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 2,847
IPv4 addresses 609,536
IPv6 addresses 1,901,475,900,342,344,102,245,054,808,064
ASN type ISP
Registry ripe
Allocated 22 years ago on Jul 02, 2004
Updated a month 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 2,847 domain names hosted across 669 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 ██████████ 160
157.231.167.31 ██████████ 144
157.231.167.37 ██████████ 103
157.231.167.36 ██████████ 92
157.231.167.35 ██████████ 63
157.231.167.34 ██████████ 55
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 Gamma Telecom Holdings Ltd
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 Gamma Telecom Holdings Ltd
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

1,901 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
157.231.187.97 AS31655 Gamma Telecom Holdings Ltd 0.87ms from London, GB
5.2.119.113 AS31655 Gamma Telecom Holdings Ltd 1.35ms from London, GB
138.248.210.40 AS31655 Gamma Telecom Holdings Ltd 0.41ms from London, GB
51.219.107.14 AS31655 Gamma Telecom Holdings Ltd 0.54ms from London, GB
51.219.230.152 AS31655 Gamma Telecom Holdings Ltd 3.30ms from London, GB
51.219.1.200 AS31655 Gamma Telecom Holdings Ltd 4.37ms from London, GB
157.125.127.74 AS31655 Gamma Telecom Holdings Ltd 10.21ms from London, GB
195.162.120.5 AS31655 Gamma Telecom Holdings Ltd 1.21ms from London, GB
213.218.194.198 AS31655 Gamma Telecom Holdings Ltd 0.42ms from London, GB
51.52.213.10 AS31655 Gamma Telecom Holdings Ltd 3.52ms from London, GB
157.125.162.82 AS31655 Gamma Telecom Holdings Ltd 0.43ms from London, GB
51.219.238.234 AS31655 Gamma Telecom Holdings Ltd 6.38ms from London, GB
92.207.163.137 AS31655 Gamma Telecom Holdings Ltd 1.10ms from London, GB
51.219.55.21 AS31655 Gamma Telecom Holdings Ltd 3.50ms from London, GB
51.52.10.153 AS31655 Gamma Telecom Holdings Ltd 0.73ms from London, GB
51.219.130.49 AS31655 Gamma Telecom Holdings Ltd 4.02ms from London, GB
92.207.30.26 AS31655 Gamma Telecom Holdings Ltd 3.52ms from London, GB
51.52.138.159 AS31655 Gamma Telecom Holdings Ltd 0.58ms from London, GB
51.52.185.121 AS31655 Gamma Telecom Holdings Ltd 1.00ms from London, GB
92.207.73.242 AS31655 Gamma Telecom Holdings Ltd 5.68ms from London, GB
138.248.137.37 AS31655 Gamma Telecom Holdings Ltd 4.48ms from London, GB
51.219.128.164 AS31655 Gamma Telecom Holdings Ltd 4.13ms from London, GB
138.248.230.57 AS31655 Gamma Telecom Holdings Ltd 0.99ms from London, GB
138.248.249.121 AS31655 Gamma Telecom Holdings Ltd 0.90ms from London, GB
92.207.188.200 AS31655 Gamma Telecom Holdings Ltd 0.42ms 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
140.143.233.119 AS45090 Shenzhen Tencent Computer Systems Company Limited 1.98ms from Beijing, CN
40.162.24.39 AS58593 Shanghai Blue Cloud Technology Co.,Ltd 6.47ms from Beijing, CN
112.44.194.215 AS9808 China Mobile Communications Group Co., Ltd. 6.46ms from Chengdu, CN
97.83.125.215 AS20115 Charter Communications LLC 10.83ms from Chicago, US
118.70.88.119 AS18403 FPT Telecom Company 5.33ms from Hanoi, VN
178.122.241.119 AS6697 Republican Unitary Telecommunication Enterprise Beltelecom 1.63ms from Minsk, BY
103.212.18.167 AS132956 V NET NETWORKS PVT LTD 3.19ms from Mumbai, IN
13.234.243.215 AS16509 Amazon.com, Inc. 0.16ms from Mumbai, IN
163.182.148.7 AS18616 Natural Wireless, LLC 0.78ms from New York City, US
179.125.187.119 AS28649 Desktop Sigmanet Comunicação Multimídia SA 2.49ms from Osasco, BR
15.188.244.183 AS16509 Amazon.com, Inc. 0.12ms from Paris, FR
83.113.67.7 AS3215 Orange S.A. 11.64ms from Paris, FR
2.12.42.39 AS3215 Orange S.A. 9.38ms from Paris, FR
218.212.175.135 AS55430 Starhub Ltd 2.22ms from Singapore, SG
85.196.168.231 AS41782 BGLAN LTD 0.59ms from Sofia, BG
122.191.210.167 AS4837 CHINA UNICOM China169 Backbone 8.91ms from Wuhan, CN
194.29.4.183 AS6730 Sunrise GmbH 0.83ms from Zuerich, CH
184.15.237.199 AS5650 Frontier Communications of America, Inc. 7.57ms from Ashburn, US
153.33.19.55 AS23473 PAVLOV MEDIA INC 5.24ms from Atlanta, US
73.100.161.71 AS7922 Comcast Cable Communications, LLC 8.51ms from Boston, US
14.185.103.103 AS45899 VNPT Corp 8.13ms from Da Nang, VN
52.209.232.7 AS16509 Amazon.com, Inc. 0.21ms from Dublin, IE
88.14.35.183 AS3352 TELEFONICA DE ESPANA S.A.U. 8.23ms from Madrid, ES
20.94.222.119 AS8075 Microsoft Corporation 0.32ms from Quincy, US
63.195.29.103 AS7018 AT&T Enterprises, LLC 6.27ms from Redding, US

Traceroute

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

$
traceroute -a -n -q1 -m5 79.74.43.36
traceroute to 79.74.43.36 (79.74.43.36): 5 hops max, 52 byte packets
1 [AS208450] 45.136.59.1 9.785 ms
3 *
4 *
5 *
Measurement taken from IPinfo ProbeNet in Aktau, KZ
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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