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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 |
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| AS210610ES | CLOUD-CIT-NET Cloud Cit Soft SL | — | — | 0 |
| AS208351ES | TERRA Netfiber Conecta 2020 SLU | — | — | 0 |
| AS201136ES | AGLZ Agiliza Solutions SL | — | — | 0 |
| AS214110ES | fibramedios Fibra Medios Telecom, S.L. | — | — | 0 |
| AS213716ES | Gonzalo-Ferrera-Borras Gonzalo Ferrera Borras | — | — | 0 |
| AS34952ES | EQUINIX-CLOUD-EXCHANGE-BA-ASN EQUINIX (SPAIN) ENTERPRISES SLU | — | — | 0 |
| AS62235ES | AVATELTELECOM AVATEL TELECOM, SA | — | — | 0 |
| AS12367ES | VERIZON-ES VERIZON SPAIN S.L. | — | — | 0 |
| AS214782ES | Xeic-IT Eports Technology And Telecommunications, Sociedad Limitada. | — | — | 0 |
| AS202766ES | as-former-codinet LYNTIA NETWORKS S.A. | — | — | 0 |
| AS197606ES | ISMHDEZ-NET Ismael Munoz Hernandez | — | — | 0 |
| AS199435ES | WIMAXONLINE-AS XFERA Moviles S.A. | — | — | 0 |
| AS213942ES | cityfiber CITY FIBER SL | — | — | 0 |
| AS201337ES | AVATELTELECOM AVATEL TELECOM, SA | — | — | 0 |
| AS12715ES | JAZZNET Orange Espagne SA | — | — | 0 |
| AS206488ES | AS1_SELECTASTERISCO CELENETWORKS SL | — | — | 0 |
| AS214248ES | atmbroadcast ATM Broadcast SL | — | — | 0 |
| AS214089ES | YOUTEL-AS YOUTEL NETWORK S.L. | — | — | 0 |
| AS42820ES | ECONECTIA XFERA Moviles S.A. | — | — | 0 |
| AS214136ES | nacionsolar NACION SOLAR SL | — | — | 0 |
| AS206654ES | AS_EMPRESAPROVINCIALDEINFORMATICA EMPRESA PROVINCIAL DE INFORMATICA S.A. | — | — | 0 |
| AS210439ES | Cloud_Intelligence_SL Cloud Intelligence SL | — | — | 0 |
| AS199482ES | SANGANET-AS Free Technologies Excom S.L. | — | — | 0 |
| AS24654ES | ORANGE-MOVILWEB21-AS Orange Espagne SA | — | — | 0 |
| AS60682ES | ATEINCO Tecnocratica Centro de Datos, S.L. | — | — | 0 |
| AS59631ES | AVATELTELECOM AVATEL TELECOM, SA | — | — | 0 |
| AS12541ES | LYNTIA_BB_AS LYNTIA NETWORKS S.A. | — | — | 0 |
| AS206183ES | Metacortex Metacortex Software SL | — | — | 0 |
| AS214522ES | ARNA13 Arnau Barbero | — | 1 | 1 |
| AS197649ES | TuServer_y_ServersGame JUAN PORRO FLORES | — | 1 | 1 |
| AS202334ES | redhelio Free Technologies Excom S.L. | — | — | 0 |
| AS50977ES | AVATELTELECOM-AS AVATEL TELECOM, SA | — | — | 0 |
| AS60685ES | GWAY_ISP_SL GWAY ISP S.L | — | — | 0 |
| AS208455ES | FIBRA-TDA TDA COMUNICACIONES CONNECTIONS SLU | — | — | 0 |
| AS208036ES | Tecnocratica-extra Tecnocratica Centro de Datos, S.L. | — | — | 0 |
| AS43926ES | Anxanet Anxanet Operadors de Xarxes, SL | — | — | 0 |
| AS198885ES | REBELOAK Spotting Brands Technologies S.L | — | — | 0 |
| AS210257ES | cybernet Cyberneticos Hosting SL | — | — | 0 |
| AS200407ES | ASCartaya Telecable Cartaya S.L. | — | — | 0 |
| AS213153ES | Echelon Invermae Solutions SL | — | — | 0 |
| AS62409ES | OCEANS-AS XFERA Moviles S.A. | — | — | 0 |
| AS208767ES | ES-TELEVALENTIN2-AS TELEVALENTIN, S.L | — | — | 0 |
| AS208528ES | AS_K_Nikitin Kirill Nikitin | — | — | 0 |
| AS202330ES | ISPGestion ISP Gestion Provider SL | — | — | 0 |
| AS208269ES | ELITESA-AS EMPRESA LINEAS TELEFONICAS, S.A. | — | — | 0 |
| AS215317ES | ORCA-PET Marcos Vives Del Sol | — | — | 0 |