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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.
Paper holder: holds 372.5M /48 blocks but only 9.8% of users are IPv6-capable.
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 |
| AS12338ES | EUSKALTEL Euskaltel S.A. | 658.2K | 118 |
| AS29119ES | SERVIHOSTING-AS AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL | 631.6K | 412 |
| AS12334ES | R Cable y Telecable Telecomunicaciones, S.A.U. | 443.4K | 37 |
| AS200845ES | AVATEL-AS AVATEL TELECOM, SA | 355.1K | 463 |
| movitel MOVIMIENTO TELEVISIVO S.A. |
| 5.1K |
| — |
| 14 |
| AS29337ES | DRAGONET-AS Dragonet Comunicaciones SL | 5.1K | — | 20 |
| AS49650ES | EVEREX Everex Comunicaciones, S.A. | 5.1K | — | 7 |
| AS201704ES | ESVST-AS VALL DE SOLLER TELECOMUNICACIONS SLU | 5.1K | 65.5K | 5 |
| AS41541ES | SWHO-AS sw hosting & communications technologies SL | 5.1K | — | 20 |
| AS207050ES | AS_CABLEWORLDELDA FIBRAWORLD TELECOM S.A.U. | 5.1K | — | 5 |
| AS205694ES | TELECOMUNICACION BREAK FREE TELECOM SL | 5.1K | — | 13 |
| AS206487ES | netvoz NEXVOLMAR S.L. | 5.1K | 65.5K | 18 |
| AS197518ES | RACKMARKT Rackmarkt SL | 5.1K | 65.5K | 4 |
| AS197829ES | Gobierno-de-Navarra Gobierno de Navarra | 5.1K | — | 6 |
| AS51487ES | DONNALIVE-AS Networksland SL | 5.4K | — | 21 |
| AS203068ES | BANDALIBRE-AS Bandalibre Comunicaciones, S.L. | 5.4K | — | 15 |
| AS42220ES | SIAPI-AS TREVENQUE SISTEMAS DE INFORMACION S.L. | 5.4K | 65.5K | 4 |
| AS49835ES | GUIFINET-AS Fundacio Privada per a la Xarxa Lliure, Oberta i Neutral, guifi.net | 5.4K | 65.5K | 22 |
| AS196713ES | ABANSYS_AND_HOSTYTEC-AS Abansys & Hostytec, S.L. | 5.4K | — | 21 |
| AS206077ES | lecrintv Lecrin Television S.L. | 5.4K | — | 14 |
| AS51007ES | mediapro-as Servicios Audiovisuales Overon S.L. | 5.4K | — | 14 |
| AS201109ES | nxt-telecom BIVID TELECOM SL | 5.4K | — | 18 |
| AS62352ES | NETLLAR XFERA Moviles S.A. | 5.6K | — | 17 |
| AS43833ES | OPENCABLE-ASN OPEN CABLE TELECOMUNICACIONES, S.L. | 5.6K | 1 | 10 |
| AS41558ES | C2K-AS Canal 2000 Comunicaciones S. L. | 5.6K | — | 6 |
| AS205981ES | CWSANVICENTE-AS FIBRAWORLD TELECOM S.A.U. | 5.6K | — | 6 |
| AS44585ES | EFOR Efor Global Technology SL | 5.6K | — | 13 |
| AS206945ES | co-fi Robert Michael Span | 5.6K | — | 9 |
| AS198731ES | PRISCO-AS Prisco Electronica S.L. | 5.6K | 21K | 34 |
| AS39328ES | Sisnet SISNET NUEVAS TECNOLOGIAS S.L. | 5.6K | — | 11 |
| AS198479ES | BPLAN Nunsys SA | 5.6K | — | 15 |
| AS206882ES | WIFILINKS WIFILINKS SL | 5.9K | — | 10 |
| AS56958ES | RaiolaNetworks Raiola Networks S.L. | 5.9K | 262.1K | 10 |
| AS205179ES | virtualdeploy Virtualdeploy SL | 6.1K | — | 15 |
| AS208288ES | wiphone Wiphone Telecomunicaciones SL | 6.1K | — | 14 |
| AS206366ES | RuralTelecom Rural Telecom SL | 6.1K | — | 15 |
| AS207614ES | AS-FUENLAN Sistemas informaticos y Servicios de internet FuenLan SL | 6.1K | 540.7K | 17 |
| AS203244ES | WIFIPAL TELEVISION TRUJILLO S.L. | 6.1K | — | 16 |
| AS200434ES | EPHOS Estabanell Impulsa S.A | 6.1K | 524.3K | 15 |
| AS57656ES | ALTIA-AS ALTIA CONSULTORES S.A. | 6.1K | 524.3K | 15 |
| AS34285ES | JJAA-AS Sociedad Andaluza para el Desarrollo de las Telecomunicaciones S.A. Medio Propio | 6.1K | — | 18 |
| AS210158ES | madriddigital AGENCIA PARA LA ADMINITRACION DIGITAL DE LA COMUNIDAD DE MADRID | 6.1K | — | 15 |
| AS204741ES | ES-AIRSAT AIRSAT COMUNICACIONES S.L. | 6.4K | 524.3K | 14 |
| AS212862ES | NETELSERVICES Invermae Solutions SL | 6.4K | — | 7 |
| AS210791ES | AIRCOM ASPWIFI S.L. | 6.7K | — | 17 |
| AS42493ES | TELELORCA-AS Lorca TV Sol S.L. | 6.7K | — | 14 |
| AS51681ES | DATIUM SINEASEN S.L. | 6.9K | — | 12 |
| AS51151ES | COMENERSOL-AS Comunicaciones Enersol, S.L. | 6.9K | — | 25 |
| AS200908ES | intermanaged Invermae Solutions SL | 7.2K | — | 14 |
| AS60267ES | CABLERWORLD-MURCIA-AS FIBRAWORLD TELECOM S.A.U. | 7.2K | — | 12 |
| AS201453ES | AKIWIFI Nostravant S.L.L. | 7.2K | 1.1M | 32 |