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How Spain ranks worldwide on dormant space, the transfer market, routing security and address density.
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 |
| 256 |
| — |
| 1 |
| AS204175ES | AKINOSTRA Nostravant S.L.L. | 256 | — | 1 |
| AS207191ES | T2OAS T2O AD MEDIA SERVICES S.L. | 256 | — | 1 |
| AS199329ES | MEDIOLANUM BANCO MEDIOLANUM SA | 256 | — | 1 |
| AS24580ES | SUPSA SUPSA SUPERMERCATS PUJOL SL | 256 | — | 1 |
| AS213268ES | QUARTIK QUARTIK SL | 256 | — | 1 |
| AS212963ES | SERGIOB Sergio Bejarano Romero | 256 | — | 1 |
| AS210670ES | CLOUDGAL INFORMATICA Y NETWORKING COMPOSTELA SLU | 256 | — | 1 |
| AS210605ES | ITENCORE IT ENCORE TECNOLOGIA SL | 256 | — | 1 |
| AS60076ES | DONDE Dynamic Over Network De Espana SL | 256 | — | 1 |
| AS202018ES | Servinet Servinet Sistemas y Comunicacion S.L. | 256 | — | 1 |
| AS48868ES | SERES-AS SOCIEDAD DE EXPLOTACION DE REDES ELECTRONICAS Y SERVICIOS, SA | 256 | — | 1 |
| AS213950ES | bronto Gufo Sistems S.L. | 256 | — | 1 |
| AS31249ES | IEMPRESA-ES-AS Instituto de Empresa, S.L. | 256 | — | 1 |
| AS199195ES | AS_GUADALNET ANOTHER CALPE CONSULTING CONCEPT S.L. | 256 | 1 | 2 |
| AS216371ES | ipglobal IPGLOBAL S.L. | 256 | 524.3K | 2 |
| AS206826ES | ABERTISAUTOPISTAS ABERTIS AUTOPISTAS ESPANA, S.A | 256 | — | 1 |
| AS197183ES | Occentus Occentus Network SL | 256 | — | 1 |
| AS207008ES | FIBRANOSTRA Fibra Nostra, SL | 256 | — | 1 |
| AS207628ES | ESTYA-AS Eduardo Senin Herrero | 256 | 524.3K | 2 |
| AS210055ES | ELECTROPUERTOSUR FIBERPLUS COMUNICATIONS, SL | 256 | — | 1 |
| AS41072ES | FNMT Fabrica Nacional de Moneda y Timbre | 256 | — | 1 |
| AS35700ES | BBK Bilbao Bizkaia Kutxa | 256 | — | 1 |
| AS200270ES | redekampoz Ezequiel Salomon Campos Lopez | — | 2 | 2 |
| AS212900ES | AS212900 Pere Tuset-Peiro | — | 2 | 2 |
| AS215199ES | docloud Internet CLOUD Services SL | — | 524.3K | 1 |
| AS197237ES | BELGGNET Beltran Gallego Gutierrez | — | 1 | 1 |
| AS211962ES | Ricardo Ricardo Holguin Postigo | — | 256 | 1 |
| AS197649ES | TuServer_y_ServersGame JUAN PORRO FLORES | — | 1 | 1 |
| AS211695ES | CutieLand Echedelle Lopez Romero | — | 1 | 1 |
| AS212008ES | ES-ZONAUTAS-AS Ruben Martinez | — | 6 | 6 |
| AS214522ES | ARNA13 Arnau Barbero | — | 1 | 1 |
| AS200992ES | DWIM-AS Carlos Martin Nieto | — | 1 | 1 |
| AS215203ES | SNEP-AS Aleksei Efimov | — | 3 | 3 |
| AS201732ES | enric-aparisi-verdaguer Enric Aparisi Verdaguer | — | 1 | 1 |
| AS39639ES | as-ffernandez Valor Information Technologies, S.L. | — | 65.5K | 1 |
| AS197950ES | UMANG-RAGHUVANSHI Umang Raghuvanshi | — | 1 | 1 |
| AS208824ES | POLOPRO Pau Cab | — | 19 | 4 |
| AS208695ES | AS-COMFIBRA_INTERNET Valor Information Technologies, S.L. | — | 65.5K | 1 |
| AS202222ES | Joan-Cirer Joan Cirer Capo | — | 21 | 6 |
| AS199874ES | BEPROIT Pedro Antonio Collado Fernandez | — | 1 | 1 |
| AS201957ES | EthernalCloud Yoel Martinez Villalba | — | 1 | 1 |
| AS215869ES | NAVALCA DANIEL NAVAL ALCALA | — | 1 | 1 |
| AS39827ES | as-alameda Valor Information Technologies, S.L. | — | 32.8K | 1 |
| AS216072ES | MJMM-AS Manuel Jesus Martin Mena | — | 256 | 1 |
| AS39831ES | valorit Valor Information Technologies, S.L. | — | 131.1K | 2 |
| AS213031ES | SYNEXA-OOB-AS VVV BUSINESS SOFTWARE GROUP, S.L. | — | 17 | 2 |