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How Spain ranks worldwide on dormant space, the transfer market, routing security and address density.
APNIC-measured end-user deployment.
Paper holder: holds 372.5M /48 blocks but only 9.8% of users are IPv6-capable.
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 |
| AS12338ES | EUSKALTEL Euskaltel S.A. | 658.2K | 118 |
| AS29119ES | SERVIHOSTING-AS AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL | 631.6K | 412 |
| AS12334ES | R Cable y Telecable Telecomunicaciones, S.A.U. | 443.4K | 37 |
| AS200845ES | AVATEL-AS AVATEL TELECOM, SA | 355.1K | 463 |
| 2K |
| 65.5K |
| 9 |
| AS202844ES | Airsip_telecomunicaciones_ASN Airsip Telecomunicaciones S.L. | 2K | 524.3K | 3 |
| AS198404ES | ASRENTEL RENTEL WIFI, S.L. | 2K | — | 8 |
| AS203119ES | TIMWE Servicios Tecnologicos TIM SL | 2K | 524.3K | 4 |
| AS48958ES | PRSZ-AS Grupo Baladig SL | 2K | — | 5 |
| AS203641ES | guillenawifi Safety Capital, S.L | 1.8K | — | 4 |
| AS199581ES | DATARUSH Data Rush IT Services, S.L. | 1.8K | 65.5K | 4 |
| AS204817ES | AS1-NETCAN Netcan Technologies, S.L. | 1.8K | 589.8K | 5 |
| AS207747ES | IAAS365 IAAS 365, SL | 1.8K | 66K | 7 |
| AS197240ES | ASP-Technology ASPA Technology S.L.U. | 1.8K | — | 4 |
| AS208313ES | Ibernet IBERNET FIBRA S.L. | 1.8K | — | 4 |
| AS198934ES | ADJENET-AS Adjenet Networks SL | 1.8K | — | 6 |
| AS198432ES | IPCORE-AS Ipcore Datacenters S.L | 1.8K | 65.5K | 8 |
| AS200960ES | PROFESIONALHOSTING Soluciones web on line s.l. | 1.8K | — | 7 |
| AS212918ES | CLICKTEL Clicktel SL | 1.8K | — | 3 |
| AS48048ES | INDRASISTEMAS-AS INDRA SISTEMAS, S.A. | 1.8K | — | 4 |
| AS204062ES | etelecom ETELECOM SEGRIA SL | 1.8K | — | 4 |
| AS206772ES | rjk RJK Multimedia Shop S. L . U. | 1.8K | 524.3K | 5 |
| AS39691ES | GDNET Global Digital Network S.L. | 1.8K | — | 3 |
| AS206954ES | NEXTRET-AS NexTReT S.L. | 1.8K | — | 3 |
| AS202767ES | futurasp Futura Service Provider S.A. | 1.8K | — | 4 |
| AS49178ES | nadunet-ASN Nadunet Telecom S.L | 1.8K | — | 4 |
| AS52122ES | BONANETTO-AS Bona Netto SL | 1.8K | 1 | 8 |
| AS60813ES | BSABADELL Banco de Sabadell SA | 1.8K | — | 7 |
| AS21009ES | APPLUS-SERVICIOS-TECNOLOGICOS-SL APPLus Servicios Tecnologicos, S.L. | 1.8K | — | 4 |
| AS200518ES | EKASA EUSKAL KIROL APOSTUAK SOCIEDAD ANONIMA | 1.8K | — | 4 |
| AS31346ES | DDOL-AS Datadec Online, S.A. | 1.8K | — | 7 |
| AS202384ES | NETFIBER-AS Netfiber Conecta 2020 SLU | 1.8K | — | 7 |
| AS199143ES | INDALECCIUS Indaleccius Broadcasting SL | 1.8K | — | 4 |
| AS197100ES | ESYSINTX Wivacom Interactivo SL | 1.8K | — | 4 |
| AS198198ES | TGS TELEFONICA GLOBAL SOLUTIONS SL | 1.8K | — | 3 |
| AS60551ES | ANT-AS D.P.S. Giro-consulting S.L. | 1.8K | 65.5K | 8 |
| AS211699ES | wicor WICOR COMUNICACIONS SL. | 1.8K | — | 4 |
| AS49600ES | NEARIP NEAR IP, S.L. | 1.5K | — | 6 |
| AS203835ES | sambatel Sambatel Consulting SL | 1.5K | 524.3K | 3 |
| AS211808ES | fibrotel APROOP TELECOM S.L.U | 1.5K | — | 5 |
| AS214440ES | EVOAREDES EVOA REDES, S.L. | 1.5K | — | 3 |
| AS44717ES | LUCENA-AS Videoluc S.A. | 1.5K | — | 3 |
| AS209370ES | telcianx TELCIA COMUNICACIONES S.L. | 1.5K | — | 6 |
| AS210102ES | ALCORES-AS ALCORES TELECOM S.L. | 1.5K | — | 3 |
| AS206089ES | TELECOLANZA-AS TELECOLANZA, S.L. | 1.5K | — | 6 |
| AS204683ES | Seguridade_A1 Sistemas de Seguridade A1 SL | 1.5K | — | 3 |
| AS31262ES | EDICOM EDICOM CAPITAL S.L. | 1.5K | — | 3 |
| AS211974ES | airecom Airecom Internet, S.L. | 1.5K | 524.3K | 3 |
| AS208586ES | ES-NEOTEL-AS Neotel 2000 S.L | 1.5K | — | 2 |
| AS60987ES | FIBRACADIZ FIBERDAN NETWORKS, S.L | 1.5K | 1M | 8 |
| AS205499ES | asmairena Telecable Cartaya S.L. | 1.5K | — | 5 |