Autonomous System details

AS31655

Gamma Telecom Holdings Ltd  ·  gamma.co.uk

United Kingdom

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AS31655 – Gamma Telecom Holdings Ltd

Field Value
Country United Kingdom
Website gamma.co.uk
Hosted domains 2,846
IPv4 addresses 609,536
IPv6 addresses 1,901,475,900,342,344,102,245,054,808,064
ASN type ISP
Registry ripe
Allocated 21 years ago on Jul 02, 2004
Updated 14 days ago on Dec 02, 2025

IP Ranges

Netblock Company Num of IPs
51.52.0.0/16 Gamma Telecom Limited 65,536
51.219.0.0/16 Gamma Telecom Limited 65,536
79.74.0.0/16 Gamma Telecom Limited 65,536
92.207.0.0/16 Gamma Telecom Limited 65,536
157.125.0.0/16 Gamma Telecom Limited 65,536
157.231.0.0/16 Gamma Telecom Limited 65,536
62.223.128.0/17 Gamma Telecom Holdings Ltd 32,768
138.248.128.0/17 Gamma Telecom Limited 32,768
151.2.128.0/17 Gamma Telecom Limited 32,768
164.39.128.0/17 Gamma Telecom Limited 32,768
88.215.0.0/18 Gamma Telecom Holdings Ltd 16,384
188.66.64.0/18 Gamma Telecom Holdings Ltd 16,384
5.2.96.0/19 Gamma Telecom Holdings Ltd 8,192
195.162.96.0/19 Gamma Telecom Holdings Ltd 8,192
80.252.64.0/20 Gamma Telecom Holdings Ltd 4,096
89.213.16.0/20 Gamma Telecom DSL Services 4,096
138.248.16.0/20 Gamma Telecom Limited 4,096
138.248.32.0/20 Gamma Telecom Limited 4,096
193.39.16.0/20 The Guinness Partnership 4,096
213.218.192.0/20 Gamma Telecom Holdings Ltd 4,096
46.227.48.0/21 Gamma Network Solution Limited 2,048
89.213.8.0/21 Gamma Telecom DSL Services 2,048
89.213.32.0/21 Gamma Telecom Holdings Ltd 2,048
5.144.156.0/22 Gamma Telecom Holdings Ltd 1,024
151.2.128.0/22 Gamma Telecom Limited 1,024
151.2.132.0/22 Gamma Telecom Limited 1,024
151.2.136.0/22 Gamma Telecom Limited 1,024
151.2.140.0/22 Gamma Telecom Limited 1,024
185.4.196.0/22 Gamma Telecom Holdings Ltd 1,024
185.9.232.0/22 Gamma Business Communications Limited 1,024
185.21.208.0/22 Gamma Telecom Holdings Ltd 1,024
185.47.104.0/22 Gamma Network Solution Limited 1,024
51.52.50.0/24 Gamma Telecom Limited 256
62.223.251.0/24 Gamma Telecom Holdings Ltd 256
138.248.140.0/24 Gamma Telecom Limited 256
185.157.103.0/24 ALDI International Services SE & Co. oHG 256

Netblock Company
2a02:c1c0::/29 Gamma Telecom Holdings Ltd
2a02:df80::/29 Gamma Business Communications Limited
2a04:4440::/29 Gamma Telecom Limited
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WHOIS Details

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                                                ASHandle:       AS31655
                                                OrgID:          AS31655
                                                ASName:         AS31655
                                                ASNumber:       AS31655
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 2,846 domain names hosted across 670 IP addresses on this ASN.

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IP Address Domain Domains on this IP
157.231.167.30 ██████████ 1,064
5.2.118.138 ██████████ 448
157.231.167.38 ██████████ 163
157.231.167.31 ██████████ 143
157.231.167.37 ██████████ 102
157.231.167.36 ██████████ 88
157.231.167.35 ██████████ 63
157.231.167.34 ██████████ 58
51.52.252.228 ██████████ 48
92.207.184.78 ██████████ 23

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Peers

There are 43 peers for this ASN.

Peers Name
AS13030 Init7 (Switzerland) Ltd.
AS14630 Invesco Group Services, Inc.
AS15692 Razorblue Ltd
AS15802 Emirates Integrated Telecommunications Company PJSC
AS18106 Viewqwest Pte Ltd
AS198472 Manchester City Council
AS204193 Pragma Cloud Limited
AS205237 SAVILLS PLC
AS2119 Telenor Norge AS
AS216167 Gamma Telecom Holdings Ltd
AS24482 SG.GS
AS25160 Vorboss Limited
AS25369 Hydra Communications Ltd
AS28792 Public Internet Ltd
AS2914 NTT America, Inc.
AS3170 VeloxServ Communications Ltd
AS31742 Sotaconnect Network
AS32590 Valve Corporation
AS3356 Level 3 Parent, LLC
AS35266 EX Networks Limited
AS35280 F5 Networks SARL
AS36236 NetActuate, Inc
AS39351 31173 Services AB
AS41553 Reed Specialist Recruitment Limited
AS41811 CONVERGENCE (GROUP NETWORKS) LIMITED
AS4455 IX Reach Ltd
AS4637 Telstra Global
AS48070 DSM (GB) Limited
AS49544 i3D.net B.V
AS49600 NEAR IP, S.L.
AS50300 CustodianDC Limited
AS51185 MainStreaming SpA
AS5413 Wavenet Limited
AS61049 Exascale Ltd
AS6908 Datahop - Six Degrees
AS6939 Hurricane Electric LLC
AS8220 COLT Technology Services Group Limited
AS8426 ClaraNET LTD
AS8455 atom86 BV
AS8918 Coolwave Communications Limited
AS8943 Jump Networks Ltd
AS8966 EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC
AS9009 M247 Europe SRL
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ASN API & Database

Upstreams

There are 2 upstreams for this ASN.

upstreams Name
AS2914 NTT America, Inc.
AS3356 Level 3 Parent, LLC
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ASN API & Database

Downstreams

There are 6 downstreams for this ASN.

Downstreams Name
AS198472 Manchester City Council
AS204193 Pragma Cloud Limited
AS205237 SAVILLS PLC
AS216167 Gamma Telecom Holdings Ltd
AS41553 Reed Specialist Recruitment Limited
AS8918 Coolwave Communications Limited
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ASN API & Database

Pingable IPs

1,894 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
151.2.158.11 AS31655 Gamma Telecom Holdings Ltd 2.65ms from Erith, GB
92.207.39.8 AS31655 Gamma Telecom Holdings Ltd 0.34ms from London, GB
51.52.233.209 AS31655 Gamma Telecom Holdings Ltd 3.07ms from London, GB
213.218.194.248 AS31655 Gamma Telecom Holdings Ltd 0.44ms from London, GB
157.231.230.9 AS31655 Gamma Telecom Holdings Ltd 0.77ms from London, GB
157.231.160.153 AS31655 Gamma Telecom Holdings Ltd 1.18ms from London, GB
51.52.181.174 AS31655 Gamma Telecom Holdings Ltd 0.49ms from London, GB
92.207.79.188 AS31655 Gamma Telecom Holdings Ltd 2.91ms from London, GB
157.125.10.89 AS31655 Gamma Telecom Holdings Ltd 1.37ms from London, GB
195.162.113.13 AS31655 Gamma Telecom Holdings Ltd 2.96ms from London, GB
151.2.200.177 AS31655 Gamma Telecom Holdings Ltd 0.43ms from London, GB
51.219.206.193 AS31655 Gamma Telecom Holdings Ltd 0.58ms from London, GB
92.207.184.25 AS31655 Gamma Telecom Holdings Ltd 0.86ms from London, GB
138.248.158.191 AS31655 Gamma Telecom Holdings Ltd 3.55ms from London, GB
157.125.135.113 AS31655 Gamma Telecom Holdings Ltd 1.51ms from London, GB
157.125.145.25 AS31655 Gamma Telecom Holdings Ltd 1.05ms from London, GB
92.207.113.1 AS31655 Gamma Telecom Holdings Ltd 3.00ms from London, GB
157.125.223.65 AS31655 Gamma Telecom Holdings Ltd 0.98ms from London, GB
92.207.69.58 AS31655 Gamma Telecom Holdings Ltd 3.50ms from London, GB
92.207.218.246 AS31655 Gamma Telecom Holdings Ltd 4.25ms from London, GB
164.39.202.236 AS31655 Gamma Telecom Holdings Ltd 3.30ms from London, GB
138.248.215.118 AS31655 Gamma Telecom Holdings Ltd 0.42ms from London, GB
157.125.194.224 AS31655 Gamma Telecom Holdings Ltd 0.63ms from London, GB
164.39.180.190 AS31655 Gamma Telecom Holdings Ltd 0.45ms from London, GB
164.39.168.89 AS31655 Gamma Telecom Holdings Ltd 0.47ms from London, GB

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
47.135.215.103 AS20115 Charter Communications LLC 11.12ms from Atlanta, US
81.165.131.183 AS6848 Telenet BV 5.86ms from Brussels, BE
162.172.1.215 AS21928 T-Mobile USA, Inc. 16.70ms from Chicago, US
112.111.35.7 AS4837 CHINA UNICOM China169 Backbone 10.81ms from Fuzhou, CN
110.136.175.199 AS7713 PT Telekomunikasi Indonesia 9.65ms from Jakarta, ID
212.85.239.119 AS198144 COMUNICACIONES RONDA, S.L. 10.31ms from Madrid, ES
71.230.179.215 AS7922 Comcast Cable Communications, LLC 7.28ms from Piscataway, US
54.243.104.119 AS14618 Amazon.com, Inc. 0.22ms from Reston, US
13.56.186.215 AS16509 Amazon.com, Inc. 0.14ms from San Jose, US
210.206.218.71 AS3786 LG DACOM Corporation 6.78ms from Seoul, KR
18.244.81.247 AS16509 Amazon.com, Inc. 0.21ms from Sofia, BG
34.82.204.135 AS396982 Google LLC 0.15ms from The Dalles, US
97.223.223.87 AS6167 Verizon Business 10.29ms from Chicago, US
200.124.164.7 AS270277 Nexus Telecom 2.85ms from Joao Pessoa, BR
178.166.227.119 AS12389 PJSC Rostelecom 0.87ms from Krasnoyarsk, RU
176.104.23.7 AS41435 UnderNet LLC 1.28ms from Kyiv, UA
79.27.203.151 AS3269 Telecom Italia S.p.A. 7.35ms from Milan, IT
183.141.119.87 AS4134 CHINANET-BACKBONE 6.58ms from Ningbo, CN
73.129.2.231 AS7922 Comcast Cable Communications, LLC 6.29ms from Reston, US
5.97.33.135 AS3269 Telecom Italia S.p.A. 2.23ms from Rome, IT
177.141.171.71 AS28573 Claro NXT Telecomunicacoes Ltda 5.75ms from Sao Paulo, BR
158.247.250.135 AS20473 The Constant Company, LLC 0.18ms from Seoul, KR
14.63.85.103 AS4766 Korea Telecom 1.15ms from Seoul, KR
59.1.1.119 AS4766 Korea Telecom 4.33ms from Seoul, KR
193.80.180.7 AS8447 A1 Telekom Austria AG 11.17ms from Vienna, AT

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

$
traceroute -a -n -q1 -m5 79.74.236.243
traceroute to 79.74.236.243 (79.74.236.243): 5 hops max, 52 byte packets
3 *
4 *
5 *
Measurement taken from IPinfo ProbeNet in Cardiff, GB
On

Related Networks

What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS31655 at robtex.

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