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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 |
| 3.1K |
| 66.3K |
| 7 |
| AS205193ES | valdehost XNET CORE SL | 3.1K | — | 3 |
| AS47164ES | ASN-REDLAN Manuel Lozano Ruiz | 3.1K | 1M | 8 |
| AS207294ES | tnsgrupo TNS GRUPO OLIVA VALLEY, SL | 3.1K | — | 9 |
| AS201553ES | Vola Vola los del Internet S.L. | 3.1K | — | 9 |
| AS204667ES | WIFIGOMERA Juan Ramon Jerez Suarez | 3.1K | — | 3 |
| AS9192ES | LleidaNet LleidaNetworks Serveis Telematics S.A. | 3.3K | — | 13 |
| AS205334ES | Fiberplus2AS FIBERPLUS COMUNICATIONS, SL | 3.3K | — | 13 |
| AS64411ES | CORREOS-TELECOM Correos Telecom SA S.M.E. | 3.3K | 524.3K | 4 |
| AS215927ES | SURWITEL SURWITEL COMUNICACIONES, S.L. | 3.3K | — | 11 |
| AS43747ES | ES-TELEVALENTIN-AS TELEVALENTIN, S.L | 3.3K | — | 7 |
| AS198968ES | CYBERNETICOS Cyberneticos Hosting SL | 3.3K | — | 9 |
| AS204004ES | airebullas Fibranet Tecnologia y Sistemas SL | 3.3K | — | 10 |
| AS202997ES | ASBANKINTER Bankinter Global Services SA | 3.3K | — | 13 |
| AS29661ES | ANCERT-AS AGENCIA NOTARIAL DE CERTIFICACION S.L | 3.3K | — | 8 |
| AS206076ES | ISP Ingenieria y Suministros Profesionales, S.L. | 3.3K | — | 13 |
| AS209688ES | TELERED-AS TELE RED S.A. | 3.3K | — | 4 |
| AS62033ES | HOSTERS CLOUDEUS SL | 3.6K | 1 | 12 |
| AS42147ES | correos Sociedad Estatal Correos y Telegrafos S.A. | 3.6K | — | 14 |
| AS60711ES | Paravisa-AS Fernando Perez Morales | 3.6K | — | 9 |
| AS210123ES | Nubbitel NUBBITEL TELECOM,S.L. | 3.6K | 65.5K | 4 |
| AS211554ES | AMR-ELCORONIL ANA MARIA RODRIGUEZ SANTOS | 3.6K | — | 7 |
| AS206833ES | snell Snell Cuenca Minera S.L | 3.6K | 262.1K | 18 |
| AS202829ES | WSP-AS1 Luis Sanchez Martin | 3.6K | — | 10 |
| AS206496ES | tdacomunicaciones TDA COMUNICACIONES CONNECTIONS SLU | 3.6K | — | 8 |
| AS49940ES | FIRABCN-AS FERIA INTERNACIONAL DE BARCELONA | 3.6K | 524.3K | 14 |
| AS198192ES | ASN-TELEPORTE TELEPORTE S.L. | 3.6K | — | 8 |
| AS202421ES | wimaz Wimaz S. L. | 3.6K | 524.3K | 10 |
| AS43578ES | bitNAP TEMPLUS BARCELONA S.L. | 3.6K | 5 | 19 |
| AS56909ES | TDPRarlutv TD PR ARLU S.A | 3.8K | — | 11 |
| AS48040ES | FORNEX-SE-AS Fornex Hosting S.L. | 3.8K | 2 | 17 |
| AS61408ES | AgoTelecomASN AGO TELECOM S.L | 3.8K | 65.5K | 7 |
| AS202125ES | ACACIONET ACACIO SERVICIOS TELEMATICOS S.L. | 3.8K | — | 11 |
| AS44998ES | GOBIERNOCANARIAS-AS GOBIERNO DE CANARIAS | 3.8K | 65.5K | 9 |
| AS205827ES | conectat-as ConectaT Servicios de Banda Ancha SL | 3.8K | — | 5 |
| AS6813ES | FLEXNET TELEFONICA DE ESPANA S.A.U. | 3.8K | — | 11 |
| AS206702ES | cliko 7P SERVICIOS INTEGRADOS SLU | 3.8K | 16.4K | 16 |
| AS197267ES | Retevision-I-AS Retevision I, S.A. | 3.8K | — | 6 |
| AS25589ES | ipv6informatica IPv6 Informatica S.L. | 3.8K | 65.5K | 5 |
| AS43707ES | CNENET Comision Nacional de los Mercados y la Competencia | 3.8K | — | 4 |
| AS47806ES | ASN-TELECONDADO Cesar Maffini Martin | 4.1K | — | 6 |
| AS202054ES | S4N-AS GRUPO SYS4NET, S.L. | 4.1K | — | 10 |
| AS31653ES | SERVATICA-AS Servatica Technologies, S.L. | 4.1K | — | 16 |
| AS209031ES | AIRELINE RACOMUR DIFUSION,S.L. | 4.1K | — | 9 |
| AS30937ES | Walhalla__AS30937 Walhalla Data Center Services SL | 4.1K | 4.1K | 10 |
| AS58345ES | DinfotecASN Free Technologies Excom S.L. | 4.1K | — | 1 |
| AS21364ES | LANTIK-AS Lantik S.A. M.P. | 4.1K | — | 1 |