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Networks in Spain

954 autonomous systems are registered in Spain (ES). Together they announce 31,621,888 IPv4 addresses, 1.01% of the announced total, which ranks Spain #16 of 240 countries.

Autonomous systems954926 announce IPv4, 28 IPv6 only
IPv4 addresses31,621,8881.01% of announced IPv4 · #16 worldwide
Top 5 networks hold76.6%of Spain's IPv4 space
IPv61,846 x /32 (121,010,498 x /48)275 of 954 networks (29%) announce IPv6
Small networks152announce a single /24 (256 addresses) or less
Look up AS3352, the largest network in ES Look up any IP or ASN

Top 50 networks in Spain by IPv4 space

#ASNNetworkIPv4 addressesOf ES
1 AS3352 Telefonica_de_EspaNa TELEFONICA DE ESPANA S.A.U. 10,382,592 32.83%
2 AS12479 UNI2-AS Orange Espagne SA 6,999,040 22.13%
3 AS12430 VODAFONE_ES VODAFONE ESPANA S.A.U. 3,656,704 11.56%
4 AS6739 ONO-AS VODAFONE ONO, S.A. 1,805,568 5.71%
5 AS766 RedIRIS Entidad Publica Empresarial Red.es 1,371,648 4.34%
6 AS15704 AS15704 XTRA TELECOM S.A. 836,352 2.64%
7 AS12338 EUSKALTEL Euskaltel S.A. 507,904 1.61%
8 AS29119 SERVIHOSTING-AS AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL 475,904 1.50%
9 AS12334 R Cable y Telecable Telecomunicaciones, S.A.U. 422,656 1.34%
10 AS200845 AVATEL-AS AVATEL TELECOM, SA 328,448 1.04%
11 AS13041 CESCA-AC Consorci de Serveis Universitaris de Catalunya 311,808 0.99%
12 AS57269 DIGI-ES DIGI SPAIN TELECOM S.A 281,088 0.89%
13 AS12946 TeleCable R Cable y Telecable Telecomunicaciones, S.A.U. 230,144 0.73%
14 AS8903 AS8903 LYNTIA NETWORKS S.A. 164,352 0.52%
15 AS35699 ADAMOEU-AS Adamo Telecom Iberia S.A. 138,496 0.44%
16 AS2134 GSVNET-AS Santander Global Technology and Operations, S.L. 98,048 0.31%
17 AS34977 PROCONO-AS PROCONO S.A. 96,512 0.31%
18 AS16371 acens_AS acens Technologies, S.L. 89,344 0.28%
19 AS12956 TELXIUS TELEFONICA GLOBAL SOLUTIONS SL 85,248 0.27%
20 AS3262 SARENET SAREnet, S.A. 77,568 0.25%
21 AS34511 F-INTEGRA-AS Fundacion Integra 70,656 0.22%
22 AS198096 CICA Junta de Andalucia 67,584 0.21%
23 AS44593 REDCAYLE Fundacion Centro de Supercomputacion de Castilla y Leon 66,560 0.21%
24 AS15488 UPV-EHU Universidad del Pais Vasco - Euskal Herriko Unibertsitatea 65,536 0.21%
25 AS16153 SCS-AS Servei Catala de la Salut 65,536 0.21%
26 AS39069 CARM Comunidad Autonoma de la Region de Murcia 65,536 0.21%
27 AS198878 UNAV Universidad de Navarra 65,536 0.21%
28 AS41368 TVALMANSA-ASN Spotting Brands Technologies S.L. 37,120 0.12%
29 AS201942 SOLTIA Soltia Consulting SL 35,328 0.11%
30 AS50926 AXARNET-AS AXARNET COMUNICACIONES, S.L. 34,304 0.11%
31 AS39551 GENCAT-AS Centre de Telecomunicacions i Tecnologies de la Informacio de la Generalitat de Catalunya 32,768 0.10%
32 AS35394 CABLEAIREWORLD-AS Cable Aireworld S.A.U. 32,256 0.10%
33 AS57910 SCIP-AS Soluciones Corporativas IP, SL 30,720 0.10%
34 AS34471 EXCOM-AS Free Technologies Excom S.L. 30,464 0.10%
35 AS15699 AS_ADAM Adam EcoTech, S.A 27,904 0.09%
36 AS42947 SKYNETLINK-AS Telfy Telecom S.L. 26,880 0.09%
37 AS21193 XARXA-AS Centre de Telecomunicacions i Tecnologies de la Informacio de la Generalitat de Catalunya 24,576 0.08%
38 AS39155 JETNET JETNET WIMAX S.A 24,576 0.08%
39 AS49635 CLOUDING CLOUDI NEXTGEN SL 24,576 0.08%
40 AS56882 NET-LEAST-COST-ROUTING-TELECOM-SL AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL 22,784 0.07%
41 AS201735 PROPHASE-AS PROPHASE ELECTRONICS, S.L. 22,784 0.07%
42 AS44051 FORNEX-AS Fornex Hosting S.L. 20,992 0.07%
43 AS60171 AFRIX-AS AFR-IX TELECOM S.A. 20,736 0.07%
44 AS3339 FIBRAWORLD-AS FIBRAWORLD TELECOM S.A.U. 20,736 0.07%
45 AS212087 JOTELULU PLENIT TECHNOLOGY, S.L. 20,224 0.06%
46 AS3324 AS3324_FUJITSU_SPAIN Fujitsu Technology Solutions, S.A. 19,968 0.06%
47 AS42612 DINAHOSTING-AS DinaHosting S.L. 19,456 0.06%
48 AS15919 INTERHOST Servicios de Hosting en Internet S.A. 18,432 0.06%
49 AS58327 GLOBE-OPERATOR-TELECOM FIBERGREEN TECNOLOGICAS S.L. 18,176 0.06%
50 AS12321 ES-IBERCOMTELECOM-BACKBONE XTRA TELECOM S.A. 18,176 0.06%

Countries of similar size

#13 Australia#14 India#15 Taiwan#17 Egypt#18 South Africa#19 Mexico All countries

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources