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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.
1,173 autonomous systems registered to Spain. Click an AS for detail.
| AS15704ES | AS15704 XTRA TELECOM S.A. | 961.8K | 367 |
| AS29119ES | SERVIHOSTING-AS AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL | 710.1K | 420 |
| 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 | 364K | 475 |
| 17.4K |
| — |
| 45 |
| AS31577ES | PRORED AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL | 17.7K | — | 23 |
| AS13287ES | NIXVAL FALBOX S.L. trading as NIXVAL | 17.7K | 131.1K | 63 |
| AS16039ES | KNET Adamo Telecom Iberia S.A. | 17.7K | — | 39 |
| AS39640ES | as-aveasco Valor Information Technologies, S.L. | 17.9K | — | 4 |
| AS200521ES | SEAP-AGE Ministerio de Transformacion Digital y de la Funcion Publica | 17.9K | 3 | 61 |
| AS48348ES | cloudbuilders Cloud Builders SA | 18.7K | 524.3K | 37 |
| AS200064ES | ib-redAS Red digital de telecomunicaciones de las Islas Baleares S.L | 18.7K | 524.3K | 36 |
| AS12462ES | ECE-MAD-DATA Evolutio Cloud Enabler SA | 19.5K | 65.5K | 12 |
| AS42612ES | DINAHOSTING-AS DinaHosting S.L. | 20K | 65.5K | 13 |
| AS48427ES | VISOVISION-AS VISOVISION S.L. | 20K | — | 43 |
| AS3324ES | AS3324_FUJITSU_SPAIN Fujitsu Technology Solutions, S.A. | 20K | — | 7 |
| AS58327ES | GLOBE-OPERATOR-TELECOM FIBERGREEN TECNOLOGICAS S.L. | 20.2K | 524.3K | 29 |
| AS212087ES | JOTELULU PLENIT TECHNOLOGY, S.L. | 20.2K | — | 61 |
| AS3339ES | FIBRAWORLD-AS FIBRAWORLD TELECOM S.A.U. | 21K | 524.3K | 28 |
| AS207714ES | TECNALIA Fundacion Tecnalia Research and Innovation | 21.2K | 1 | 17 |
| AS16030ES | ALTECOM FIBRACAT Telecom, S.L.U. | 22K | — | 55 |
| AS44051ES | FORNEX-AS Fornex Hosting S.L. | 22K | 65.5K | 88 |
| AS24592ES | NEXICA-AS ECONOCOM CLOUD SL | 22.5K | 512 | 10 |
| AS9165ES | PROSODIEIBERICA-AS PROSODIE IBERICA SL | 22.5K | — | 5 |
| AS56882ES | NET-LEAST-COST-ROUTING-TELECOM-SL AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL | 22.8K | — | 30 |
| AS60171ES | AFRIX-AS AFR-IX TELECOM S.A. | 22.8K | 655.4K | 47 |
| AS201735ES | PROPHASE-AS PROPHASE ELECTRONICS, S.L. | 22.8K | — | 25 |
| AS50563ES | ONLYCABLE-AS Onlycable Comunicaciones S.L. | 24.1K | — | 51 |
| AS15919ES | INTERHOST Servicios de Hosting en Internet S.A. | 24.6K | 65.5K | 7 |
| AS12321ES | ES-IBERCOMTELECOM-BACKBONE XTRA TELECOM S.A. | 24.6K | — | 3 |
| AS49635ES | CLOUDING CLOUDI NEXTGEN SL | 25.1K | — | 97 |
| AS200773ES | FUENTEALBILLA-AS INFORMATICA FUENTEALBILLA S.L. | 25.6K | 65.5K | 43 |
| AS57970ES | OLECOMUNICACION OLE COMUNICACION S.L. | 25.6K | — | 41 |
| AS60203ES | INNOVASUR-AS Innovaciones Tecnlogicas del Sur S.L. | 25.6K | — | 32 |
| AS15699ES | AS_ADAM Adam EcoTech, S.A | 28.9K | 720.9K | 25 |
| AS198760ES | QUATTRE-AS Quattre Internet SL | 31.7K | — | 68 |
| AS35394ES | CABLEAIREWORLD-AS Cable Aireworld S.A.U. | 32.3K | 1.6M | 41 |
| AS42947ES | SKYNETLINK-AS Telfy Telecom S.L. | 32.3K | 65.6K | 89 |
| AS39551ES | GENCAT-AS Centre de Telecomunicacions i Tecnologies de la Informacio de la Generalitat de Catalunya | 33K | — | 76 |
| AS50926ES | AXARNET-AS AXARNET COMUNICACIONES, S.L. | 34.3K | 65.6K | 40 |
| AS57910ES | SCIP-AS Soluciones Corporativas IP, SL | 36.9K | 327.7K | 119 |
| AS201746ES | OLIVENET-AS Olivenet Network S.L. | 37.6K | — | 78 |
| AS21193ES | XARXA-AS Centre de Telecomunicacions i Tecnologies de la Informacio de la Generalitat de Catalunya | 41.2K | — | 23 |
| AS34471ES | EXCOM-AS Free Technologies Excom S.L. | 41.2K | 3.3M | 99 |
| AS201942ES | SOLTIA Soltia Consulting SL | 42.8K | 65.5K | 66 |
| AS41368ES | TVALMANSA-ASN Spotting Brands Technologies S.L. | 43.5K | — | 77 |
| AS39155ES | JETNET JETNET WIMAX S.A | 48.1K | — | 80 |
| AS15488ES | UPV-EHU Universidad del Pais Vasco - Euskal Herriko Unibertsitatea | 65.5K | — | 1 |
| AS198878ES | UNAV Universidad de Navarra | 65.5K | — | 1 |
| AS39069ES | CARM Comunidad Autonoma de la Region de Murcia | 65.5K | — | 1 |
| AS44593ES | REDCAYLE Fundacion Centro de Supercomputacion de Castilla y Leon | 66.6K | 65.5K | 3 |