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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 |
| 512 |
| — |
| 1 |
| AS212458ES | IESE IESE, Universidad de Navarra | 512 | — | 2 |
| AS29397ES | HP-WEBVAULT ENTERPRISE SOLUTIONS OUTSOURCING ESPANA SL | 512 | — | 1 |
| AS204513ES | SERCOM SERCOM INFORMATICA, S.L | 512 | — | 2 |
| AS213742ES | gatewayglbl Gateway Global Telecom SLU | 512 | — | 2 |
| AS206268ES | guifibages Associacio Usuaris Guifibages | 512 | — | 2 |
| AS51105ES | STACKSCALE Stackscale S.L. | 512 | — | 2 |
| AS214248ES | atmbroadcast ATM Broadcast SL | 512 | — | 2 |
| AS202352ES | MIBIT-AS CONECTA 3 TELECOM S.L. | 512 | 65.5K | 3 |
| AS31479ES | ES-IPorium-AS Valor Information Technologies, S.L. | 512 | — | 1 |
| AS215856ES | FABERTELECOM Fabertelecom, SL | 512 | — | 2 |
| AS207040ES | ASN-OBWAN OBWAN NETWORK AND SERVICES S.L. | 512 | — | 2 |
| AS215693ES | PalmaHost Bruno Andres Sampedro Trujillo | 512 | — | 2 |
| AS34114ES | ZONA-FRANCA-CADIZ-AS Consorcio de la Zona Franca de Cadiz | 512 | — | 1 |
| AS210692ES | SOASTEL Soluciones y Asesoramiento en Telecomunicaciones S.L. | 512 | — | 2 |
| AS214678ES | TOTALWIFI-AS Total WiFi SL | 512 | — | 2 |
| AS35264ES | GobiernoCantabria-AS Gobierno de Cantabria | 512 | — | 2 |
| AS49538ES | PSOE Partido Socialista Obrero Espanol (PSOE) | 512 | — | 1 |
| AS210319ES | ASTomares Telecable Cartaya S.L. | 512 | — | 2 |
| AS204563ES | TRT-MAD NexTReT S.L. | 512 | — | 2 |
| AS204774ES | SISTEL SISTEL ALMANZORA S.L. | 512 | — | 2 |
| AS215488ES | PARKE PARQUE TECNOLOGICO TEKNOLOGI ELKARTEGIA S.A. | 512 | 65.5K | 3 |
| AS209774ES | JUMBO JUMBO TOURS ESPANA SL | 512 | — | 2 |
| AS211441ES | Byficom BYFITEL COMUNICACIONES SL | 256 | 524.3K | 2 |
| AS209259ES | ASAENOR Corporacion Confidere SA | 256 | — | 1 |
| AS199312ES | Megavista Free Technologies Excom S.L. | 256 | — | 1 |
| AS212230ES | VIESGO VIESGO INFRAESTRUCTURAS ENERGETICAS S.L. | 256 | — | 1 |
| AS41072ES | FNMT Fabrica Nacional de Moneda y Timbre | 256 | — | 1 |
| AS213138ES | alfanetwork Alfa Network SL | 256 | — | 1 |
| AS212052ES | ASNETEXPERIENCE AMADO NEBOT FORES | 256 | — | 1 |
| AS201619ES | wifitoons Wifitoons S.L. | 256 | — | 1 |
| AS197183ES | Occentus Occentus Network SL | 256 | — | 1 |
| AS208824ES | POLOPRO Pau Cab | 256 | 18 | 4 |
| AS51555ES | ASN-PREFERENCE PREFERENCE SL | 256 | — | 1 |
| AS49212ES | REALE-SEGUROS-AS REALE SEGUROS GENERALES, S.A | 256 | — | 1 |
| AS203051ES | DIPUAVILA DIPUTACION PROVINCIAL DE AVILA | 256 | — | 1 |
| AS60076ES | DONDE Dynamic Over Network De Espana SL | 256 | — | 1 |
| AS205796ES | BRUTALSYS Brutalsys, S.L. | 256 | — | 1 |
| AS208726ES | ASFIATC FIATC MUTUA DE SEGUROS Y REASEGUROS | 256 | — | 1 |
| AS210670ES | CLOUDGAL INFORMATICA Y NETWORKING COMPOSTELA SLU | 256 | — | 1 |
| AS31164ES | LABESTEVE-AS ESTEVE PHARMACEUTICALS SA | 256 | — | 1 |
| AS199949ES | SEGON-AS Grupo On Seguridad SL | 256 | — | 1 |
| AS49638ES | CATNIX Consorci de Serveis Universitaris de Catalunya | 256 | 1 | 2 |
| AS212963ES | SERGIOB Sergio Bejarano Romero | 256 | — | 1 |
| AS56551ES | CVQ1-RIPE Ayuntamiento Rivas Vaciamadrid | 256 | — | 1 |
| AS205457ES | Wisp_Tachira Valor Information Technologies, S.L. | 256 | 65.5K | 2 |
| AS201426ES | HostingSoltia Soltia Consulting SL | 256 | — | 1 |