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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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| AS199134ES | GrupoGimeno-ASN1 Sociedad de Fomento Agricola Castellonense S.A. | — | — | 0 |
| AS211596ES | AKIWIFI-SALAMANCA-OFICINAS Nostravant S.L.L. | — | — | 0 |
| AS203047ES | ONDAFIBRA ONDAFIBRA S.L. | — | — | 0 |
| AS42976ES | TELEFONICA TELEFONICA INNOVACION DIGITAL SL | — | — | 0 |
| AS205446ES | Atlas Atlas Montajes e Ingenieria SL Unipersonal | — | — | 0 |
| AS216171ES | DABBLEAM Dabbleam SL | — | — | 0 |
| AS62376ES | ToroIX Tecnocratica Centro de Datos, S.L. | — | — | 0 |
| AS205223ES | Fone Free Technologies Excom S.L. | — | — | 0 |
| AS44293ES | CABLEWORLD-AS Cable Aireworld S.A.U. | — | — | 0 |
| AS211653ES | AS-Rabits-Storage Cesar Maffini Martin | — | — | 0 |