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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 |
| 768 |
| — |
| 3 |
| AS216426ES | Daratel Daratel TIC S.L | 768 | — | 3 |
| AS197927ES | WIREM_ES THEIPBOX, SL | 768 | 131.1K | 5 |
| AS202853ES | KOUTEN GRUP KOUTEN COMUNICACIONS SL | 768 | — | 3 |
| AS206208ES | PUSIC-JURAJ-AS Pusic Jurai | 768 | 1 | 4 |
| AS215018ES | CORTEX CORTEX SP COMPUTER, S.L. | 768 | — | 2 |
| AS204555ES | dmgcloud DIGITAL MEDIA GROWING CLOUD, SL | 768 | — | 3 |
| AS205035ES | LucusHost LucusHost SL | 768 | 524.3K | 4 |
| AS204811ES | Zinnia ZINNIA TELECOMUNICACIONES SL. | 1K | — | 1 |
| AS199589ES | DANTIA Dantia Tecnologia S.L. | 1K | — | 4 |
| AS198853ES | i2basque Fundacion ikerbasque | 1K | 65.5K | 2 |
| AS57236ES | ES-ITEBATV-AS Juan Antonio Guerrero Gonzalez | 1K | — | 1 |
| AS211798ES | QEMUGENCLOUD Core Nextgen SL | 1K | — | 4 |
| AS207495ES | saforwifi Safor Wifi, SL | 1K | — | 4 |
| AS59908ES | ISLALINK BalaLink S.A. | 1K | 65.5K | 5 |
| AS203503ES | ticae TICAE TELECOM S.L. | 1K | 524.3K | 5 |
| AS214662ES | AS-SAYTEL-02 Seidor Soluciones Globales SL | 1K | 65.5K | 4 |
| AS208931ES | redimer Redimer Comunicaciones S. L. | 1K | — | 2 |
| AS215334ES | CORREOMASTER-AS CORREOMASTER SL | 1K | — | 1 |
| AS41705ES | grupobaladig Grupo Baladig SL | 1K | — | 4 |
| AS35486ES | CORDOBADATACENTER AXENTIO SL | 1K | — | 4 |
| AS200811ES | TLM Free Technologies Excom S.L. | 1K | — | 1 |
| AS200892ES | ISOTROL Isotrol S.A. | 1K | — | 4 |
| AS202503ES | XEnet DESIS INFORMATICA, SL | 1K | 135.4K | 20 |
| AS61181ES | METRO-DE-MADRID-AS METRO DE MADRID, S.A. | 1K | — | 1 |
| AS204773ES | DMNTR Felipe Canizares Navarro trading as DMNTR NETWORK SOLUTIONS | 1K | 458.8K | 7 |
| AS211402ES | GIROWIMAX Girowimax Wireless Solutions, S.L. | 1K | — | 4 |
| AS34760ES | N2000-AS Internet Applications and Resources, S.L. | 1K | — | 1 |
| AS212116ES | VentoRede Vento Rede, S.L. | 1K | — | 4 |
| AS205270ES | fibroptic FIBROPTIC CAT TELECOM SL | 1K | — | 4 |
| AS206101ES | EPIC_TELECOM EPIC SOLUTIONS, S.L. | 1K | — | 4 |
| AS211141ES | pinkbear PINKBEAR SLU | 1K | — | 4 |
| AS207906ES | JVCM VERITA NETWORKS SOCIEDAD LIMITADA | 1K | — | 4 |
| AS200336ES | PCSTAR Dimitar Dandulov | 1K | — | 1 |
| AS210995ES | AS_TIREA TECNOLOGIAS DE LA INFORMACION Y REDES PARA LAS ENTIDADES ASEGURADORAS SA | 1K | — | 3 |
| AS200421ES | FIRMAMED Hermandad Farmaceutica del Mediterraneo S.C.L. | 1K | — | 2 |
| AS25247ES | IBERCAJA-AS IBERCAJA BANCO SA | 1K | — | 1 |
| AS207122ES | PSOE-CEF_AS Partido Socialista Obrero Espanol (PSOE) | 1K | — | 4 |
| AS207405ES | ASN-TETRATEL Tetratel Comunicaciones SLU | 1K | — | 4 |
| AS8318ES | CMX-AS CEMEX ESPANA S.A. | 1K | — | 4 |
| AS199685ES | FIRST-SERVER-EU-WEST FIRST SERVER, SOCIEDAD LIMITADA | 1K | 2 | 4 |
| AS209803ES | FIBERCITY FIBER CITY NETWORKS SLU | 1K | — | 1 |
| AS29612ES | PRISANET-AS Promotora de Informaciones SA | 1K | — | 3 |
| AS205596ES | mariadolores Maria Dolores Sanabria Briones | 1K | — | 2 |
| AS202305ES | WIRERED JOAN GRAU FERRI trading as Wirered | 1K | — | 1 |
| AS214043ES | AS-CLOUDFIRA Christian Barba trading as Cloudfira | 1K | 16 | 4 |
| AS43115ES | PIC Consorci Institut de Fisica Altes Energies | 1K | 1 | 2 |