOTACION DE REDES ELECTRONICAS Y SERVICIOS, SA | 256 | — | 1 |
| AS204175ES | AKINOSTRA Nostravant S.L.L. | 256 | — | 1 |
| AS203051ES | DIPUAVILA DIPUTACION PROVINCIAL DE AVILA | 256 | — | 1 |
| AS205796ES | BRUTALSYS Brutalsys, S.L. | 256 | — | 1 |
| AS215894ES | BLANCATEL BLANCATEL, S.L. | 256 | — | 1 |
| AS211441ES | Byficom BYFITEL COMUNICACIONES SL | 256 | 524.3K | 2 |