Spain

Users able to use IPv6 (APNIC)

10.7%

Source: APNIC Labs IPv6 measurement · as of 2026-10-14

Users preferring IPv6 (APNIC)

10.1%

Source: APNIC Labs IPv6 measurement · as of 2026-10-14

APNIC measurement samples

12,100,598

Source: APNIC Labs IPv6 measurement · as of 2026-10-14

IPv6 users (Cisco 6lab)

3.6%

Source: Cisco 6lab statistics (community mirror) · as of 2026-10-14

IPv6 allocated (/32 equivalents)

5,705

APNIC, RIPE NCC

Source: APNIC delegation file, RIPE NCC delegation file · as of 2026-10-14

Top websites on IPv6

Share of the country's top websites fully reachable over IPv6: web 34.0%, email 60.0%, DNS 88.0%.

Source: Vyncke IPv6 deployment status (top websites per country) · as of 2026-10-14

Source: APNIC Labs per-economy history and networks · as of 2026-10-14

Network	IPv6-capable	Prefers IPv6	Samples
AS3352 Telefonica_de_EspaNa - TELEFONICA DE ESPANA S.A.U.	17.0%	15.4%	3,369,012
AS12479 UNI2-AS - Orange Espagne SA	0.3%	0.2%	2,213,632
AS57269 DIGI-ES - DIGI SPAIN TELECOM S.A	40.4%	40.0%	1,495,496
AS15704 AS15704 - XTRA TELECOM S.A.	0.2%	0.1%	1,484,145
AS12430 VODAFONE_ES - VODAFONE ESPANA S.A.U.	0.1%	0.1%	1,321,450
AS6739 ONO-AS - VODAFONE ONO, S.A.	0.1%	0.0%	473,922
AS200845 AVATEL-AS - AVATEL TELECOM, SA	1.6%	1.4%	280,569
AS12338 EUSKALTEL - Euskaltel S.A.	0.1%	0.0%	189,913
AS29119 SERVIHOSTING-AS - AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL	0.2%	0.1%	91,585
AS35699 ADAMOEU-AS - Adamo Telecom Iberia S.A.	0.4%	0.0%	76,060
AS12334 UNSPECIFIED - R Cable y Telecable Telecomunicaciones, S.A.U.	0.1%	0.0%	73,491
AS34977 PROCONO-AS - PROCONO S.A.	0.1%	0.1%	54,966
AS212238 CDNEXT - Datacamp Limited	1.0%	0.8%	46,559
AS14593 SPACEX-STARLINK - Space Exploration Technologies Corporation	52.0%	49.1%	46,032
AS201746 OLIVENET-AS - Olivenet Network S.L.	0.2%	0.0%	37,604
AS63023 AS-GLOBALTELEHOST - GTHost	0.3%	0.3%	34,611
AS34471 EXCOM-AS - Free Technologies Excom S.L.	0.1%	0.1%	30,795
AS12946 TeleCable - R Cable y Telecable Telecomunicaciones, S.A.U.	1.8%	0.0%	27,929
AS766 RedIRIS - Entidad Publica Empresarial Red.es	7.1%	6.6%	24,464
AS147281 LUCKYNET-AS-IN - Luckynet9 Private Limited	0.0%	0.0%	23,016

Source: APNIC Labs per-economy history and networks · as of 2026-10-14