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
	Orange Espagne SA	12,660,736	1.32 x 2³⁷	5	7,436
	TELEFONICA DE ESPANA	10,775,168	1.02 x 2⁴¹	3	399
	VODAFONE ESPANA S.A.U.	4,699,552	2³³	2	1,015
4	VODAFONE ONO, S.A.	3,721,984	2³⁸	1	557
5	Entidad Publica Empresarial Red.es	1,572,864	2³²	2	42
6	R Cable y Telecable Telecomunicaciones, S.A.U.	938,240	0	2	59
7	ServiHosting Networks S.L.	691,456	1.06 x 2³⁶	1	538
8	XTRA TELECOM S.A.	493,360	1.06 x 2³²	2	92
9	Euskaltel S.A.	490,496	2³⁵	1	17
10	Consorci de Serveis Universitaris de Catalunya	312,064	2³²	2	12
11	BT ESPANA, COMPANIA DE SERVICIOS GLOBALES DE TELECOMUNICACIONES, SA	310,016	2³³	3	194
12	Telefonica International Wholesale Services II, S.L.U.	185,088	1.5 x 2³³	1	87
13	acens Technologies, S.L.	166,912	2³²	1	94
14	XFERA Moviles S.A.	166,656	0	1	15
15	Produban Servicios Informaticos Generales, S.L.	148,992	0	1	106
16	Soltia Consulting SL	135,168	0	2	146
17	Telecom Castilla La Mancha	131,072	0	1	1
18	Adamo Telecom Iberia S.A.	110,336	1.63 x 2³⁵	1	96
19	PROCONO S.A.	99,840	2³²	1	49
20	Xtudio Networks S.L.U.	81,920	0	2	128