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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 |
| 9.2K |
| — |
| 2 |
| AS16168ES | GENETSIS GENETSIS PARTNERS SL | 9.5K | — | 3 |
| AS50429ES | ATOSSPAIN-AS ATOS Spain SA | 9.5K | — | 6 |
| AS48624ES | TOTCABLE-AS Free Technologies Excom S.L. | 9.5K | — | 3 |
| AS200810ES | Conecta3 CONECTA 3 TELECOM S.L. | 9.7K | 65.5K | 23 |
| AS43160ES | ES-TEMPLUS-SPAIN TEMPLUS SPAIN SL | 9.7K | 65.5K | 24 |
| AS43885ES | imatel INSTAL MATEL SL | 10K | 524.3K | 19 |
| AS16383ES | LACAIXA-AS IT Now S.A. | 10.2K | — | 22 |
| AS60458ES | ASN-XTUDIONET XNET CORE SL | 10.2K | — | 24 |
| AS206451ES | GPONLINEA GPON Linea S.L. | 10.2K | 65.5K | 16 |
| AS56571ES | HTELECOM HISPANICA DE TELECOMUNICACIONES Y SERVICIOS INTEGRALES S.L. | 10.5K | — | 23 |
| AS211261ES | FIBRANET Fibranet Tecnologia y Sistemas SL | 10.5K | — | 41 |
| AS16003ES | FORNEX-NL-AS Fornex Hosting S.L. | 10.8K | 2 | 41 |
| AS201446ES | PROFESIONALHOSTING Soluciones web on line s.l. | 11K | 0.1 | 41 |
| AS199478ES | RADIOCABLE-AS RADIOCABLE INGENIEROS S.L. | 11.3K | — | 44 |
| AS21057ES | OVERON-SPAIN-AS Servicios Audiovisuales Overon S.L. | 11.3K | — | 23 |
| AS199952ES | TVT-AS AVATEL TELECOM, SA | 11.3K | 524.3K | 16 |
| AS213005ES | PROXYSEO Invermae Solutions SL | 11.3K | — | 13 |
| AS206276ES | CITELIA Citelia s.a. | 11.5K | — | 12 |
| AS206837ES | airwifi Air Wifi S.L. | 11.5K | — | 28 |
| AS50564ES | ELECTRONICAMARTINEZ-AS CARTAGO TELECOM S. L. | 11.8K | — | 36 |
| AS199496ES | e-ports-EBRETIC-AS E-PORTS AMPLE DE BANDA I INTERNET S.L. | 11.8K | 2.7M | 22 |
| AS62064ES | CLOSENESS Closeness S.L. | 12K | — | 19 |
| AS51678ES | IBERMATICA AYESA IBERMATICA, SAU | 12K | 524.3K | 27 |
| AS12521ES | NOVA_INTERNET_AS12521 Nova Internet S.L. | 12.3K | — | 23 |
| AS202636ES | echelon Invermae Solutions SL | 12.3K | — | 26 |
| AS49493ES | GIGAS-TELCO GIGAS HOSTING S.A. | 12.3K | — | 3 |
| AS29680ES | VOZTELECOM Gamma Operadora de Comunicaciones S.A. | 12.5K | 65.5K | 20 |
| AS8311ES | Redestel Redestel Networks S.L. | 12.8K | — | 36 |
| AS60609ES | APFUTURA-ASN APFUTURA TELECOM SL | 13.1K | — | 42 |
| AS15450ES | ALHAMBRA Alhambra Systems SA | 13.3K | 65.5K | 33 |
| AS57286ES | ASGIGAS GIGAS HOSTING S.A. | 13.8K | — | 21 |
| AS48846ES | INETUM-ES-AS Inetum Espana, S.A. | 13.8K | 524.3K | 31 |
| AS208909ES | AS-VERA Gurbtec Iguana Telecom SL | 14.1K | 1.2M | 44 |
| AS198144ES | RONDA COMUNICACIONES RONDA, S.L. | 14.1K | — | 28 |
| AS202513ES | FastToledo Gestioniza Infraestructuras S.L. | 14.1K | 524.3K | 27 |
| AS34285ES | JJAA-AS Sociedad Andaluza para el Desarrollo de las Telecomunicaciones S.A. Medio Propio | 14.3K | — | 23 |
| AS15954ES | Tecnocratica Tecnocratica Centro de Datos, S.L. | 14.3K | 196.6K | 17 |
| AS209535ES | ITEGAL ITEGAL SERVICIOS TIC S.L. | 14.3K | — | 36 |
| AS200738ES | INTERFIBRA-AS FIBRAWORLD TELECOM S.A.U. | 15.1K | 13 | 28 |
| AS197991ES | HISPASAT Hispasat S.A | 15.4K | 20.5K | 16 |
| AS30892ES | DTGBS_Iberia DEUTSCHE TELEKOM GLOBAL BUSINESS SOLUTIONS IBERIA SL | 15.4K | 1M | 8 |
| AS39020ES | COMVIVE-AS Comvive Servidores S.L. | 16.1K | 65.5K | 66 |
| AS205624ES | telecoandaluzas Telecomunicaciones Publicas Andaluzas S.L. | 16.1K | 524.3K | 37 |
| AS39738ES | TCLM-AS Telecom Castilla La Mancha SA | 16.4K | — | 2 |
| AS49576ES | REE-AS RED ELECTRICA DE ESPANA S.A.U. | 16.4K | — | 21 |
| AS42666ES | EMBOU Embou Nuevas Tecnologias SL | 16.4K | — | 14 |