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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 |
| XPERIENTIA Experientia Systems, SL |
| 1K |
| — |
| 4 |
| AS204758ES | Cabisur CABINAS TELEFONICAS DEL SUR, S.L. | 1K | — | 4 |
| AS208248ES | SCS-AS Innovative Business Software Iberia S.L. | 1K | — | 4 |
| AS203503ES | ticae TICAE TELECOM S.L. | 1K | 524.3K | 5 |
| AS211798ES | QEMUGENCLOUD Core Nextgen SL | 1K | — | 4 |
| AS207405ES | ASN-TETRATEL Tetratel Comunicaciones SLU | 1K | — | 4 |
| AS31676ES | PENTALOG-AS Software Product Creation SL | 1K | — | 2 |
| AS202305ES | WIRERED JOAN GRAU FERRI trading as Wirered | 1K | — | 1 |
| AS210048ES | semat Oficina Semat Data, SL | 1K | — | 1 |
| AS200481ES | innubo SERVEIS INNUBO SL | 1K | — | 1 |
| AS215334ES | CORREOMASTER-AS CORREOMASTER SL | 1K | — | 1 |
| AS202503ES | XEnet DESIS INFORMATICA, SL | 1K | 135.4K | 20 |
| AS43115ES | PIC Consorci Institut de Fisica Altes Energies | 1K | 1 | 2 |
| AS211141ES | pinkbear PINKBEAR SLU | 1K | — | 4 |
| AS205270ES | fibroptic FIBROPTIC CAT TELECOM SL | 1K | — | 4 |
| AS200336ES | PCSTAR Dimitar Dandulov | 1K | — | 1 |
| AS204811ES | Zinnia ZINNIA TELECOMUNICACIONES SL. | 1K | — | 1 |
| AS206043ES | Irontec IRONTEC INTERNET Y SISTEMAS SOBRE GNU LINUX S.L | 1K | — | 1 |
| AS200387ES | ARLU Tele puerto real SL | 1K | — | 4 |
| AS206280ES | RedesNet Redes Telecomunicaciones Certificaciones Canarias S.L. | 1K | — | 1 |
| AS208931ES | redimer Redimer Comunicaciones S. L. | 1K | — | 2 |
| AS204369ES | redcapac Redcapac SL | 1K | — | 2 |
| AS200956ES | DTES DELOITTE AUDITORES SL | 1K | — | 4 |
| AS214153ES | ORVIS360-AS ORVIS 360 SL | 1K | — | 3 |
| AS49353ES | as-jsans Valor Information Technologies, S.L. | 1K | 524.3K | 2 |
| AS207906ES | JVCM VERITA NETWORKS SOCIEDAD LIMITADA | 1K | — | 4 |
| AS207915ES | symeetric Invermae Solutions SL | 1K | — | 1 |
| AS211471ES | ASILOVEFIBRA iLoveFibra S.L. | 1K | — | 3 |
| AS207717ES | ASICATEL Icatel Network S.L. | 1K | — | 3 |
| AS205375ES | INDALMOVIL Jose Antonio Ruiz Zamore | 1K | — | 1 |
| AS59908ES | ISLALINK BalaLink S.A. | 1K | 65.5K | 5 |
| AS209919ES | AMHINFORMATICA AMH Servicios Informaticos,sc | 1K | — | 1 |
| AS204556ES | SysAdminOK SysAdminOK SL | 1K | 524.3K | 5 |
| AS211811ES | TMDIGITAL TM DIGITAL GRANADA S.L. | 1K | — | 4 |
| AS210995ES | AS_TIREA TECNOLOGIAS DE LA INFORMACION Y REDES PARA LAS ENTIDADES ASEGURADORAS SA | 1K | — | 3 |
| AS208738ES | carcon Carcon Networks S.L. | 1K | — | 4 |
| AS201346ES | todoencloud TODO EN CLOUD SL | 1K | — | 4 |
| AS204748ES | AS_INDITEX INDUSTRIA DE DISENO TEXTIL SOCIEDAD ANONIMA | 1K | — | 3 |
| AS199685ES | FIRST-SERVER-EU-WEST FIRST SERVER, SOCIEDAD LIMITADA | 1K | 2 | 4 |
| AS35461ES | ACCIONA-AS ACCIONA S.A. | 1K | — | 4 |
| AS207975ES | meditel Meditel Network SL | 1K | — | 2 |
| AS206102ES | ASPL Advanced Software Production Line, S.L. | 1K | — | 4 |
| AS12924ES | VIAES-AS Gamma UCaaS Comercializadora, S.L.U. | 1K | 524.3K | 5 |
| AS210321ES | OPKM0 Operadors Quilometre Zero S.L. | 1K | 524.3K | 5 |
| AS210086ES | NEXIA CONNECTA 1876 SLU | 1K | — | 4 |
| AS200892ES | ISOTROL Isotrol S.A. | 1K | — | 4 |
| AS214662ES | AS-SAYTEL-02 Seidor Soluciones Globales SL | 1K | 65.5K | 4 |