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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 |
| 1.8K |
| — |
| 4 |
| AS211699ES | wicor WICOR COMUNICACIONS SL. | 1.8K | — | 4 |
| AS206818ES | zilean ZILEAN SOLUTIONS, SOCIEDAD LIMITADA | 1.8K | — | 4 |
| AS198198ES | TGS TELEFONICA GLOBAL SOLUTIONS SL | 1.8K | — | 3 |
| AS2114ES | ESIC ESCUELAS DE ESTUDIOS SUPERIORES ESIC SACERDOTES DEL CORAZON DE JESUS PADRES REPARADORES | 2K | — | 1 |
| AS48864ES | CEMI-MALAGA-AS Centro Municipal de Informatica de Malaga | 2K | — | 1 |
| AS206863ES | CODIGO1 EQUIPOS INFORMATICOS ERONET SL | 2K | — | 2 |
| AS198871ES | DIPCAS-AS Diputacion Provincial de Castellon | 2K | — | 8 |
| AS208928ES | megalan MEGALAN TELECOM SL | 2K | — | 5 |
| AS40973ES | JCCM Junta de Comunidades de Castilla-La Mancha | 2K | — | 1 |
| AS206886ES | QPB CYBERMAN INFORMATICA Y COMUNICACIONES, SRLL | 2K | 2 | 7 |
| AS201105ES | INTERSUR WIFI INTERSUR S.L. | 2K | — | 2 |
| AS199905ES | AS_TRIANGULO TRIANGULO DE CONTROL G-3 S.A. | 2K | — | 5 |
| AS213336ES | ITENCORE IT ENCORE TECNOLOGIA SL | 2K | — | 5 |
| AS200793ES | aoraconecta AORA CONECTA S.L.L. | 2K | — | 8 |
| AS199976ES | AS_DUNE DUNE TECHNOLOGY SL | 2K | — | 8 |
| AS202658ES | cityfiber CITY FIBER SL | 2K | — | 2 |
| AS203280ES | andaina Jose Antonio Vazquez Quian | 2K | — | 5 |
| AS48221ES | CASSI EMPRESAS MUNICIPALES DE SEVILLA, A.I.E. | 2K | — | 1 |
| AS206602ES | tvtcable TVT TECNICENTRO, SL UNIP | 2K | — | 2 |
| AS51362ES | operadora-gredos OPERADORA GREDOS SL | 2K | — | 5 |
| AS211654ES | pcmancha PC Mancha S.L. | 2K | 524.3K | 6 |
| AS208596ES | VERIMAX Verimax Telecom SL | 2K | — | 3 |
| AS209386ES | EMSANET-AS Emsanet Maestrat S.L. | 2K | — | 2 |
| AS202844ES | Airsip_telecomunicaciones_ASN Airsip Telecomunicaciones S.L. | 2K | 524.3K | 3 |
| AS41876ES | MolTelecom IGNACIO JOSE PLA CUCO | 2K | — | 5 |
| AS214636ES | fibrasur Fibrasur Operadores S.L. | 2K | — | 2 |
| AS203712ES | XARTIC-AS Xarxes Esteses de Comunicacions SL | 2K | 65.5K | 9 |
| AS203292ES | Hostisoft Hostisoft S.L. | 2K | — | 5 |
| AS205575ES | VEO-TV-Alameda Veo Telecomunicaciones SL | 2K | — | 8 |
| AS56697ES | suisbogatelecom SUIS BOGA TELECOM SL | 2K | 524.3K | 6 |
| AS57677ES | SINTELEC SINTELEC INFORMATICA, S.L. | 2K | — | 1 |
| AS207185ES | airconect Free Technologies Excom S.L. | 2K | — | 5 |
| AS209023ES | tvlago Ruben Lago Cabrera | 2K | — | 5 |
| AS210847ES | Alcala-Wifi Cesar Maffini Martin | 2K | — | 5 |
| AS201976ES | ASMERCADONA Mercadona S.A | 2K | — | 6 |
| AS206853ES | nolu NOLU NETWORK S.L. | 2K | — | 8 |
| AS206089ES | TELECOLANZA-AS TELECOLANZA, S.L. | 2K | — | 8 |
| AS198404ES | ASRENTEL RENTEL WIFI, S.L. | 2K | — | 8 |
| AS208897ES | AS-LASTEL Lasarte Telecomunicaciones, S.L. | 2K | — | 5 |
| AS209855ES | calpenetworks1 CALPE NETWORKS SL | 2K | — | 5 |
| AS51294ES | HUBARA HUBARA hosting solutions, S.L. | 2K | — | 1 |
| AS212139ES | cvalldigna Comunica't Valldigna, S.L. | 2K | — | 4 |
| AS24830ES | INTEREC-AS CIRCUITOS ALJARAFE, S.L. | 2K | — | 8 |
| AS57929ES | OCTANIO-1 Octanio Sistemas Informaticos SL | 2K | — | 1 |
| AS204488ES | Connect-Solutions CONNECTA-COMUNICACIONS INTEGRALS DE CATALUNYA S.L | 2K | — | 8 |
| AS60807ES | Durcatel-AS Durcatel CB | 2K | — | 6 |