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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
12,734,976
1.32 x 2
37
5
7,367
TELEFONICA DE ESPANA
10,774,912
1.02 x 2
41
3
399
VODAFONE ESPANA S.A.U.
5,006,080
2
33
2
1,086
4
VODAFONE ONO, S.A.
3,432,192
2
38
1
375
5
Entidad Publica Empresarial Red.es
1,540,096
2
32
2
42
6
R Cable y Telecable Telecomunicaciones, S.A.U.
889,088
0
2
65
7
ServiHosting Networks S.L.
675,584
1.06 x 2
36
1
505
8
Euskaltel S.A.
585,728
2
35
1
31
9
XTRA TELECOM S.A.
510,000
1.16 x 2
32
2
124
10
BT ESPANA, COMPANIA DE SERVICIOS GLOBALES DE TELECOMUNICACIONES, SA
322,048
2
33
3
203
11
Consorci de Serveis Universitaris de Catalunya
312,064
2
32
2
12
12
Telefonica International Wholesale Services II, S.L.U.
182,784
1.5 x 2
33
1
84
13
acens Technologies, S.L.
171,008
2
32
1
97
14
XFERA Moviles S.A.
166,656
0
1
15
15
Produban Servicios Informaticos Generales, S.L.
141,824
0
1
109
16
Soltia Consulting SL
131,840
0
2
145
17
Telecom Castilla La Mancha
131,072
0
1
1
18
Adamo Telecom Iberia S.A.
113,664
1.63 x 2
35
1
97
19
PROCONO S.A.
105,216
2
32
1
63
20
Xtudio Networks S.L.U.
81,920
0
2
128