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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
14,329,600
1.32 x 2
37
5
8,423
TELEFONICA DE ESPANA
10,647,680
1.02 x 2
41
3
377
VODAFONE ESPANA S.A.U.
5,285,376
1.5 x 2
33
2
232
4
VODAFONE ONO, S.A.
2,880,512
2
38
2
112
5
Entidad Publica Empresarial Red.es
1,540,352
2
32
2
44
6
R Cable y Telecable Telecomunicaciones, S.A.U.
894,208
2
25
2
73
7
XTRA TELECOM S.A.
766,032
1.05 x 2
33
2
253
8
ServiHosting Networks S.L.
665,856
1.06 x 2
36
1
510
9
Euskaltel S.A.
664,064
2
35
1
86
10
EVOLUTIO CLOUD ENABLER S.A. UNIPERSONAL
423,168
2
33
3
153
11
Consorci de Serveis Universitaris de Catalunya
312,064
2
32
2
12
12
TELEFONICA GLOBAL SOLUTIONS SL
187,136
1.5 x 2
33
1
87
13
acens Technologies, S.L.
171,264
2
32
1
98
14
PROCONO S.A.
145,920
0
1
176
15
Santander Global Technology, S.L.U
145,664
0
1
124
16
Adamo Telecom Iberia S.A.
137,472
1.63 x 2
35
1
122
17
Fundacion Tecnalia Research and Innovation
131,072
0
1
45
18
Soltia Consulting SL
103,424
0
3
126
19
DIGI SPAIN TELECOM S.L.U.
84,736
2
36
1
17
20
Telecom Castilla La Mancha
82,688
0
1
5