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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 |
| 2K |
| 524.3K |
| 5 |
| AS209855ES | calpenetworks1 CALPE NETWORKS SL | 2K | — | 5 |
| AS208928ES | megalan MEGALAN TELECOM SL | 2K | — | 5 |
| AS210847ES | Alcala-Wifi Cesar Maffini Martin | 2K | — | 5 |
| AS200695ES | onwifitgn OnWifi Tarragona SLU | 2K | — | 5 |
| AS209386ES | EMSANET-AS Emsanet Maestrat S.L. | 2K | — | 2 |
| AS49388ES | INTERCOMGI-BCN Inspirit Cloud, S.L. | 2K | — | 1 |
| AS41876ES | MolTelecom IGNACIO JOSE PLA CUCO | 2K | — | 5 |
| AS59403ES | ZONAMBER ZONAMBER SL | 2K | — | 1 |
| AS201105ES | INTERSUR WIFI INTERSUR S.L. | 2K | — | 2 |
| AS212139ES | cvalldigna Comunica't Valldigna, S.L. | 2K | — | 4 |
| AS213336ES | ITENCORE IT ENCORE TECNOLOGIA SL | 2K | — | 5 |
| AS207185ES | airconect Free Technologies Excom S.L. | 2K | — | 5 |
| AS203934ES | gigabytesistemas DIGITAL GARAGE S.L. | 2K | 65.5K | 4 |
| AS209791ES | AREAWIFI BREAK FREE TELECOM SL | 2K | — | 3 |
| AS202825ES | neartel NEAR TELECOM S.L. | 2K | 524.3K | 9 |
| AS202844ES | Airsip_telecomunicaciones_ASN Airsip Telecomunicaciones S.L. | 2K | 524.3K | 3 |
| AS48958ES | PRSZ-AS Grupo Baladig SL | 2K | — | 5 |
| AS204488ES | Connect-Solutions CONNECTA-COMUNICACIONS INTEGRALS DE CATALUNYA S.L | 2K | — | 8 |
| AS57929ES | OCTANIO-1 Octanio Sistemas Informaticos SL | 2K | — | 1 |
| AS199976ES | AS_DUNE DUNE TECHNOLOGY SL | 2K | — | 8 |
| AS206430ES | infotec INFOTEC TECNOLOGIA INTEGRAL Y TELECOMUNICACIONES SL | 2K | 524.3K | 9 |
| AS204861ES | CODISATS Codisa Telco Solutions S.L. | 2K | 524.3K | 5 |
| AS203712ES | XARTIC-AS Xarxes Esteses de Comunicacions SL | 2K | 65.5K | 9 |
| AS24830ES | INTEREC-AS CIRCUITOS ALJARAFE, S.L. | 2K | — | 8 |
| AS200793ES | aoraconecta AORA CONECTA S.L.L. | 2K | — | 8 |
| AS208170ES | FIBRESPEED FIBRESPEED, S.L. | 2K | — | 5 |
| AS56697ES | suisbogatelecom SUIS BOGA TELECOM SL | 2K | 524.3K | 6 |
| AS207026ES | QUOPIAM Quopiam Informatica SL | 2K | 524.3K | 6 |
| AS206886ES | QPB CYBERMAN INFORMATICA Y COMUNICACIONES, SRLL | 2K | 2 | 7 |
| AS202484ES | AZURITA-STORE-AS Azurita Store S. L. | 2K | — | 1 |
| AS206602ES | tvtcable TVT TECNICENTRO, SL UNIP | 2K | — | 2 |
| AS203280ES | andaina Jose Antonio Vazquez Quian | 2K | — | 5 |
| AS202211ES | MariposaNet Manuel Mariposa Consulting SL | 2K | — | 5 |
| AS203119ES | TIMWE Servicios Tecnologicos TIM SL | 2K | 524.3K | 4 |
| AS215029ES | OXGDC-AS OXIGEN Data Center S.L. | 2K | — | 5 |
| AS199905ES | AS_TRIANGULO TRIANGULO DE CONTROL G-3 S.A. | 2K | — | 5 |
| AS60917ES | TEDRA TEDRA GLOBAL SOLUTIONS S.L. | 2K | 65.5K | 9 |
| AS204396ES | tvolvera OLVERA CA.T.V., S. COOP. AND. | 2K | — | 2 |
| AS198871ES | DIPCAS-AS Diputacion Provincial de Castellon | 2K | — | 8 |
| AS209478ES | SYSPROVIDER Leyre Rivera Martin | 2K | 524.3K | 6 |
| AS209923ES | SUBBETICAC GRUPO INFORMATICA PACO SECILLA SL | 2K | — | 5 |
| AS206863ES | CODIGO1 EQUIPOS INFORMATICOS ERONET SL | 2K | — | 2 |
| AS48221ES | CASSI EMPRESAS MUNICIPALES DE SEVILLA, A.I.E. | 2K | — | 1 |
| AS51294ES | HUBARA HUBARA hosting solutions, S.L. | 2K | — | 1 |
| AS202608ES | UNILAN-AS UNILAN TELECOM SL | 2K | — | 5 |
| AS206853ES | nolu NOLU NETWORK S.L. | 2K | — | 8 |