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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 |
| DTI2-AS Desarrollo de la Tecnologia de las Comunicaciones, S.C.A. |
| — |
| — |
| 0 |
| AS49928ES | PRISA-MEDIA-AS Prisa Media SAU | — | — | 0 |
| AS210324ES | FUTURESPACE FUTURE SPACE SA | — | — | 0 |
| AS199841ES | CARTHAGOSAT AVATEL TELECOM, SA | — | — | 0 |
| AS199913ES | SoyTIC Gamma UCaaS Comercializadora, S.L.U. | — | — | 0 |
| AS40996ES | AS-KEYFIBRE AVATEL TELECOM, SA | — | — | 0 |
| AS24772ES | ASIP-AIE-AS FACTORIA PRISA NOTICIAS S.L. Sociedad Unipersonal | — | — | 0 |
| AS200208ES | Canal3 Canal 3 Networks SL | — | — | 0 |
| AS39339ES | TELEYECLA-AS FIBRAWORLD TELECOM S.A.U. | — | — | 0 |
| AS61953ES | TRANSIT CLOUDEUS SL | — | — | 0 |
| AS60675ES | AVATELTELECOM AVATEL TELECOM, SA | — | — | 0 |
| AS202766ES | as-former-codinet LYNTIA NETWORKS S.A. | — | — | 0 |
| AS210148ES | ASORVIS ORVIS 360 SL | — | — | 0 |
| AS208572ES | muba Muba Online SL | — | — | 0 |
| AS212998ES | VICTORROMAN Victor Roman Archidona | — | — | 0 |
| AS215396ES | SJD Orden Hospitalaria de San Juan de Dios, Provincia de San Juan de Dios Espana. | — | — | 0 |
| AS20869ES | CLARANET-SPAIN Claranet S.A.U. | — | — | 0 |
| AS12715ES | JAZZNET Orange Espagne SA | — | — | 0 |
| AS206252ES | EUROPEAN-AS European IO-N Investment Group SL | — | — | 0 |
| AS199923ES | TresP-Technology 3PJP INVESTMENT S.L. | — | — | 0 |
| AS214782ES | Xeic-IT Eports Technology And Telecommunications, Sociedad Limitada. | — | — | 0 |
| AS211475ES | VOZFUSION VozFusion S.L. | — | — | 0 |
| AS199603ES | OCTANIO-2 Octanio Sistemas Informaticos SL | — | — | 0 |
| AS208265ES | CELENET-AS CELENETWORKS SL | — | — | 0 |
| AS59631ES | AVATELTELECOM AVATEL TELECOM, SA | — | — | 0 |
| AS41531ES | AVATELTELECOM-asn AVATEL TELECOM, SA | — | — | 0 |
| AS202583ES | AVATELTELECOM AVATEL TELECOM, SA | — | — | 0 |
| AS214994ES | HectorCuellarVerdet Hector Cuellar Verdet | — | — | 0 |
| AS56986ES | telecablecl Valor Information Technologies, S.L. | — | — | 0 |
| AS44188ES | AVATELTELECOM-AS AVATEL TELECOM, SA | — | — | 0 |
| AS201232ES | Neutratel NEUTRALIA TELECOM SL | — | — | 0 |
| AS203935ES | sonimar 7P SERVICIOS INTEGRADOS SLU | — | — | 0 |
| AS42820ES | ECONECTIA XFERA Moviles S.A. | — | — | 0 |
| AS209672ES | BINARITYES-NET BINARITY SL | — | — | 0 |
| AS24654ES | ORANGE-MOVILWEB21-AS Orange Espagne SA | — | — | 0 |
| AS209143ES | terrachatechnology ITEGAL SERVICIOS TIC S.L. | — | — | 0 |
| AS29109ES | MEDIOSAVANZADOS-AS MEDIOS AVANZADOS DE CALCULO Y DISENO, S.L. | 256 | — | 1 |
| AS219161ES | TEUIT-AS Teuit Sociedad Limitada | 256 | 524.3K | 2 |
| AS210189ES | AS_IGUALATORIOMEDICOQUIRURGICO IGUALATORIO MEDICO QUIRURGICO S.A. DE SEGUROS Y REASEGUROS | 256 | — | 1 |
| AS209195ES | ASCASER CAJA DE SEGUROS REUNIDOS COMPANIA DE SEGUROS Y REASEGUROS SA | 256 | — | 1 |
| AS204134ES | INCServers Jose Socrates Reviejo Bermejo | 256 | — | 1 |
| AS215894ES | BLANCATEL BLANCATEL, S.L. | 256 | — | 1 |
| AS199955ES | Adder_Computer_SL Adder Computer, SL | 256 | — | 1 |
| AS210469ES | CARLOSL Carlos Latorre Sanchez | 256 | 16 | 2 |
| AS202018ES | Servinet Servinet Sistemas y Comunicacion S.L. | 256 | — | 1 |
| AS206930ES | Tuyo_Internet Valor Information Technologies, S.L. | 256 | — | 1 |
| AS199329ES | MEDIOLANUM BANCO MEDIOLANUM SA | 256 | — | 1 |