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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 | 691.5K | 408 |
| AS12338ES | EUSKALTEL Euskaltel S.A. | 658.4K | 118 |
| AS12334ES | R Cable y Telecable Telecomunicaciones, S.A.U. | 443.4K | 37 |
| AS200845ES | AVATEL-AS AVATEL TELECOM, SA | 363.3K | 474 |
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| AS42229ES | AS-IXPlay-MAD-ES Cesar Maffini Martin | — | — | 0 |
| AS203935ES | sonimar 7P SERVICIOS INTEGRADOS SLU | — | — | 0 |
| AS199435ES | WIMAXONLINE-AS XFERA Moviles S.A. | — | — | 0 |
| AS204364ES | DIGITAL-RESOURCES-MANAGEMENT Digital Resources Management S.L. | — | — | 0 |
| AS199603ES | OCTANIO-2 Octanio Sistemas Informaticos SL | — | — | 0 |
| AS34952ES | EQUINIX-CLOUD-EXCHANGE-BA-ASN EQUINIX (SPAIN) ENTERPRISES SLU | — | — | 0 |
| AS210610ES | CLOUD-CIT-NET Cloud Cit Soft SL | — | — | 0 |
| AS203709ES | schedia XFERA Moviles S.A. | — | — | 0 |
| AS208297ES | PSJCLOUD Invermae Solutions SL | — | — | 0 |
| AS215869ES | NAVALCA DANIEL NAVAL ALCALA | — | 1 | 1 |
| AS56732ES | AXARNET-RESERVED AXARNET COMUNICACIONES, S.L. | — | — | 0 |
| AS44762ES | AS_AXESOR AXESOR CONOCER PARA DECIDIR SA | — | — | 0 |
| AS208767ES | ES-TELEVALENTIN2-AS TELEVALENTIN, S.L | — | — | 0 |
| AS20921ES | AMENA-AS Orange Espagne SA | — | — | 0 |
| AS35404ES | AS-TELEPITU AVATEL TELECOM, SA | — | — | 0 |
| AS210121ES | GUAITA PROPHASE ELECTRONICS, S.L. | — | — | 0 |
| AS203178ES | AXARNET-RESERVED AXARNET COMUNICACIONES, S.L. | — | — | 0 |
| AS201337ES | AVATELTELECOM AVATEL TELECOM, SA | — | — | 0 |
| AS215317ES | ORCA-PET Marcos Vives Del Sol | — | — | 0 |
| AS213399ES | AKIWIFI-TOLEDO Nostravant S.L.L. | — | — | 0 |
| AS206109ES | techco-security Securitas Seguridad Espana S.A. | — | — | 0 |
| AS210904ES | CGL-AS CHRISTIAN GARCIA LOZANO | — | — | 0 |
| AS51984ES | Vera-Megatel Gurbtec Iguana Telecom SL | — | — | 0 |
| AS214089ES | YOUTEL-AS YOUTEL NETWORK S.L. | — | — | 0 |
| AS197649ES | TuServer_y_ServersGame JUAN PORRO FLORES | — | 1 | 1 |
| AS20760ES | EUROCIBER-AS Santander Global Technology and Operations, S.L. | — | — | 0 |
| AS200014ES | AS_QUINTEIVA Quinteiva S.L. | — | — | 0 |
| AS20869ES | CLARANET-SPAIN Claranet S.A.U. | — | — | 0 |
| AS12715ES | JAZZNET Orange Espagne SA | — | — | 0 |
| AS202330ES | ISPGestion ISP Gestion Provider SL | — | — | 0 |
| AS205170ES | fourmirror Four Mirror Advisors, S.L. | — | — | 0 |
| AS58233ES | AS_MASBYTES ASPA CLOUD SL | — | — | 0 |
| AS216072ES | MJMM-AS Manuel Jesus Martin Mena | — | 256 | 1 |
| AS39744ES | AVATELTELECOM AVATEL TELECOM, SA | — | — | 0 |
| AS212008ES | ES-ZONAUTAS-AS Ruben Martinez | — | 6 | 6 |
| AS198885ES | REBELOAK Spotting Brands Technologies S.L | — | — | 0 |
| AS57140ES | bluso XFERA Moviles S.A. | — | — | 0 |
| AS212017ES | CUBILLO Gerardo Cubillo Torralba Empresa Constructora S.L | — | — | 0 |
| AS24654ES | ORANGE-MOVILWEB21-AS Orange Espagne SA | — | — | 0 |
| AS210439ES | Cloud_Intelligence_SL Cloud Intelligence SL | — | — | 0 |
| AS206828ES | connecta CONNECTA-COMUNICACIONS INTEGRALS DE CATALUNYA S.L | — | 524.3K | 1 |
| AS208265ES | CELENET-AS CELENETWORKS SL | — | — | 0 |
| AS212564ES | TDAComunicaciones TDA COMUNICACIONES CONNECTIONS SLU | — | — | 0 |
| AS207815ES | AS1-LSM Luis Sanchez Martin | — | — | 0 |
| AS215203ES | SNEP-AS Aleksei Efimov | — | 3 | 3 |
| AS213964ES | INTERMAXES INTERMAX TECHNOLOGY, S.L. | — | — | 0 |