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Internet Service Providers in Spain
List of the top 20 organizations with the largest IP allocations in Spain
Rank
Name
IPv4 addresses
IPv6 /64 networks
AS numbers
Prefixes
Orange Espagne SA
14,608,640
1.31 x 2
37
1
8,728
TELEFONICA DE ESPANA S.A.U.
10,632,704
1.04 x 2
41
2
235
VODAFONE ESPANA S.A.U.
4,870,400
1.5 x 2
33
2
649
4
VODAFONE ONO, S.A.
1,988,608
2
38
1
69
5
Entidad Publica Empresarial Red.es
1,372,416
2
32
2
39
6
XTRA TELECOM S.A.
973,568
1.31 x 2
35
2
359
7
R Cable y Telecable Telecomunicaciones, S.A.U.
856,064
1.38 x 2
27
2
63
8
AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL
692,224
1.56 x 2
37
4
538
9
Euskaltel S.A.
687,104
1.01 x 2
35
1
144
10
DIGI SPAIN TELECOM S.L.U.
415,232
2
35
1
33
11
AVATEL TELECOM, SA
385,024
1.72 x 2
36
21
571
12
Consorci de Serveis Universitaris de Catalunya
312,064
2
32
2
12
13
acens Technologies, S.L.
181,248
2
32
1
114
14
Santander Global Technology, S.L.U
146,688
0
1
134
15
PROCONO S.A.
141,824
2
17
1
179
16
Adamo Telecom Iberia S.A.
136,960
1.63 x 2
35
1
114
17
Servei Catala de la Salut
131,072
0
1
3
18
TELEFONICA GLOBAL SOLUTIONS SL
104,448
1.5 x 2
33
2
35
19
SAREnet, S.A.
78,080
2
32
1
21
20
Centre de Telecomunicacions i Tecnologies de la Informacio de la Generalitat de
73,984
0
2
98