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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 |
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| AS43926ES | Anxanet Anxanet Operadors de Xarxes, SL | — | — | 0 |
| AS206488ES | AS1_SELECTASTERISCO CELENETWORKS SL | — | — | 0 |
| AS204269ES | AS-MEOWNET Mateo De la Hoz | — | — | 0 |
| AS61388ES | CORREOS-CLOUD-MAD01 Correos Telecom SA S.M.E. | — | — | 0 |
| AS41994ES | Credito-y-Caucion ATRADIUS CREDITO Y CAUCION SA, DE SEGUROS Y REASEGUROS | — | — | 0 |
| AS210324ES | FUTURESPACE FUTURE SPACE SA | — | — | 0 |
| AS203874ES | DevRex David Pujals Sans | — | 1 | 1 |
| AS208695ES | AS-COMFIBRA_INTERNET Valor Information Technologies, S.L. | — | 65.5K | 1 |
| AS211695ES | CutieLand Echedelle Lopez Romero | — | 1 | 1 |
| AS39639ES | as-ffernandez Valor Information Technologies, S.L. | — | 65.5K | 1 |
| AS203444ES | FORNEX-WAIT Fornex Hosting S.L. | — | — | 0 |
| AS202222ES | Joan-Cirer Joan Cirer Capo | — | 21 | 6 |
| AS219013ES | SFF-AS Santiago Fernandez Fernandez | — | 273 | 3 |
| AS205408ES | lemonvil BB Phone Levante, S.L. | — | — | 0 |
| AS202603ES | wimovil EGONE CONSULTING SL | — | — | 0 |
| AS211959ES | NBYTE Invermae Solutions SL | — | — | 0 |
| AS207702ES | CUENCA Nostravant S.L.L. | — | — | 0 |
| AS48569ES | NCS-AS NIXUS NETWORKS S.L. | — | — | 0 |
| AS206828ES | connecta CONNECTA-COMUNICACIONS INTEGRALS DE CATALUNYA S.L | — | 524.3K | 1 |
| AS197649ES | TuServer_y_ServersGame JUAN PORRO FLORES | — | 1 | 1 |
| AS200595ES | cloudnet Gestioniza Infraestructuras S.L. | — | — | 0 |
| AS204602ES | ISPCABLE ONLYCABLE SL | — | — | 0 |
| AS202609ES | DKV_Seguros DKV Seguros y Reaseguros Sociedad Anonima Espanola, S.A.U | — | — | 0 |
| AS216072ES | MJMM-AS Manuel Jesus Martin Mena | — | 256 | 1 |
| AS214516ES | FUSP Fundacion Universitaria San Pablo-CEU | — | 9 | 9 |
| AS205518ES | aschiclanawifi Robert Michael Span | — | — | 0 |
| AS201732ES | enric-aparisi-verdaguer Enric Aparisi Verdaguer | — | 1 | 1 |
| AS197950ES | UMANG-RAGHUVANSHI Umang Raghuvanshi | — | 1 | 1 |
| AS213031ES | SYNEXA-OOB-AS VVV BUSINESS SOFTWARE GROUP, S.L. | — | 17 | 2 |
| AS200407ES | ASCartaya Telecable Cartaya S.L. | — | — | 0 |
| AS39827ES | as-alameda Valor Information Technologies, S.L. | — | 32.8K | 1 |
| AS208455ES | FIBRA-TDA TDA COMUNICACIONES CONNECTIONS SLU | — | — | 0 |
| AS59926ES | borecom Borecom Networks, S.L. | — | — | 0 |
| AS201957ES | EthernalCloud Yoel Martinez Villalba | — | 18 | 18 |
| AS212900ES | AS212900 NETHERMIR LABS, S.L. | — | 2 | 2 |
| AS60685ES | GWAY_ISP_SL GWAY ISP S.L | — | — | 0 |
| AS212450ES | OVERCLOCKHOST Juan Thielmann | — | 2 | 2 |
| AS202334ES | redhelio Free Technologies Excom S.L. | — | — | 0 |
| AS218927ES | CNIE-AS Fundacion para la Transformacion de La Rioja | — | — | 0 |
| AS201655ES | doblenet DOBLENET Soluciones Tecnologicas S.L. | — | — | 0 |
| AS209826ES | Avascloud Carlos Alberto Horowicz | — | — | 0 |
| AS208888ES | FOURMIRROR Four Mirror Advisors, S.L. | — | — | 0 |
| AS207363ES | Manuel_Antonio_Seijo_Bustamante Manuel Antonio Seijo Bustamante | — | — | 0 |
| AS197606ES | ISMHDEZ-NET Ismael Munoz Hernandez | — | — | 0 |
| AS50977ES | AVATELTELECOM-AS AVATEL TELECOM, SA | — | — | 0 |
| AS209190ES | IDGRUP-AS Claranet S.A.U. | — | — | 0 |