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	10,603,264	1.02 x 2⁴¹	3	876
	Orange Espagne SA	6,621,440	2³⁶	3	5,528
	VODAFONE ESPANA S.A.U.	4,017,936	2³³	2	453
4	VODAFONE ONO, S.A.	2,577,648	1.25 x 2³⁸	1	1,263
5	Entidad Publica Empresarial Red.es	1,574,400	2³²	2	50
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.	439,552	1.13 x 2³⁵	1	654
9	XTRA TELECOM S.A.	347,392	2³²	1	108
10	Consorci de Serveis Universitaris de Catalunya	312,320	2³²	2	13
11	Telecable de Asturias,SA	279,552	0	1	27
12	Telefonica International Wholesale Services II, S.L.U.	185,344	1.56 x 2³³	1	192
13	XFERA Moviles S.A.	166,656	0	1	15
14	Telecom Castilla La Mancha	131,072	0	1	1
15	Soltia Consulting SL	117,760	0	2	131
16	Produban Servicios Informaticos Generales, S.L.	99,584	0	1	146
17	PROCONO S.A.	86,784	2³²	1	62
18	acens Technologies, S.L.	79,104	2³²	1	95
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