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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 | 688.4K | 400 |
| 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 | 363.3K | 472 |
| 256 |
| 65.5K |
| 2 |
| AS215656ES | servaticabcn Servatica Technologies, S.L. | 256 | 524.3K | 2 |
| AS201426ES | HostingSoltia Soltia Consulting SL | 256 | — | 1 |
| AS212332ES | THINCO-TELECOM-AS Agustin Lorenzo Sempere trading as Thinco Telecom | 256 | — | 1 |
| AS209195ES | ASCASER CAJA DE SEGUROS REUNIDOS COMPANIA DE SEGUROS Y REASEGUROS SA | 256 | — | 1 |
| AS206930ES | Tuyo_Internet Valor Information Technologies, S.L. | 256 | 65.5K | 2 |
| AS39536ES | botic BO ICT Management, S.L. | 256 | — | 1 |
| AS209259ES | ASAENOR Corporacion Confidere SA | 256 | — | 1 |
| AS219161ES | TEUIT-AS Teuit Sociedad Limitada | 256 | 524.3K | 2 |
| AS48868ES | SERES-AS SOCIEDAD DE EXPLOTACION DE REDES ELECTRONICAS Y SERVICIOS, SA | 256 | — | 1 |
| AS204705ES | ASCetelem Cetelem Servicios Informaticos AIE | 256 | — | 1 |
| AS212059ES | JWESP-AS TESTIGOS CRISTIANOS DE JEHOVA | 256 | 65.5K | 2 |
| AS210469ES | CARLOSL Carlos Latorre Sanchez | 256 | 16 | 2 |
| AS219304ES | MARFEEL Marfeel Solutions, S.L. | 256 | — | 1 |
| AS205113ES | obs OLYMPIC BROADCASTING SERVICES SL | 256 | — | 1 |
| AS60488ES | VISUALTEC-AS Tecnocratica Centro de Datos, S.L. | 256 | — | 1 |
| AS41072ES | FNMT Fabrica Nacional de Moneda y Timbre | 256 | — | 1 |
| AS215736ES | ajreus Ajuntament de Reus | 256 | — | 1 |
| AS44989ES | AERNNOVA-AS AERNNOVA AEROSPACE SA Unipersonal | 256 | — | 1 |
| AS205457ES | Wisp_Tachira Valor Information Technologies, S.L. | 256 | 65.5K | 2 |
| AS42722ES | GRIFOLS-AS Grifols S.A. | 256 | — | 1 |
| AS29109ES | MEDIOSAVANZADOS-AS MEDIOS AVANZADOS DE CALCULO Y DISENO, S.L. | 256 | — | 1 |
| AS210605ES | ITENCORE IT ENCORE TECNOLOGIA SL | 256 | — | 1 |
| AS12541ES | LYNTIA_BB_AS LYNTIA NETWORKS S.A. | 256 | — | 1 |
| AS51555ES | ASN-PREFERENCE PREFERENCE SL | 256 | — | 1 |
| AS199949ES | SEGON-AS Grupo On Seguridad SL | 256 | — | 1 |
| AS214470ES | DIFFERNET-AS Carmen Rocio Jimenez Pulido | 256 | 32.8K | 2 |
| AS204133ES | Globex GLOBEX TIC SERVICES, S.L. | 256 | — | 1 |
| AS31332ES | INDUSTRIA-DE-TURBO-PROPULSORES-AS Industria de Turbo Propulsores S.A. | 256 | — | 1 |
| AS206041ES | NETWORKHERO Network Hero, S.L. | 256 | — | 1 |
| AS211300ES | INTELMO-AS Angel Moreno trading as INTELMO C.B. | 256 | — | 1 |
| AS42212ES | BUILD2EDIFICA-AS NALANDA GLOBAL S.A. | 256 | — | 1 |
| AS213268ES | QUARTIK QUARTIK SL | 256 | — | 1 |
| AS28935ES | ODEC-ES-AS ODEC, CENTRO DE CALCULO Y APLICACIONES INFORMATICAS, S.A. | 256 | — | 1 |
| AS212957ES | HUCAME-AS Hucame Telecom Networks SLU | 256 | — | 1 |
| AS15608ES | Banco Inversis S.A. | 256 | — | 1 |
| AS31428ES | LOGISTA-ES-AS Compania De Distribucion Integral Logista, SA | 256 | — | 1 |
| AS202097ES | IBERMUTUA IBERMUTUA | 256 | — | 1 |
| AS208027ES | GESTAMP GESTAMP SERVICIOS, S.A. | 256 | — | 1 |
| AS213950ES | bronto Gufo Sistems S.L. | 256 | — | 1 |
| AS204654ES | ASAGROSEGURO AGRUPACION ESPANOLA DE ENTIDADES ASEGURADORAS DE LOS SEGUROS AGRARIOS COMBINADOS SA | 256 | — | 1 |
| AS35167ES | PROTEC Promocion Tecnologica y Comercial S.A. | 256 | — | 1 |
| AS51753ES | TRASMEDITERRANEA Compania TRASMEDITERRANEA, S.A. | 256 | — | 1 |
| AS9052ES | Unidad Editorial SA | 256 | — | 1 |
| AS199474ES | AS_TSK TSK ELECTRONICA Y ELECTRICIDAD S.A. | 256 | 524.3K | 2 |
| AS210189ES | AS_IGUALATORIOMEDICOQUIRURGICO IGUALATORIO MEDICO QUIRURGICO S.A. DE SEGUROS Y REASEGUROS | 256 | — | 1 |
| AS29117ES | ChatHispano Asociacion IRC Hispano | 256 | 1 | 2 |