Internet Service Providers in Spain

Top 20 organizations with the largest IP allocations in Spain

Spain

Top 20 organizations with the largest IP allocations

Rank	Name	IPv4 addresses	IPv6 /64 networks	AS numbers	Prefixes
	TELEFONICA DE ESPANA	10,600,704	1.02 x 2⁴¹	3	855
	Orange Espagne SA	6,684,416	2³⁶	3	6,546
	VODAFONE ESPANA S.A.U.	4,283,920	2³³	2	1,012
4	VODAFONE ONO, S.A.	2,312,688	1.25 x 2³⁸	1	1,262
5	Entidad Publica Empresarial Red.es	1,572,608	2³²	2	40
6	R Cable y Telecomunicaciones Galicia, S.A.	500,480	2³²	1	39
7	Euskaltel S.A.	490,240	2³⁵	1	23
8	ServiHosting Networks S.L.	443,392	1.06 x 2³⁶	1	705
9	XTRA TELECOM S.A.	341,760	2³²	1	114
10	Consorci de Serveis Universitaris de Catalunya	312,064	2³²	2	12
11	Telecable de Asturias,SA	279,552	0	1	28
12	Telefonica International Wholesale Services II, S.L.U.	174,336	1.56 x 2³³	1	155
13	XFERA Moviles S.A.	166,656	0	1	15
14	Telecom Castilla La Mancha	131,072	0	1	1
15	Soltia Consulting SL	129,280	0	2	141
16	Produban Servicios Informaticos Generales, S.L.	98,048	0	1	134
17	PROCONO S.A.	86,272	2³²	1	64
18	acens Technologies, S.L.	79,360	2³²	1	96
19	Centre de Telecomunicacions i Tecnologies de la Informacio de la Generalitat de	76,288	2³²	1	43
20	SAREnet, S.A.	74,240	2³²	1	13