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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 | 688.4K | 400 |
| 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 | 363.3K | 472 |
| 512 |
| — |
| 2 |
| AS213825ES | ES-NEORIS NEORIS SPAIN SLU | 512 | — | 2 |
| AS16203ES | NCG Banco SA | 512 | — | 2 |
| AS208769ES | NICALIAINTERNET Nicalia Internet, S.L.U | 512 | — | 1 |
| AS212190ES | PISTACEROASN PISTA CERO, S.L. | 512 | 131.1K | 3 |
| AS64397ES | euromadi-asn EUROMADI IBERICA SA | 512 | — | 2 |
| AS59772ES | fluidra FLUIDRA SA | 512 | — | 2 |
| AS202531ES | gastecom GASTECOM, SL | 512 | — | 2 |
| AS49008ES | ELSTIR-AS Elstir S.L. | 512 | — | 1 |
| AS208635ES | AS_DIPUTACION_ALICANTE Diputacion Provincial Alicante | 512 | — | 2 |
| AS213742ES | gatewayglbl Gateway Global Telecom SLU | 512 | — | 2 |
| AS59739ES | ALMIRALL-AS Almirall SA | 512 | — | 2 |
| AS215856ES | FABERTELECOM Fabertelecom, SL | 512 | — | 2 |
| AS212458ES | IESE IESE, Universidad de Navarra | 512 | — | 2 |
| AS50335ES | PANDA-SECURITY-AS PANDA SECURITY S.L. | 512 | — | 2 |
| AS31479ES | ES-IPorium-AS Valor Information Technologies, S.L. | 512 | — | 1 |
| AS16299ES | XFERA XFERA Moviles S.A. | 512 | — | 2 |
| AS207030ES | AS1607 AVATEL TELECOM, SA | 512 | — | 2 |
| AS204563ES | TRT-MAD NexTReT S.L. | 512 | — | 2 |
| AS204774ES | SISTEL SISTEL ALMANZORA S.L. | 512 | — | 2 |
| AS209521ES | cadenaeneregia Cadena Energia Radio S.L. | 512 | — | 1 |
| AS215488ES | PARKE PARQUE TECNOLOGICO TEKNOLOGI ELKARTEGIA S.A. | 512 | 65.5K | 3 |
| AS214103ES | dmg-usa DIGITAL MEDIA GROWING CLOUD, SL | 512 | — | 2 |
| AS200937ES | as-novatio NOVATIO COMUNICACIONES AVANZADAS, S.L. | 512 | — | 2 |
| AS207415ES | NPAW Nicepeopleatwork, S.L. | 512 | 1 | 3 |
| AS212963ES | SERGIOB Sergio Bejarano Romero | 256 | — | 1 |
| AS204629ES | Qemugen_Cloud Valor Information Technologies, S.L. | 256 | 65.5K | 2 |
| AS41072ES | FNMT Fabrica Nacional de Moneda y Timbre | 256 | — | 1 |
| AS201619ES | wifitoons Wifitoons S.L. | 256 | — | 1 |
| AS204695ES | asservan MARIA JOSEFA SILVERO PARRA | 256 | — | 1 |
| AS60076ES | DONDE Dynamic Over Network De Espana SL | 256 | — | 1 |
| AS197183ES | Occentus Occentus Network SL | 256 | — | 1 |
| AS51555ES | ASN-PREFERENCE PREFERENCE SL | 256 | — | 1 |
| AS205796ES | BRUTALSYS Brutalsys, S.L. | 256 | — | 1 |
| AS208824ES | POLOPRO Pau Cab | 256 | 18 | 4 |
| AS208726ES | ASFIATC FIATC MUTUA DE SEGUROS Y REASEGUROS | 256 | — | 1 |
| AS203051ES | DIPUAVILA DIPUTACION PROVINCIAL DE AVILA | 256 | — | 1 |
| AS209259ES | ASAENOR Corporacion Confidere SA | 256 | — | 1 |
| AS212957ES | HUCAME-AS Hucame Telecom Networks SLU | 256 | — | 1 |
| AS210670ES | CLOUDGAL INFORMATICA Y NETWORKING COMPOSTELA SL | 256 | — | 1 |
| AS201426ES | HostingSoltia Soltia Consulting SL | 256 | — | 1 |
| AS207008ES | FIBRANOSTRA Fibra Nostra, SL | 256 | — | 1 |
| AS12541ES | LYNTIA_BB_AS LYNTIA NETWORKS S.A. | 256 | — | 1 |
| AS212052ES | ASNETEXPERIENCE AMADO NEBOT FORES | 256 | — | 1 |
| AS39536ES | botic BO ICT Management, S.L. | 256 | — | 1 |
| AS219304ES | MARFEEL Marfeel Solutions, S.L. | 256 | — | 1 |
| AS42212ES | BUILD2EDIFICA-AS NALANDA GLOBAL S.A. | 256 | — | 1 |