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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 |
| 2K |
| — |
| 5 |
| AS49388ES | INTERCOMGI-BCN Inspirit Cloud, S.L. | 2K | — | 1 |
| AS203292ES | Hostisoft Hostisoft S.L. | 2K | — | 5 |
| AS206642ES | quasar-es Quasar Soluciones Tecnologicas, S.L.U. | 2K | — | 5 |
| AS213336ES | ITENCORE IT ENCORE TECNOLOGIA SL | 2K | — | 5 |
| AS209791ES | AREAWIFI BREAK FREE TELECOM SL | 2K | — | 3 |
| AS5505ES | VADAVO VADAVO SOLUCIONES SL | 2K | 65.5K | 9 |
| AS209478ES | SYSPROVIDER Leyre Rivera Martin | 2K | 524.3K | 6 |
| AS215029ES | OXGDC-AS OXIGEN Data Center S.L. | 2K | — | 5 |
| AS206430ES | infotec INFOTEC TECNOLOGIA INTEGRAL Y TELECOMUNICACIONES SL | 2K | 524.3K | 9 |
| AS207026ES | QUOPIAM Quopiam Informatica SL | 2K | 524.3K | 6 |
| AS199976ES | AS_DUNE DUNE TECHNOLOGY SL | 2K | — | 8 |
| AS201105ES | INTERSUR WIFI INTERSUR S.L. | 2K | — | 2 |
| AS209855ES | calpenetworks1 CALPE NETWORKS SL | 2K | — | 5 |
| AS208596ES | VERIMAX Verimax Telecom SL | 2K | — | 3 |
| AS48864ES | CEMI-MALAGA-AS Centro Municipal de Informatica de Malaga | 2K | — | 1 |
| AS200695ES | onwifitgn OnWifi Tarragona SLU | 2K | — | 5 |
| AS202608ES | UNILAN-AS UNILAN TELECOM SL | 2K | — | 5 |
| AS208863ES | MANGO-AS MANGO MNG S.A. | 2K | — | 5 |
| AS200320ES | dioxinet Soltia Consulting SL | 2K | — | 8 |
| AS200793ES | aoraconecta AORA CONECTA S.L.L. | 2K | — | 8 |
| AS205289ES | ES-FOFNET-AS FIBRA OPTICA FILABRES S.L | 2K | 524.3K | 3 |
| AS204396ES | tvolvera OLVERA CA.T.V., S. COOP. AND. | 2K | — | 2 |
| AS60917ES | TEDRA TEDRA GLOBAL SOLUTIONS S.L. | 2K | 65.5K | 9 |
| AS204488ES | Connect-Solutions CONNECTA-COMUNICACIONS INTEGRALS DE CATALUNYA S.L | 2K | — | 8 |
| AS203119ES | TIMWE Servicios Tecnologicos TIM SL | 2K | 524.3K | 4 |
| AS203934ES | gigabytesistemas DIGITAL GARAGE S.L. | 2K | 65.5K | 4 |
| AS212714ES | CANALPOZUELOASN Canal Pozuelo S.L. | 2K | 524.3K | 5 |
| AS213475ES | TMB-AS TRANSPORTS DE BARCELONA, S.A. | 2K | — | 5 |
| AS202658ES | cityfiber CITY FIBER SL | 2K | — | 2 |
| AS208170ES | FIBRESPEED FIBRESPEED, S.L. | 2K | — | 5 |
| AS51362ES | operadora-gredos OPERADORA GREDOS SL | 2K | — | 5 |
| AS206853ES | nolu NOLU NETWORK S.L. | 2K | — | 8 |
| AS199905ES | AS_TRIANGULO TRIANGULO DE CONTROL G-3 S.A. | 2K | — | 5 |
| AS40973ES | JCCM Junta de Comunidades de Castilla-La Mancha | 2K | — | 1 |
| AS210847ES | Alcala-Wifi Cesar Maffini Martin | 2K | — | 5 |
| AS41876ES | MolTelecom IGNACIO JOSE PLA CUCO | 2K | — | 5 |
| AS206886ES | QPB CYBERMAN INFORMATICA Y COMUNICACIONES, SRLL | 2K | 2 | 7 |
| AS51294ES | HUBARA HUBARA hosting solutions, S.L. | 2K | — | 1 |
| AS28971ES | MEDIAFUSION-ES-AS D-MOBILELAB SPAIN S.A. | 2K | — | 1 |
| AS205057ES | oka OKA Servicios Internet SL | 2K | — | 5 |
| AS2606ES | wifiberes Wifiber.es SL | 2K | — | 5 |
| AS212235ES | VCGelves Juan Ramon Prieto Reyes | 2K | — | 5 |
| AS211654ES | pcmancha PC Mancha S.L. | 2K | 524.3K | 6 |
| AS48697ES | AMA-ES Amadeus Soluciones Tecnologicas S.A. | 2K | — | 1 |
| AS202825ES | neartel NEAR TELECOM S.L. | 2K | 524.3K | 9 |
| AS60807ES | Durcatel-AS Durcatel CB | 2K | — | 6 |