All ASNs

Autonomous System details for AS31655

AS31655

Gamma Telecom Holdings Ltd • gamma.co.uk

AS31655 — Gamma Telecom Holdings Ltd

AS Name

ASN-GammaTelecom

Country

United Kingdom (GB)

Website

gamma.co.uk

Number of IPv4

614,400

Number of IPv6

1.9 × 10³⁰

ASN type

ISP

Status

Allocated

Registry

RIPE

Allocated

July 02, 2004

Last updated

December 02, 2025

IP Ranges

36 IPv4 prefixes, 3 IPv6 prefixes

Prefix	Company	Number of IPs
5.2.96.0/19	Tele2 Internal	8,192
5.144.156.0/22	Options Chicago	1,024
46.227.48.0/21	Ingram Micro Distribution	2,048
51.52.0.0/16	Oracle Svenska AB	65,536
51.52.50.0/24	Kutumova Olena	256
51.219.0.0/16	Kutumova Olena	65,536
62.223.128.0/17	HOSTING-CHODOV Project	32,768
62.223.251.0/24	Bulent Aydin trading as Hostlayici	256
79.74.0.0/16	Kutumova Olena	65,536
80.252.64.0/20	HOSTING-CHODOV Project	4,096
88.215.0.0/18	HOSTING-CHODOV Project	16,384
89.213.8.0/21	HOSTING-CHODOV Project	2,048
89.213.16.0/20	HOSTING-CHODOV Project	4,096
89.213.32.0/21	Hosting Servers	2,048
92.207.0.0/16	Kutumova Olena	65,536
138.248.16.0/20	Kutumova Olena	4,096
138.248.32.0/20	Kutumova Olena	4,096
138.248.128.0/17	Megalan Network Ltd.	32,768
138.248.140.0/24	Megalan Network Ltd.	256
151.2.128.0/17	Kutumova Olena	32,768
151.2.128.0/22	Kutumova Olena	1,024
151.2.132.0/22	Kutumova Olena	1,024
151.2.136.0/22	Kutumova Olena	1,024
151.2.140.0/22	Kutumova Olena	1,024
157.125.0.0/16	Kutumova Olena	65,536
157.231.0.0/16	Kutumova Olena	65,536
164.39.128.0/17	Precision Machinery Research & Development Center	32,768
185.4.196.0/22	Oracle Svenska AB	1,024
185.9.232.0/22	Pawel Kosiorowski trading as RES.PL Kosiorowski, Wisniowski sp.j.	1,024
185.21.208.0/22	Tele2 Internal	1,024
185.47.104.0/22	Tkom Plus sro	1,024
185.157.103.0/24	Mewecom Italia spa	256
188.66.64.0/18	HOSTING-CHODOV Project	16,384
193.39.16.0/20	Namesco Ireland Hosting	4,096
195.162.96.0/19	HOSTING-CHODOV Project	8,192
213.218.192.0/20	HOSTING-CHODOV Project	4,096
2a02:c1c0::/29	HOSTING-CHODOV Project	6.34 × 10²⁹
2a02:df80::/29	VVV BUSINESS SOFTWARE GROUP, S.L.	6.34 × 10²⁹
2a04:4440::/29	Kutumova Olena	6.34 × 10²⁹

IP ranges are the different blocks of IP addresses advertised by an Autonomous System (AS). These ranges can be used by the same organization operating the AS, or by different organizations.

Peers of AS31655

31 peers

AS2119 AS4637 AS5413 AS6908 AS6939 AS8426 AS13030 AS14630 AS15692 AS18106 AS24482 AS25160 AS3170 AS4455 AS8220 AS8455 AS8943 AS24940 AS28792 AS48070 AS50300 AS51185 AS61049 AS31742 AS32590 AS35266 AS35280 AS39351 AS41811 AS49544 AS215638

AS31655 peers with these other Autonomous Systems.

Peering is a direct, often free, traffic exchange between Autonomous Systems (ASNs). They share routes only to their own networks and customers, making connections faster and cheaper for that specific traffic, without providing full internet access to each other.

Upstreams of AS31655

2 upstreams

AS2914 AS3356

AS31655 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS31655 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS31655

6 downstreams

AS8918 AS41553 AS198472 AS204193 AS205237 AS216167

AS31655 provides internet connectivity to these downstream Autonomous Systems.

A downstream is a customer Autonomous System that pays another AS (its provider) for internet access. The provider AS carries the downstream's traffic and makes its network reachable.