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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 |
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| AS43926ES | Anxanet Anxanet Operadors de Xarxes, SL | — | — | 0 |
| AS206488ES | AS1_SELECTASTERISCO CELENETWORKS SL | — | — | 0 |
| AS204845ES | es-telvinor WGR TELECOMUNICACIONES VALLE DE LOS PEDROCHES SA | — | — | 0 |
| AS203277ES | VOIPING-US VOIPING US SL | — | — | 0 |
| AS61388ES | CORREOS-CLOUD-MAD01 Correos Telecom SA S.M.E. | — | — | 0 |
| AS203047ES | ONDAFIBRA ONDAFIBRA S.L. | — | — | 0 |
| AS219024ES | CINCANETWORKS CINCANETWORKS SL | — | — | 0 |
| AS199603ES | OCTANIO-2 Octanio Sistemas Informaticos SL | — | — | 0 |
| AS205744ES | Vola Vola los del Internet S.L. | — | — | 0 |
| AS199640ES | EDREAMS-AS eDreams International Network, SL | — | — | 0 |
| AS15915ES | IBERCOM MASMOVIL IBERCOM SA | — | — | 0 |
| AS211650ES | AS_CELENET CELENETWORKS SL | — | — | 0 |
| AS210148ES | ASORVIS ORVIS 360 SL | — | — | 0 |
| AS213716ES | Gonzalo-Ferrera-Borras Gonzalo Ferrera Borras | — | — | 0 |
| AS215396ES | SJD Orden Hospitalaria de San Juan de Dios, Provincia de San Juan de Dios Espana. | — | — | 0 |
| AS42229ES | AS-IXPlay-MAD-ES Cesar Maffini Martin | — | — | 0 |
| AS20869ES | CLARANET-SPAIN Claranet S.A.U. | — | — | 0 |
| AS208528ES | AS_K_Nikitin Kirill Nikitin | — | — | 0 |
| AS200014ES | AS_QUINTEIVA Quinteiva S.L. | — | — | 0 |
| AS711ES | SB-COMM-AS - Torrejon Air Base | — | — | 0 |
| AS211475ES | VOZFUSION VozFusion S.L. | — | — | 0 |
| AS209143ES | terrachatechnology ITEGAL SERVICIOS TIC S.L. | — | — | 0 |
| AS34952ES | EQUINIX-CLOUD-EXCHANGE-BA-ASN EQUINIX (SPAIN) ENTERPRISES SLU | — | — | 0 |
| AS208265ES | CELENET-AS CELENETWORKS SL | — | — | 0 |
| AS209672ES | BINARITYES-NET BINARITY SL | — | — | 0 |
| AS42820ES | ECONECTIA XFERA Moviles S.A. | — | — | 0 |
| AS206109ES | techco-security Securitas Seguridad Espana S.A. | — | — | 0 |
| AS203935ES | sonimar 7P SERVICIOS INTEGRADOS SLU | — | — | 0 |
| AS212578ES | SMEDIA SPECIES MEDIA MARKETING SL | — | — | 0 |
| AS134386ES | BOMBORATECH-AS-ANYCAST5 - BOMBORA TECHNOLOGIES Anycast system | — | — | 0 |
| AS20718ES | AS_ARSYS-EURO-1 ARSYS INTERNET S.L.U. | — | — | 0 |
| AS50146ES | Terremark-IST VERIZON SPAIN S.L. | — | — | 0 |
| AS16206ES | ABRARED XFERA Moviles S.A. | — | — | 0 |
| AS62235ES | AVATELTELECOM AVATEL TELECOM, SA | — | — | 0 |
| AS9094ES | LYNTIA_MSP_INTERNAL LYNTIA NETWORKS S.A. | 256 | — | 1 |
| AS202915ES | CUSTOS-AS CUSTOS messium SLNE | 256 | 1 | 2 |
| AS20906ES | ALLIANZ-AS Allianz Compania De Seguros y Reaseguros SA | 256 | — | 1 |
| AS199474ES | AS_TSK TSK ELECTRONICA Y ELECTRICIDAD S.A. | 256 | 524.3K | 2 |
| AS210670ES | CLOUDGAL INFORMATICA Y NETWORKING COMPOSTELA SL | 256 | — | 1 |
| AS211216ES | PROTESE Protese S.L. | 256 | — | 1 |
| AS202324ES | casva CASVA SEGURIDAD, S.L. | 256 | — | 1 |
| AS31249ES | IEMPRESA-ES-AS Instituto de Empresa, S.L. | 256 | — | 1 |
| AS212052ES | ASNETEXPERIENCE AMADO NEBOT FORES | 256 | — | 1 |
| AS200171ES | NTTSWSAAS-AS NUEVA TECNOLOGIA TECNICA, S.L. | 256 | — | 1 |
| AS60076ES | DONDE Dynamic Over Network De Espana SL | 256 | — | 1 |
| AS16373ES | MOEVE MOEVE SA | 256 | — | 1 |