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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 |
| — |
| 1 |
| AS214986ES | ASNERI1 ENERI CLOUD SISTEMAS, SL | 256 | — | 1 |
| AS43419ES | digitel Valor Information Technologies, S.L. | 256 | 65.5K | 2 |
| AS216371ES | ipglobal IPGLOBAL S.L. | 256 | 524.3K | 2 |
| AS214080ES | TRANSPARENT-EDGE Transparent Edge Services S.L. | 256 | — | 1 |
| AS49638ES | CATNIX Consorci de Serveis Universitaris de Catalunya | 256 | 1 | 2 |
| AS199195ES | AS_GUADALNET ANOTHER CALPE CONSULTING CONCEPT S.L. | 256 | 1 | 2 |
| AS210605ES | ITENCORE IT ENCORE TECNOLOGIA SL | 256 | — | 1 |
| AS202349ES | Fibrabox Fibercli Proyectos e Innovacion S.L. | 256 | — | 1 |
| AS203499ES | Wi-Net-SOLIS-AS Free Technologies Excom S.L. | 256 | — | 1 |
| AS39536ES | botic BO ICT Management, S.L. | 256 | — | 1 |
| AS48868ES | SERES-AS SOCIEDAD DE EXPLOTACION DE REDES ELECTRONICAS Y SERVICIOS, SA | 256 | — | 1 |
| AS208823ES | SILME Servei de Informatica Local de Menorca | 256 | — | 1 |
| AS205796ES | BRUTALSYS Brutalsys, S.L. | 256 | — | 1 |
| AS204654ES | ASAGROSEGURO AGRUPACION ESPANOLA DE ENTIDADES ASEGURADORAS DE LOS SEGUROS AGRARIOS COMBINADOS SA | 256 | — | 1 |
| AS202915ES | CUSTOS-AS CUSTOS messium SLNE | 256 | 1 | 2 |
| AS207191ES | T2OAS T2O AD MEDIA SERVICES S.L. | 256 | — | 1 |
| AS199772ES | Fontventa FONTVENTA SL | 256 | — | 1 |
| AS211262ES | andamur GP Limite Andamur SL | 256 | 2 | 3 |
| AS197183ES | Occentus Occentus Network SL | 256 | — | 1 |
| AS202210ES | Renta4_AS RENTA 4 BANCO S.A. | 256 | — | 1 |
| AS216003ES | TVTRUJILLO TELEVISION TRUJILLO S.L. | 256 | — | 1 |
| AS31332ES | INDUSTRIA-DE-TURBO-PROPULSORES-AS Industria de Turbo Propulsores S.A. | 256 | — | 1 |
| AS207008ES | FIBRANOSTRA Fibra Nostra, SL | 256 | — | 1 |
| AS212230ES | VIESGO VIESGO INFRAESTRUCTURAS ENERGETICAS S.L. | 256 | — | 1 |
| AS209259ES | ASAENOR Corporacion Confidere SA | 256 | — | 1 |
| AS197483ES | ADSYSTEMS-AS SYSAD IT SERVICES SL | 256 | 16 | 2 |
| AS214855ES | ROBOTSTXT Robotstxt S.L | 256 | — | 1 |
| AS199474ES | AS_TSK TSK ELECTRONICA Y ELECTRICIDAD S.A. | 256 | 524.3K | 2 |
| AS215656ES | servaticabcn Servatica Technologies, S.L. | 256 | 524.3K | 2 |
| AS41287ES | IPEOPLE Adjenet Networks SL | 256 | — | 1 |
| AS206041ES | NETWORKHERO Network Hero, S.L. | 256 | — | 1 |
| AS29269ES | CLOUDGLOBAL-AS Cloud Global S.L. | 256 | 1.1M | 11 |
| AS214470ES | DIFFERNET-AS Carmen Rocio Jimenez Pulido | 256 | 32.8K | 2 |
| AS212377ES | ASGUARDIACIVIL Direccion General de la Guardia Civil | 256 | — | 1 |
| AS202018ES | Servinet Servinet Sistemas y Comunicacion S.L. | 256 | — | 1 |
| AS60076ES | DONDE Dynamic Over Network De Espana SL | 256 | — | 1 |
| AS43520ES | MEYTEL-AS Meytel Publicidad S.L. | 256 | — | 1 |
| AS199149ES | SOLINTEX-INSULAR Solintex Insular SLU | 256 | — | 1 |
| AS44989ES | AERNNOVA-AS AERNNOVA AEROSPACE SA Unipersonal | 256 | — | 1 |
| AS204695ES | asservan MARIA JOSEFA SILVERO PARRA | 256 | — | 1 |
| AS212059ES | JWESP-AS TESTIGOS CRISTIANOS DE JEHOVA | 256 | 65.5K | 2 |
| AS208726ES | ASFIATC FIATC MUTUA DE SEGUROS Y REASEGUROS | 256 | — | 1 |
| AS215736ES | ajreus Ajuntament de Reus | 256 | — | 1 |
| AS48341ES | PPI-AS Proveedores de Presencia en Internet S.L. | 256 | — | 1 |
| AS213600ES | voicecloud VOICE CLOUD SL | 256 | 1 | 2 |
| AS216034ES | netkia_as NETKIA SOLUCIONES S.L. | 256 | — | 1 |