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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 |
| 1K |
| — |
| 4 |
| AS35461ES | ACCIONA-AS ACCIONA S.A. | 1K | — | 4 |
| AS207987ES | emsystems EM SISTEMAS INFORMATICOS Y TELECOMUNICACIONES DE MALLORCA SL | 1K | — | 4 |
| AS216135ES | pedreratelecom Fibrasur Operadores S.L. | 768 | — | 3 |
| AS6895ES | ESPANIX-RS-AS ASOCIACION ESPANIX | 768 | 1 | 3 |
| AS206046ES | ENAIRE Entidad Publica Empresarial ENAIRE | 768 | — | 3 |
| AS47209ES | SAGEIBERIA Sage Spain S.L. | 768 | — | 2 |
| AS197478ES | ASIngenia Babel Sistemas de Informacion SL | 768 | — | 3 |
| AS202673ES | OHZ Ohz Digital S.L. | 768 | 4 | 7 |
| AS205093ES | islastelecom BANDA ANCHA CANARIAS 3000 S.L. | 768 | — | 3 |
| AS208769ES | NICALIAINTERNET Nicalia Internet, S.L.U | 768 | — | 2 |
| AS209690ES | TELECOMAVENIDA TELECOMUNICACIONES AVENIDA SL | 768 | — | 3 |
| AS198270ES | Seguriber IRONLOCK PROTECCION S.L. | 768 | — | 3 |
| AS210181ES | Open6Hosting Pablo Sarria Perez | 768 | 524.3K | 4 |
| AS25354ES | RED-ES-AS Entidad Publica Empresarial Red.es | 768 | 3 | 6 |
| AS15364ES | ASN-TECAVICAS Tecavicas S.L. | 768 | — | 3 |
| AS202853ES | KOUTEN GRUP KOUTEN COMUNICACIONS SL | 768 | — | 3 |
| AS209365ES | BRUTALSYS Brutalsys, S.L. | 768 | 2 | 5 |
| AS205035ES | LucusHost LucusHost SL | 768 | 524.3K | 4 |
| AS51152ES | VALMESA-AS VALORACIONES MEDITERRANEO, SA | 768 | — | 3 |
| AS199611ES | TELCOMBS Telcom Business Solutions S.L. | 768 | — | 2 |
| AS13186ES | ECE-BCN-DATA Evolutio Cloud Enabler SA | 768 | — | 3 |
| AS216426ES | Daratel Daratel TIC S.L | 768 | — | 3 |
| AS51330ES | CREVINET CREVINET FIBRA S.L. | 768 | 524.3K | 4 |
| AS207412ES | justo_comunicacions Free Technologies Excom S.L. | 768 | — | 2 |
| AS216392ES | NETCLOUDIFY SERGI GARCIA JIMENEZ | 768 | 65.5K | 3 |
| AS20748ES | CAIXABANK Caixabank S.A. | 768 | — | 3 |
| AS215764ES | V4GUARD Ismael Munoz Hernandez | 768 | — | 3 |
| AS211320ES | BONAREAENERGIA Bonarea Energia SLU | 768 | — | 3 |
| AS211798ES | QEMUGENCLOUD Core Nextgen SL | 768 | — | 3 |
| AS200072ES | VOF-AS Gestel Teleservice 2000 S.L. | 768 | — | 2 |
| AS51621ES | infoself Infoself Sistemes SL | 768 | — | 3 |
| AS197927ES | WIREM_ES THEIPBOX, SL | 768 | 131.1K | 5 |
| AS206265ES | Tecno-So Xarxes Esteses de Comunicacions SL | 768 | — | 3 |
| AS209311ES | VERITA_NETWORKS VERITA NETWORKS SOCIEDAD LIMITADA | 768 | 524.3K | 4 |
| AS208257ES | CELENET-AS CELENETWORKS SL | 768 | 1M | 4 |
| AS43388ES | AVANCEM-AS Avancem amb Voste S.L. | 768 | — | 3 |
| AS212988ES | AKIWIFI-BARBANZA Nostravant S.L.L. | 768 | — | 3 |
| AS202025ES | ASN-WIWAI ONLYCABLE SL | 768 | — | 3 |
| AS205386ES | zaragozana Zaragozana de Informatica y Telecomunicaciones, S.L. | 768 | — | 3 |
| AS210612ES | ASTEO_RED_NEUTRA Asteo Red Neutra SL | 768 | 524.3K | 4 |
| AS208616ES | AUREA Ausarta Conecta SL | 768 | — | 3 |
| AS204555ES | dmgcloud DIGITAL MEDIA GROWING CLOUD, SL | 768 | — | 3 |
| AS205191ES | INSTELNET InstelNET Telecomunicaciones, S.R.L. | 768 | — | 3 |
| AS202883ES | comunitelia FATEN FACILITIES ENERGY TELECOM, S.L. | 768 | — | 3 |
| AS208253ES | exo Associacio Expansio de la Xarxa Oberta | 768 | 524.3K | 7 |
| AS215693ES | PalmaHost Bruno Andres Sampedro Trujillo | 512 | — | 2 |