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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.
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 |
| DIGI-ES DIGI SPAIN TELECOM S.A |
| 354.8K |
| 524.3K |
| 14 |
| AS200845ES | AVATEL-AS AVATEL TELECOM, SA | 355.1K | 262.1K | 463 |
| AS12334ES | R Cable y Telecable Telecomunicaciones, S.A.U. | 443.4K | 2K | 37 |
| AS29119ES | SERVIHOSTING-AS AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL | 631.6K | 2.7M | 412 |
| AS12338ES | EUSKALTEL Euskaltel S.A. | 658.2K | 527.4K | 118 |
| AS15704ES | AS15704 XTRA TELECOM S.A. | 960.8K | 688.1K | 368 |
| AS766ES | RedIRIS Entidad Publica Empresarial Red.es | 1.4M | 65.5K | 33 |
| AS6739ES | ONO-AS VODAFONE ONO, S.A. | 2M | 4.2M | 69 |
| AS12430ES | VODAFONE_ES VODAFONE ESPANA S.A.U. | 4.7M | 196.6K | 49 |
| AS3352ES | Telefonica_de_EspaNa TELEFONICA DE ESPANA S.A.U. | 10.6M | 34.9M | 226 |
| AS12479ES | UNI2-AS Orange Espagne SA | 14.6M | 2.8M | 8,702 |