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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 |
| 5.1K |
| — |
| 6 |
| AS201704ES | ESVST-AS VALL DE SOLLER TELECOMUNICACIONS SLU | 5.1K | 65.5K | 5 |
| AS49650ES | EVEREX Everex Comunicaciones, S.A. | 5.1K | — | 7 |
| AS60494ES | Unelink AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL | 5.1K | — | 20 |
| AS207050ES | AS_CABLEWORLDELDA FIBRAWORLD TELECOM S.A.U. | 5.1K | — | 5 |
| AS197518ES | RACKMARKT Rackmarkt SL | 5.1K | 65.5K | 4 |
| AS205694ES | TELECOMUNICACION BREAK FREE TELECOM SL | 5.1K | — | 13 |
| AS204581ES | movitel MOVIMIENTO TELEVISIVO S.A. | 5.1K | — | 14 |
| AS41541ES | SWHO-AS sw hosting & communications technologies SL | 5.1K | — | 20 |
| AS206487ES | netvoz NEXVOLMAR S.L. | 5.1K | 65.5K | 18 |
| AS29337ES | DRAGONET-AS Dragonet Comunicaciones SL | 5.1K | — | 20 |
| AS201748ES | INFOTELECOM INFOTELECOM NETWORKS SL | 4.9K | — | 17 |
| AS202913ES | cloudwifi CLOUDWIFI, SL | 4.9K | 524.3K | 11 |
| AS42130ES | fibravalencia RUIZ & COSTA INVERSIONES SL | 4.9K | 65.5K | 21 |
| AS214286ES | IBERICADEREDES-AS OPERADORA IBERICA DE REDES Y SERVICIOS DE TELECOMUNICACIONES S.L | 4.9K | 16.4K | 19 |
| AS206481ES | anmaguzcer-as Anmaguzcer Telecomunicaciones S.L.U | 4.6K | — | 7 |
| AS202207ES | EAM ASPA CLOUD SL | 4.6K | 65.5K | 9 |
| AS202005ES | ASBonarea Corporacion Alimentaria Guissona, S.A | 4.6K | — | 12 |
| AS206124ES | MAZARRON5G TELE SATELITE DE MAZARRON SL | 4.6K | — | 17 |
| AS34696ES | AS-MISMELINK MISMELINK NETWORKS, SL | 4.6K | — | 9 |
| AS39144ES | ARAGON-AS Redes Digitales de Telecomunicacion en Internet SL | 4.6K | — | 2 |
| AS206866ES | Gartel GARTEL, TELEFONIA Y COMUNICACION, S.L. | 4.6K | 65.5K | 10 |
| AS198193ES | ASN-TCABLE Television por Cable Santa Pola SL | 4.6K | — | 3 |
| AS43655ES | SENERMOB SENER SERVICIOS CORPORATIVOS, S.L. | 4.6K | 65.5K | 9 |
| AS212097ES | VIM VIM TELECOMUNICACIONES SL | 4.6K | 589.8K | 20 |
| AS25508ES | ARQUIRED-AS ARQUIA BANK SA. | 4.4K | — | 2 |
| AS43697ES | Govern-de-les-Illes-Balears Govern de les Illes Balears | 4.4K | — | 4 |
| AS201500ES | AS_CASARICHE Fibrasur Operadores S.L. | 4.4K | — | 14 |
| AS206195ES | beconet-as BECONET FIBRA S.L. | 4.4K | — | 11 |
| AS15711ES | IBERDROLA Iberdrola S.A. | 4.4K | — | 3 |
| AS198454ES | SISTEC-AS SISTEC TELECOM S.L. | 4.4K | 65.5K | 7 |
| AS198871ES | DIPCAS-AS Diputacion Provincial de Castellon | 4.4K | — | 9 |
| AS56924ES | SANTANDER-TELEPORT SANTANDER TELEPORT S.L. | 4.4K | — | 2 |
| AS42386ES | ASEPRESA EPRESA ENERGIA SA | 4.1K | — | 4 |
| AS205823ES | AS_Iwitelecom Iwi Telecom S.L | 4.1K | — | 11 |
| AS202054ES | S4N-AS GRUPO SYS4NET, S.L. | 4.1K | — | 10 |
| AS31653ES | SERVATICA-AS Servatica Technologies, S.L. | 4.1K | — | 16 |
| AS49173ES | ASN-TELECABLE Telecable Almonte, S.L. | 4.1K | — | 4 |
| AS204189ES | VideoLuc VideoLuc S.A | 4.1K | 524.3K | 4 |
| AS35454ES | ASITUR-AS Asitur Asistencia, S.A. | 4.1K | — | 9 |
| AS62104ES | CSISP Computer Service Internet Service Provider S.L. | 4.1K | 65.5K | 11 |
| AS203183ES | FOBOSTELECOM ARNOLD CALLE TELECOM, S.L. | 4.1K | — | 6 |
| AS209906ES | telegilena Fibrasur Operadores S.L. | 4.1K | — | 10 |
| AS200165ES | AsacAS01 Asac Comunicaciones S.L. | 4.1K | 2 | 18 |
| AS30937ES | Walhalla__AS30937 Walhalla Data Center Services SL | 4.1K | 4.1K | 10 |
| AS202814ES | EVC ELECTRICA FUSION DE VILLANUEVA DE CORDOBA S.L. | 4.1K | — | 10 |
| AS25487ES | DIGITALVALUE-AS Digital Value SL | 4.1K | — | 1 |