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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 |
| 1K |
| 16 |
| 4 |
| AS202765ES | es-datacentereuskadi DATA CENTER EUSKADI SOCIEDAD LIMITADA | 1K | — | 3 |
| AS211471ES | ASILOVEFIBRA iLoveFibra S.L. | 1K | — | 3 |
| AS206280ES | RedesNet Redes Telecomunicaciones Certificaciones Canarias S.L. | 1K | — | 1 |
| AS208910ES | ASODOWIFI ODOWIFI, S.L.U. | 1K | — | 1 |
| AS200481ES | innubo SERVEIS INNUBO SL | 1K | — | 1 |
| AS8637ES | SPAINWISP SpainWISP, S.L. | 1K | 4 | 8 |
| AS212721ES | AXARWIFI Francisco Javier Gordillo Perez | 1K | — | 4 |
| AS201346ES | todoencloud TODO EN CLOUD SL | 1K | — | 4 |
| AS211798ES | QEMUGENCLOUD Core Nextgen SL | 1K | — | 4 |
| AS210048ES | semat Oficina Semat Data, SL | 1K | — | 1 |
| AS43115ES | PIC Consorci Institut de Fisica Altes Energies | 1K | 1 | 2 |
| AS207987ES | emsystems EM SISTEMAS INFORMATICOS Y TELECOMUNICACIONES DE MALLORCA SL | 1K | — | 4 |
| AS25247ES | IBERCAJA-AS IBERCAJA BANCO SA | 1K | — | 1 |
| AS31676ES | PENTALOG-AS Software Product Creation SL | 1K | — | 2 |
| AS31082ES | AS-Kuali_Digital Valor Information Technologies, S.L. | 1K | — | 4 |
| AS207405ES | ASN-TETRATEL Tetratel Comunicaciones SLU | 1K | — | 4 |
| AS205270ES | fibroptic FIBROPTIC CAT TELECOM SL | 1K | — | 4 |
| AS207975ES | meditel Meditel Network SL | 1K | — | 2 |
| AS202503ES | XEnet DESIS INFORMATICA, SL | 1K | 135.4K | 20 |
| AS200892ES | ISOTROL Isotrol S.A. | 1K | — | 4 |
| AS35461ES | ACCIONA-AS ACCIONA S.A. | 1K | — | 4 |
| AS207906ES | JVCM VERITA NETWORKS SOCIEDAD LIMITADA | 1K | — | 4 |
| AS199589ES | DANTIA Dantia Tecnologia S.L. | 1K | — | 4 |
| AS209287ES | IRSOL INNOVACION RIOJANA DE SOLUCIONES IT S.L. | 1K | — | 1 |
| AS204758ES | Cabisur CABINAS TELEFONICAS DEL SUR, S.L. | 1K | — | 4 |
| AS209662ES | rtve Corporacion de Radio y Television Espanola S.A. | 1K | — | 3 |
| AS209803ES | FIBERCITY FIBER CITY NETWORKS SLU | 1K | — | 1 |
| AS204748ES | AS_INDITEX INDUSTRIA DE DISENO TEXTIL SOCIEDAD ANONIMA | 1K | — | 3 |
| AS201152ES | AREAPROJECT-AS1 Area Project Solutions SL | 1K | — | 1 |
| AS204998ES | somconnexio Som Connexio SCCL | 1K | — | 1 |
| AS210995ES | AS_TIREA TECNOLOGIAS DE LA INFORMACION Y REDES PARA LAS ENTIDADES ASEGURADORAS SA | 1K | — | 3 |
| AS205572ES | fibratown-as Fibratown, S.L. | 1K | 524.3K | 2 |
| AS205375ES | INDALMOVIL Jose Antonio Ruiz Zamore | 1K | — | 1 |
| AS200811ES | TLM Free Technologies Excom S.L. | 1K | — | 1 |
| AS212116ES | VentoRede Vento Rede, S.L. | 1K | — | 4 |
| AS35486ES | CORDOBADATACENTER AXENTIO SL | 1K | — | 4 |
| AS210086ES | NEXIA CONNECTA 1876 SLU | 1K | — | 4 |
| AS56989ES | as-ariadnext Valor Information Technologies, S.L. | 1K | — | 1 |
| AS202565ES | daratel 7P SERVICIOS INTEGRADOS SLU | 1K | — | 1 |
| AS214662ES | AS-SAYTEL-02 Seidor Soluciones Globales SL | 1K | 65.5K | 4 |
| AS215334ES | CORREOMASTER-AS CORREOMASTER SL | 1K | — | 1 |
| AS59908ES | ISLALINK BalaLink S.A. | 1K | 65.5K | 5 |
| AS211811ES | TMDIGITAL TM DIGITAL GRANADA S.L. | 1K | — | 4 |
| AS204854ES | ACMIPNETWORK-AS ACM IPNETWORK LA PALMA, S.L. | 1K | — | 4 |
| AS35153ES | ES-ONDAWIFI-AS Free Technologies Excom S.L. | 1K | — | 4 |
| AS208931ES | redimer Redimer Comunicaciones S. L. | 1K | — | 2 |