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 1,901,475,900,342,344,100,000,000,000,000
ASN type ISP
Registry ripe
Allocated 22 years ago on Jul 02, 2004
Updated 5 months 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 669 IP addresses on this ASN.

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IP Address Domain Domains on this IP
157.231.167.30 ██████████ 1,065
5.2.118.138 ██████████ 448
157.231.167.38 ██████████ 167
157.231.167.31 ██████████ 119
157.231.167.37 ██████████ 86
157.231.167.36 ██████████ 81
157.231.167.35 ██████████ 59
157.231.167.34 ██████████ 58
51.52.252.228 ██████████ 23
92.207.184.78 ██████████ 18

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Peers

There are 44 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
AS215638 Cilix Limited
AS216167 Gamma Telecom Holdings Ltd
AS24482 SG.GS
AS24940 Hetzner Online GmbH
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
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

1,920 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
157.125.9.82 AS31655 Gamma Telecom Holdings Ltd 2.03ms from Erith, GB
157.125.82.136 AS31655 Gamma Telecom Holdings Ltd 3.11ms from Erith, GB
157.231.172.201 AS31655 Gamma Telecom Holdings Ltd 1.09ms from Erith, GB
51.219.73.49 AS31655 Gamma Telecom Holdings Ltd 1.21ms from Erith, GB
92.207.233.25 AS31655 Gamma Telecom Holdings Ltd 1.02ms from Erith, GB
51.52.211.179 AS31655 Gamma Telecom Holdings Ltd 3.34ms from Erith, GB
5.144.157.63 AS31655 Gamma Telecom Holdings Ltd 1.07ms from Erith, GB
151.2.198.131 AS31655 Gamma Telecom Holdings Ltd 3.32ms from Erith, GB
138.248.205.153 AS31655 Gamma Telecom Holdings Ltd 1.11ms from Erith, GB
157.231.126.47 AS31655 Gamma Telecom Holdings Ltd 1.17ms from Erith, GB
157.125.146.255 AS31655 Gamma Telecom Holdings Ltd 1.07ms from London, GB
157.231.40.22 AS31655 Gamma Telecom Holdings Ltd 3.64ms from London, GB
185.21.211.129 AS31655 Gamma Telecom Holdings Ltd 2.93ms from London, GB
164.39.180.232 AS31655 Gamma Telecom Holdings Ltd 0.40ms from London, GB
157.231.186.33 AS31655 Gamma Telecom Holdings Ltd 1.41ms from London, GB
195.162.125.2 AS31655 Gamma Telecom Holdings Ltd 7.72ms from London, GB
157.231.168.199 AS31655 Gamma Telecom Holdings Ltd 1.40ms from London, GB
51.52.148.161 AS31655 Gamma Telecom Holdings Ltd 1.06ms from London, GB
157.125.113.230 AS31655 Gamma Telecom Holdings Ltd 6.15ms from London, GB
51.219.76.34 AS31655 Gamma Telecom Holdings Ltd 0.98ms from London, GB
89.213.34.41 AS31655 Gamma Telecom Holdings Ltd 3.62ms from London, GB
164.39.223.120 AS31655 Gamma Telecom Holdings Ltd 0.42ms from London, GB
157.231.72.121 AS31655 Gamma Telecom Holdings Ltd 1.88ms from London, GB
80.252.67.173 AS31655 Gamma Telecom Holdings Ltd 3.30ms from London, GB
89.213.16.94 AS31655 Gamma Telecom Holdings Ltd 7.52ms 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
73.219.205.23 AS7922 Comcast Cable Communications, LLC 11.34ms from Boston, US
190.1.97.247 AS13585 Power VT S.A. 9.58ms from Cordoba, AR
75.19.98.183 AS7018 AT&T Enterprises, LLC 9.03ms from Dallas, US
79.208.234.199 AS3320 Deutsche Telekom AG 5.87ms from Frankfurt am Main, DE
162.221.231.71 AS18712 Everfast Fiber Networks LLC 1.41ms from Kansas City, US
105.172.124.39 AS37119 UNITEL SA 1.31ms from Luanda, AO
31.23.236.215 AS12389 PJSC Rostelecom 16.60ms from Moscow, RU
37.41.225.87 AS28885 OmanTel NAP 3.62ms from Muscat, OM
201.123.235.151 AS8151 UNINET 9.16ms from Santiago de Queretaro, MX
77.116.210.87 AS25255 ==> TELE2 AUSTRIA <== 11.46ms from Vienna, AT
3.33.223.231 AS16509 Amazon.com, Inc. 0.04ms from Bangkok, TH
216.177.12.55 AS10367 Fibercast Corporation 5.44ms from Boston, US
34.78.212.231 AS396982 Google LLC 0.13ms from Brussels, BE
197.51.30.87 AS8452 TE-AS 8.35ms from Cairo, EG
3.249.240.103 AS16509 Amazon.com, Inc. 0.22ms from Dublin, IE
107.4.67.247 AS7922 Comcast Cable Communications, LLC 10.90ms from Flint, US
122.174.70.119 AS24560 Bharti Airtel Ltd., Telemedia Services 1.96ms from Hyderabad, IN
144.139.90.7 AS1221 Telstra Limited 1.99ms from Melbourne, AU
153.215.106.231 AS4713 NTT DOCOMO BUSINESS,Inc. 9.89ms from Osaka, JP
82.56.195.7 AS3269 Telecom Italia S.p.A. 15.66ms from Rome, IT
133.242.243.7 AS7684 SAKURA Internet Inc. 16.31ms from Tokyo, JP
213.165.82.215 AS8560 IONOS SE 0.61ms from Berlin, DE
13.59.161.7 AS16509 Amazon.com, Inc. 0.15ms from Columbus, US
209.105.164.247 AS6461 Zayo Bandwidth 3.35ms from Denver, US
2.220.153.135 AS5607 Sky UK Limited 4.99ms from London, GB

Traceroute

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

$
traceroute -a -n -q1 -f3 -m15 157.125.1.67
traceroute to 157.125.1.67 (157.125.1.67): 15 hops max, 52 byte packets
4 [AS9002] 87.245.246.86 0.209 ms
5 *
6 [AS2914] 83.231.214.76 9.137 ms
7 [AS2914] 129.250.4.174 9.432 ms
8 [AS2914] 129.250.3.12 19.722 ms
9 [AS2914] 129.250.6.113 19.866 ms
10 [AS2914] 81.25.207.22 19.557 ms
11 [AS31655] 138.248.18.8 26.449 ms
12 [AS31655] 88.215.62.9 26.963 ms
13 *
14 *
15 *
Measurement taken from IPinfo ProbeNet in Brno, CZ
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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