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AS31655

AS31655 is Gamma Telecom Holdings Ltd.

Last updated 3 Nov 2026 from DB-IP ASN Lite (2026-11-01) and RIR statistics (3 Nov 2026)

Short answer

AS31655 belongs to Gamma Telecom Holdings Ltd. DB-IP Lite attributes 609,536 IPv4 addresses in 26 ranges and 3 IPv6 ranges to it, all or nearly all of the IPv4 space in United Kingdom. The number is registered with RIPE NCC in United Kingdom on 2 Jul 2004.

Facts for AS31655
Operator (DB-IP)Gamma Telecom Holdings Ltd
IPv4 addresses609,536
IPv4 ranges26
IPv6 ranges3
RegistryRIPE NCC
Registered2 Jul 2004
Registry countryUnited Kingdom (GB)

Does it publish a geofeed?

We haven’t checked this network’s registry records for a geofeed yet. The Truth Check looks for one live for any address you test.

Shared addresses (CGNAT)

Gamma Telecom Holdings Ltd hasn’t been documented as using carrier-grade NAT in a source we could check. To see whether your own connection is behind it, compare your router’s address on the CGNAT check.

IPv6

DB-IP lists 3 IPv6 ranges for AS31655, so customers can get IPv6 addresses, which databases place separately from IPv4.

Where its IPv4 space is used, according to DB-IP

GB100%

Share of the network’s IPv4 addresses by DB-IP Country Lite. IP Geolocation by DB-IP.

IP ranges

RangeAs CIDRAddresses
5.2.96.0 – 5.2.127.2555.2.96.0/198,192
5.144.156.0 – 5.144.159.2555.144.156.0/221,024
46.227.48.0 – 46.227.55.25546.227.48.0/212,048
51.52.0.0 – 51.52.255.25551.52.0.0/1665,536
51.219.0.0 – 51.219.255.25551.219.0.0/1665,536
62.223.128.0 – 62.223.255.25562.223.128.0/1732,768
79.74.0.0 – 79.74.255.25579.74.0.0/1665,536
80.252.64.0 – 80.252.79.25580.252.64.0/204,096
88.215.0.0 – 88.215.63.25588.215.0.0/1816,384
89.213.8.0 – 89.213.39.25589.213.8.0/21, 89.213.16.0/20 …8,192
92.207.0.0 – 92.207.255.25592.207.0.0/1665,536
138.248.16.0 – 138.248.47.255138.248.16.0/20, 138.248.32.0/208,192
138.248.128.0 – 138.248.255.255138.248.128.0/1732,768
151.2.128.0 – 151.2.255.255151.2.128.0/1732,768
157.125.0.0 – 157.125.255.255157.125.0.0/1665,536
157.231.0.0 – 157.231.255.255157.231.0.0/1665,536
164.39.128.0 – 164.39.255.255164.39.128.0/1732,768
185.4.196.0 – 185.4.199.255185.4.196.0/221,024
185.9.232.0 – 185.9.235.255185.9.232.0/221,024
185.21.208.0 – 185.21.211.255185.21.208.0/221,024
185.47.104.0 – 185.47.107.255185.47.104.0/221,024
185.157.103.0 – 185.157.103.255185.157.103.0/24256
188.66.64.0 – 188.66.127.255188.66.64.0/1816,384
193.39.16.0 – 193.39.31.255193.39.16.0/204,096
195.162.96.0 – 195.162.127.255195.162.96.0/198,192
213.218.192.0 – 213.218.207.255213.218.192.0/204,096
2a02:c1c0:: – 2a02:c1c7:ffff:ffff:ffff:ffff:ffff:ffff2a02:c1c0::/29IPv6
2a02:df80:: – 2a02:df87:ffff:ffff:ffff:ffff:ffff:ffff2a02:df80::/29IPv6
2a04:4440:: – 2a04:4447:ffff:ffff:ffff:ffff:ffff:ffff2a04:4440::/29IPv6
Showing 26 of 26 IPv4 and 3 of 3 IPv6 ranges All ranges (CSV)

IP Geolocation by DB-IP, ASN Lite, CC BY 4.0.

Using an address from this network? See which sources agree on where it is.

Sources

  1. DB-IP IP to ASN Lite (CC BY 4.0) · checked 3 Nov 2026
  2. NRO RIR delegated-extended statistics · checked 4 Nov 2026