AS31655 ASN-GammaTelecom Gamma Telecom Holdings Ltd

ASN-GammaTelecom Gamma Telecom Holdings Ltd · registered in the United Kingdom

IPv4 addresses609,53652 prefixes · 0.019% of announced IPv4

Rank in United Kingdom#13largest network in GB by IPv4 space, of 2,074 · 0.90% of GB

Rank worldwide#500of 79,396 networks with IPv4

IPv624 x /32 (1,572,864 x /48)3 prefixes

CountryUnited Kingdom2,261 ASNs registered there

Open AS31655 in ASN lookup Look up an IP in this network (5.2.96.1) All networks in United Kingdom

IPv4 prefixes

All 52 prefixes, in address order.

5.2.96.0/19
5.144.156.0/22
46.227.48.0/21
51.52.0.0/19
51.52.32.0/20
51.52.48.0/23
51.52.50.0/24
51.52.51.0/24
51.52.52.0/22
51.52.56.0/21
51.52.64.0/18
51.52.128.0/17
51.219.0.0/16
62.223.128.0/18
62.223.192.0/19
62.223.224.0/20
62.223.240.0/21
62.223.248.0/22
62.223.252.0/22
79.74.0.0/16
80.252.64.0/20
88.215.0.0/18
89.213.8.0/21
89.213.16.0/20
89.213.32.0/21
92.207.0.0/16
138.248.16.0/20
138.248.32.0/20
138.248.128.0/21
138.248.136.0/22
138.248.140.0/24
138.248.141.0/24
138.248.142.0/23
138.248.144.0/20
138.248.160.0/19
138.248.192.0/18
151.2.128.0/20
151.2.144.0/20
151.2.160.0/19
151.2.192.0/18
157.125.0.0/16
157.231.0.0/16
164.39.128.0/17
185.4.196.0/22
185.9.232.0/22
185.21.208.0/22
185.47.104.0/22
185.157.103.0/24
188.66.64.0/18
193.39.16.0/20
195.162.96.0/19
213.218.192.0/20

IPv6 prefixes

All 3 prefixes.

2a02:c1c0::/29
2a02:df80::/29
2a04:4440::/29

Similar-sized networks in United Kingdom

ASNNameIPv4 addresses

AS8426#10 CLARANET-AS Claranet Limited904,704

AS5413#11 Wavenet-AS5413 Wavenet Limited732,416

AS5400#12 BT British Telecommunications Limited713,472

AS206067#14 H3GUK Hutchison 3G UK Limited529,152

AS13037#15 ZEN-AS Zen Internet Ltd527,616

AS3300#16 BT British Telecommunications Limited513,280

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