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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.
1,173 autonomous systems registered to Spain. Click an AS for detail.
| AS15704ES | AS15704 XTRA TELECOM S.A. | 961.8K | 367 |
| AS29119ES | SERVIHOSTING-AS AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL | 710.1K | 420 |
| 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 | 364K | 475 |
| 512 |
| — |
| 2 |
| AS39691ES | GDNET Global Digital Network S.L. | 512 | — | 2 |
| AS208769ES | NICALIAINTERNET Nicalia Internet, S.L.U | 512 | — | 1 |
| AS215298ES | ENTE_PUBLICO_DE_RADIOTELEVISION_DE_LES_ILLES_BALEARS ENTE PUBLICO DE RADIOTELEVISION DE LES ILLES BALEARS | 512 | — | 2 |
| AS215856ES | FABERTELECOM Fabertelecom, SL | 512 | — | 2 |
| AS204621ES | wirelesslogic-es WIRELESS LOGIC S.L. | 512 | — | 2 |
| AS214113ES | Titan TITAN DATA CENTER, S.L | 512 | — | 2 |
| AS214248ES | atmbroadcast ATM Broadcast SL | 512 | — | 2 |
| AS209774ES | JUMBO JUMBO TOURS ESPANA SL | 512 | — | 2 |
| AS208925ES | nolimitnet NO LIMIT NETWORK SA | 512 | 524.3K | 3 |
| AS204774ES | SISTEL SISTEL ALMANZORA S.L. | 512 | — | 2 |
| AS206268ES | guifibages Associacio Usuaris Guifibages | 512 | — | 2 |
| AS62236ES | Fibrix Exsotel S.L. | 512 | — | 2 |
| AS201099ES | HAVAS_MG HAVAS MEDIA GROUP SPAIN SA | 512 | — | 1 |
| AS207030ES | AS1607 AVATEL TELECOM, SA | 512 | — | 2 |
| AS210741ES | ISRcomunicaciones Telnetia S.L. trading as ISR comunicaciones | 512 | — | 2 |
| AS59739ES | ALMIRALL-AS Almirall SA | 512 | — | 2 |
| AS31479ES | ES-IPorium-AS Valor Information Technologies, S.L. | 512 | — | 1 |
| AS202352ES | MIBIT-AS CONECTA 3 TELECOM S.L. | 512 | 65.5K | 3 |
| AS42211ES | MDE-AS Ministerio de Defensa | 512 | — | 1 |
| AS212190ES | PISTACEROASN PISTA CERO, S.L. | 512 | 131.1K | 3 |
| AS207415ES | NPAW Nicepeopleatwork, S.L. | 512 | 1 | 3 |
| AS59772ES | fluidra FLUIDRA SA | 512 | — | 2 |
| AS212458ES | IESE IESE, Universidad de Navarra | 512 | — | 2 |
| AS44280ES | DDGI-AS Diputacio de Girona | 512 | — | 1 |
| AS49538ES | PSOE Partido Socialista Obrero Espanol (PSOE) | 512 | — | 1 |
| AS200867ES | RGNET RGNET CLOUD, S.L. | 512 | — | 1 |
| AS204286ES | cdn4you Invermae Solutions SL | 512 | — | 2 |
| AS16203ES | NCG Banco SA | 512 | — | 2 |
| AS199171ES | GRUPOSMS Systems Maintenance Service EUROPA S.A. | 512 | — | 2 |
| AS215488ES | PARKE PARQUE TECNOLOGICO TEKNOLOGI ELKARTEGIA S.A. | 512 | 65.5K | 3 |
| AS210670ES | CLOUDGAL INFORMATICA Y NETWORKING COMPOSTELA SL | 256 | — | 1 |
| AS199949ES | SEGON-AS Grupo On Seguridad SL | 256 | — | 1 |
| AS29109ES | MEDIOSAVANZADOS-AS MEDIOS AVANZADOS DE CALCULO Y DISENO, S.L. | 256 | — | 1 |
| AS205457ES | IP_BROKER Valor Information Technologies, S.L. | 256 | 65.5K | 2 |
| AS211441ES | Byficom BYFITEL COMUNICACIONES SL | 256 | 524.3K | 2 |
| AS212052ES | ASNETEXPERIENCE AMADO NEBOT FORES | 256 | — | 1 |
| AS39536ES | botic BO ICT Management, S.L. | 256 | — | 1 |
| AS201426ES | HostingSoltia Soltia Consulting SL | 256 | — | 1 |
| AS203051ES | DIPUAVILA DIPUTACION PROVINCIAL DE AVILA | 256 | — | 1 |
| AS199955ES | Adder_Computer_SL Adder Computer, SL | 256 | — | 1 |
| AS212957ES | HUCAME-AS Hucame Telecom Networks SLU | 256 | — | 1 |
| AS202018ES | Servinet Servinet Sistemas y Comunicacion S.L. | 256 | — | 1 |
| AS51555ES | ASN-PREFERENCE PREFERENCE SL | 256 | — | 1 |
| AS212230ES | VIESGO VIESGO INFRAESTRUCTURAS ENERGETICAS S.L. | 256 | — | 1 |
| AS213138ES | alfanetwork Alfa Network SL | 256 | — | 1 |
| AS213600ES | voicecloud VOICE CLOUD SL | 256 | 1 | 2 |