AS15704 AS15704 XTRA TELECOM S.A.

AS15704 XTRA TELECOM S.A. · registered in Spain

IPv4 addresses836,352244 prefixes · 0.027% of announced IPv4

Rank in Spain#6largest network in ES by IPv4 space, of 926 · 2.64% of ES

Rank worldwide#411of 79,396 networks with IPv4

IPv610 x /32 (688,128 x /48)25 prefixes

CountrySpain954 ASNs registered there

Open AS15704 in ASN lookup Look up an IP in this network (31.221.128.1) All networks in Spain

IPv4 prefixes

All 244 prefixes, in address order.

31.221.128.0/17
31.222.80.0/21
31.222.88.0/23
31.222.90.0/24
31.222.91.0/24
31.222.92.0/22
37.29.128.0/17
46.6.0.0/18
46.6.112.0/23
46.6.114.0/24
46.6.116.0/22
46.6.120.0/21
46.6.128.0/17
46.222.0.0/16
66.81.160.0/19
67.218.224.0/19
77.27.140.0/22
77.27.148.0/22
77.241.48.0/21
77.241.56.0/23
77.241.59.0/24
77.241.60.0/23
77.241.63.0/24
78.30.0.0/18
80.81.96.0/19
81.0.0.0/19
81.0.32.0/19
82.144.0.0/19
82.213.192.0/18
83.138.40.0/21
83.165.112.0/21
83.175.192.0/18
84.39.176.0/21
85.31.128.0/21
85.85.104.0/21
85.85.112.0/20
85.85.160.0/19
85.85.200.0/21
85.85.224.0/20
85.86.24.0/21
85.86.32.0/21
85.86.56.0/21
85.86.64.0/21
85.86.176.0/20
85.86.208.0/21
85.86.220.0/22
85.86.232.0/21
85.86.240.0/20
85.87.0.0/20
85.87.16.0/21
85.87.120.0/22
85.87.128.0/19
85.87.160.0/21
85.87.176.0/20
85.87.216.0/23
85.87.220.0/23
85.187.52.0/22
85.235.68.0/22
85.239.128.0/20
87.124.128.0/18
89.35.62.0/23
89.39.34.0/23
89.39.36.0/22
89.39.40.0/21
89.39.48.0/22
89.39.52.0/24
89.39.53.0/24
89.39.55.0/24
89.39.56.0/21
91.106.16.0/21
91.116.156.0/22
91.116.160.0/22
91.116.220.0/22
91.116.236.0/22
91.116.244.0/22
91.117.16.0/21
91.117.40.0/22
91.117.72.0/22
91.117.108.0/22
91.117.176.0/22
91.117.228.0/22
91.194.62.0/23
91.242.152.0/21
93.115.37.0/24
93.115.128.0/21
93.115.152.0/24
93.115.202.0/24
93.115.242.0/24
93.156.192.0/18
93.176.128.0/18
93.177.120.0/22
94.73.32.0/19
95.169.224.0/21
95.169.240.0/23
95.169.246.0/24
109.227.128.0/19
109.227.178.0/24
119.12.224.0/19
137.59.58.0/24
139.47.0.0/18
139.47.64.0/18
139.47.128.0/20
139.47.144.0/21
139.47.152.0/22
139.47.156.0/23
139.47.159.0/24
144.178.128.0/20
144.178.144.0/20
144.178.160.0/19
170.253.0.0/18
176.222.64.0/22
176.222.68.0/24
176.222.70.0/23
176.222.72.0/22
176.222.76.0/22
176.222.80.0/23
176.222.82.0/24
176.222.83.0/24
176.222.84.0/22
176.222.88.0/21
178.60.4.0/22
178.60.180.0/22
178.60.184.0/22
178.218.194.0/24
178.237.224.0/20
181.41.128.0/21
185.79.20.0/22
185.140.64.0/22
185.145.64.0/22
185.146.56.0/22
185.153.164.0/22
185.176.4.0/22
185.197.240.0/22
185.227.212.0/22
185.228.152.0/22
185.241.128.0/22
185.252.12.0/22
188.65.88.0/21
188.127.160.0/19
188.208.219.0/24
188.212.23.0/24
193.17.66.0/24
193.53.160.0/22
193.163.93.0/24
193.177.208.0/22
194.36.244.0/22
195.160.224.0/22
206.204.128.0/20
206.204.148.0/22
206.204.152.0/21
207.188.128.0/18
212.7.32.0/20
212.7.63.0/24
212.14.96.0/21
212.14.104.0/23
212.14.108.0/22
212.14.112.0/20
212.166.66.0/23
212.166.68.0/22
212.166.74.0/24
212.166.76.0/24
212.230.0.0/20
212.230.16.0/22
212.230.20.0/23
212.230.22.0/24
212.230.23.0/24
212.230.24.0/21
212.230.32.0/19
212.230.64.0/18
212.230.128.0/21
212.230.136.0/24
212.230.137.0/24
212.230.138.0/23
212.230.140.0/22
212.230.144.0/20
212.230.160.0/20
212.230.176.0/23
212.230.178.0/24
212.230.179.0/24
212.230.180.0/22
212.230.184.0/21
212.230.192.0/19
212.230.224.0/21
212.230.232.0/23
212.230.234.0/23
212.230.236.0/22
212.230.240.0/20
212.231.0.0/19
212.231.32.0/20
212.231.48.0/22
212.231.52.0/23
212.231.54.0/24
212.231.57.0/24
212.231.58.0/23
212.231.60.0/22
212.231.67.0/24
212.231.68.0/22
212.231.72.0/21
212.231.80.0/23
212.231.85.0/24
212.231.86.0/23
212.231.88.0/22
212.231.92.0/23
212.231.94.0/24
212.231.96.0/19
212.231.128.0/22
212.231.132.0/24
212.231.134.0/23
212.231.136.0/22
212.231.140.0/23
212.231.142.0/24
212.231.144.0/20
212.231.160.0/20
212.231.176.0/23
212.231.184.0/21
212.231.192.0/20
212.231.224.0/21
212.231.240.0/20
213.60.76.0/22
213.94.0.0/20
213.94.16.0/22
213.94.20.0/22
213.94.24.0/21
213.94.32.0/21
213.94.40.0/22
213.94.44.0/22
213.94.48.0/20
213.171.224.0/19
213.172.32.0/19
213.177.192.0/19
213.194.128.0/18
213.195.64.0/21
213.195.72.0/22
213.195.76.0/23
213.195.78.0/24
213.195.79.0/24
213.195.80.0/20
213.195.96.0/19
217.113.240.0/21
217.113.248.0/21
217.168.3.0/24
217.168.6.0/24
217.168.13.0/24
217.172.64.0/20

IPv6 prefixes

All 25 prefixes.

2a00:d100::/33
2a00:d100:8000::/35
2a00:d101::/34
2a00:d101:4000::/36
2a00:d102::/34
2a00:d102:4000::/35
2a00:d103::/35
2a00:d103:2000::/36
2a01:8480::/35
2a01:8480:2000::/47
2a01:8480:2002::/47
2a01:8480:2004::/46
2a01:8480:2008::/45
2a01:8480:2010::/44
2a01:8480:2020::/43
2a01:8480:2040::/42
2a01:8480:2080::/41
2a01:8480:2100::/40
2a01:8480:2200::/39
2a01:8480:2400::/38
2a01:8480:2800::/37
2a01:8480:3000::/36
2a01:8480:4000::/34
2a01:8480:8000::/33
2a11:1f40::/29

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources