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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
13,025,536
1.32 x 2
37
5
7,806
TELEFONICA DE ESPANA
10,771,200
1.02 x 2
41
3
383
VODAFONE ESPANA S.A.U.
5,189,376
2
33
2
1,370
4
VODAFONE ONO, S.A.
3,273,728
2
38
2
257
5
Entidad Publica Empresarial Red.es
1,540,096
2
32
2
43
6
R Cable y Telecable Telecomunicaciones, S.A.U.
889,088
0
2
65
7
XTRA TELECOM S.A.
710,960
1.38 x 2
32
2
195
8
ServiHosting Networks S.L.
667,904
1.06 x 2
36
1
501
9
Euskaltel S.A.
592,896
2
35
1
51
10
EVOLUTIO CLOUD ENABLER S.A. UNIPERSONAL
419,840
2
33
3
141
11
Consorci de Serveis Universitaris de Catalunya
312,064
2
32
2
12
12
Telefonica International Wholesale Services II, S.L.U.
184,832
1.5 x 2
33
1
85
13
acens Technologies, S.L.
171,264
2
32
1
98
14
Produban Servicios Informaticos Generales, S.L.
144,384
0
1
119
15
Fundacion Tecnalia Research and Innovation
131,072
0
1
45
16
Telecom Castilla La Mancha
131,072
0
1
1
17
Soltia Consulting SL
128,768
0
2
142
18
Adamo Telecom Iberia S.A.
116,992
1.63 x 2
35
1
96
19
PROCONO S.A.
105,984
2
32
1
65
20
Xtudio Networks S.L.U.
87,552
0
2
147