ASN AS39602 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS39602?

AS39602 is listed under The Cent.re Group Limited.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS39602 The Cent.re Group Limited

The Cent.re Group Limited tcg.net.uk

GB 5 Routes

AS Data

AS39602

AS39602 – The Cent.re Group Limited

AS Number	39602
AS Name	TCG-AS
Organization	The Cent.re Group Limited (org-tcgl5-ripe)
Country	GB
Website	tcg.net.uk
Number of IPv4 Routes	4
Number of IPv6 Routes	1
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2006-03-23

ASN Intelligence API for production workflows

Use ASN data for AS39602 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
195.210.39.0/24	AS39602	The Cent.re Group Limited	The Cent.re Group Limited	256
195.210.38.0/23	AS39602	The Cent.re Group Limited	The Cent.re Group Limited	512
109.71.76.0/24	AS39602	The Cent.re Group Limited	The Cent.re Group Limited	256
195.210.38.0/24	AS39602	The Cent.re Group Limited	The Cent.re Group Limited	256
2a0c:3340::/29	AS39602	The Cent.re Group Limited	The Cent.re Group Limited	~634×10²⁷

Raw Whois Response

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS39601 - AS39935'

as-block:       AS39601 - AS39935
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2023-08-29T07:47:54Z
last-modified:  2023-08-29T07:47:54Z
source:         RIPE

% Information related to 'AS39602'

% Abuse contact for 'AS39602' is 'abuse@tcg.net.uk'

aut-num:        AS39602
as-name:        TCG-AS
org:            ORG-TCGL5-RIPE
descr:          The Cent.re Group Limited
remarks:        Transit: GTT
import:         from AS3257 accept ANY
export:         to AS3247 announce AS-TCG
remarks:        Transit: Arelion
import:         from AS1299 accept ANY
export:         to AS1299 announce AS-TCG
descr:          Customer: AS209609
export:         to AS209609 announce ANY
import:         from AS209609 accept AS-TCG
descr:          Customer: AS215387
export:         to AS215387 announce ANY
import:         from AS215387 accept AS215387
descr:          Customer: AS215252
export:         to AS215252 announce ANY
import:         from AS215252 accept AS215252
admin-c:        TA7549-RIPE
tech-c:         TA7549-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         mnt-uk-tcg-1
created:        2006-03-23T16:33:13Z
last-modified:  2025-06-27T12:45:37Z
source:         RIPE # Filtered

organisation:   ORG-TCGL5-RIPE
org-name:       The Cent.re Group Limited
country:        GB
reg-nr:         11742292
org-type:       LIR
address:        CAI Building, Coble Dene
address:        NE29 6DE
address:        North Shields
address:        UNITED KINGDOM
phone:          +44 191 695 1000
admin-c:        TA7549-RIPE
tech-c:         TA7549-RIPE
abuse-c:        AR60534-RIPE
mnt-ref:        mnt-uk-tcg-1
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         mnt-uk-tcg-1
created:        2020-06-22T10:19:22Z
last-modified:  2026-05-13T07:41:35Z
source:         RIPE # Filtered

role:           TCG
address:        CAI Building, Coble Dene
address:        NE29 6DE
address:        North Shields
address:        UNITED KINGDOM
phone:          +44 191 695 1000
nic-hdl:        TA7549-RIPE
mnt-by:         mnt-uk-tcg-1
created:        2020-06-22T10:19:21Z
last-modified:  2020-06-22T10:19:21Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.124.1 (DEXTER)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS39601 - AS39935",
    "description" : [ "RIPE NCC ASN block" ],
    "remarks" : [ "These AS Numbers are assigned to network operators in the RIPE NCC service region." ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT" ],
    "date_created" : "2023-08-29",
    "date_updated" : "2023-08-29",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS39602",
    "as_name" : "TCG-AS",
    "description" : [ "The Cent.re Group Limited", "Customer: AS209609", "Customer: AS215387", "Customer: AS215252" ],
    "status" : "ASSIGNED",
    "import" : [ "from AS3257 accept ANY", "from AS1299 accept ANY", "from AS209609 accept AS-TCG", "from AS215387 accept AS215387", "from AS215252 accept AS215252" ],
    "export" : [ "to AS3247 announce AS-TCG", "to AS1299 announce AS-TCG", "to AS209609 announce ANY", "to AS215387 announce ANY", "to AS215252 announce ANY" ],
    "organization" : "ORG-TCGL5-RIPE",
    "admin_contacts" : [ "TA7549-RIPE" ],
    "tech_contacts" : [ "TA7549-RIPE" ],
    "remarks" : [ "Transit: GTT", "Transit: Arelion" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "mnt-uk-tcg-1" ],
    "date_created" : "2006-03-23",
    "date_updated" : "2025-06-27",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-TCGL5-RIPE",
    "name" : "The Cent.re Group Limited",
    "type" : "LIR",
    "address" : [ "CAI Building, Coble Dene", "NE29 6DE", "North Shields", "UNITED KINGDOM" ],
    "street" : "Coble Dene",
    "city" : "North Shields",
    "zip_code" : "NE29 6DE",
    "country" : [ "GB" ],
    "phone" : [ "+44 191 695 1000" ],
    "admin_contacts" : [ "TA7549-RIPE" ],
    "tech_contacts" : [ "TA7549-RIPE" ],
    "abuse_contacts" : [ "AR60534-RIPE" ],
    "mnt_ref" : [ "mnt-uk-tcg-1" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "mnt-uk-tcg-1" ],
    "date_created" : "2020-06-22",
    "date_updated" : "2026-05-13",
    "source" : "RIPE",
    "addressCountry" : "UNITED KINGDOM"
  },
  "administrative_contacts" : [ {
    "handle" : "TA7549-RIPE",
    "name" : "TCG",
    "address" : [ "CAI Building, Coble Dene", "NE29 6DE", "North Shields", "UNITED KINGDOM" ],
    "street" : "Coble Dene",
    "city" : "North Shields",
    "zip_code" : "NE29 6DE",
    "country" : "UNITED KINGDOM",
    "phone" : [ "+44 191 695 1000" ],
    "mnt_by" : [ "mnt-uk-tcg-1" ],
    "date_created" : "2020-06-22",
    "date_updated" : "2020-06-22",
    "source" : "RIPE",
    "addressCountry" : "UNITED KINGDOM"
  } ],
  "technical_contacts" : [ {
    "handle" : "TA7549-RIPE",
    "name" : "TCG",
    "address" : [ "CAI Building, Coble Dene", "NE29 6DE", "North Shields", "UNITED KINGDOM" ],
    "street" : "Coble Dene",
    "city" : "North Shields",
    "zip_code" : "NE29 6DE",
    "country" : "UNITED KINGDOM",
    "phone" : [ "+44 191 695 1000" ],
    "mnt_by" : [ "mnt-uk-tcg-1" ],
    "date_created" : "2020-06-22",
    "date_updated" : "2020-06-22",
    "source" : "RIPE",
    "addressCountry" : "UNITED KINGDOM"
  } ]
}

Peers

AS Number	Description	Country
AS12552	GlobalConnect AB	SE
AS28792	Public Internet Ltd	GB
AS51907	Kanton Zug	CH
AS35266	EX Networks Limited	GB
AS286	GTT Communications Inc.	US
AS38880	Micron21 Datacentre Pty Ltd	AU
AS198150	SIACOM JSC	GE
AS14537	Continent 8 LLC	US
AS45352	IP ServerOne Solutions Sdn Bhd	MY
AS267256	ONETIS TECNOLOGIA LTDA	BR
AS31500	Global Network Management Inc	AG
AS37468	Angola Cables	AO
AS47957	Worldline IGSA SA	FR
AS34288	Kantonsschule Zug	CH
AS58511	Anycast Holdings Pty Ltd	AU
AS37497	Network Platforms PTY LTD	ZA
AS53062	GGNET TELECOMUNICACOES LTDA	BR
AS206735	Novelcomm LP	GR
AS58453	China Mobile International Limited	HK
AS13237	euNetworks GmbH	DE
AS14840	BR.Digital Telecom	BR
AS32590	Valve Corporation	US
AS41811	CONVERGENCE GROUP NETWORKS LIMITED	GB
AS12735	TurkNet Iletisim Hizmetleri A.S.	TR
AS20804	Exatel S.A.	PL
AS60602	Inovare Prim SRL	MD
AS8801	Rocket Fibre Ltd	GB
AS42473	ANEXIA Internetdienstleistungs GmbH	AT
AS1031	PEER 1031 LLC	US
AS15412	Global Cloud Xchange	GB
AS1299	Arelion Sweden AB	SE
AS1828	Unitas Global	US
AS999	CORIX NETWORKS	US
AS3257	GTT Communications Inc.	US
AS37282	Main one Cable Company Nigeria Limited	NG
AS21215	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd	RS
AS263152	MIGO TELECOM	BR
AS12741	Netia SA	PL
AS63927	RISE ASIA TECHNOLOGY LIMITED	PH
AS23106	AMERICAN TOWER DO BRASIL COMUNICAÇÃO MULTIMÍDIA LT	BR
AS14630	Invesco Group Services, Inc.	US
AS132337	AXCLUSIVE PTE. LTD.	SG
AS34177	Celeste SAS	FR
AS37680	Cool Ideas Service Provider Pty Ltd	ZA
AS52025	ParadoxNetworks Limited	GB
AS4455	IX Reach Ltd	GB
AS37100	SEACOM Limited	MU
AS24940	Hetzner Online GmbH	DE
AS39120	Convergenze S.p.A.	IT
AS215387	Adrian Fretwell	GB
AS12969	Ljosleidarinn ehf	IS
AS52075	Wifirst S.A.S.	FR
AS17639	Converge ICT Solutions Inc.	PH
AS13030	Init7 Switzerland Ltd.	CH
AS41327	Fiber Telecom S.p.A.	IT
AS35280	F5 Networks SARL	FR
AS20562	Broadband Hosting B.V.	NL
AS49544	i3D.net B.V	NL
AS199081	Lancom Ltd.	GR
AS62167	Tismi BV	NL

Upstreams

AS Number	Description	Country
AS21215	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd	RS
AS12552	GlobalConnect AB	SE
AS7195	EDGEUNO S.A.S	CO
AS34927	iFog GmbH	CH
AS39351	31173 Services AB	SE
AS6204	ZET.NET IP Transit	RO
AS25091	IP Max SA	CH
AS6939	Hurricane Electric LLC	US
AS286	GTT Communications Inc.	US
AS22356	Durand do Brasil Ltda	BR
AS34177	Celeste SAS	FR
AS37468	Angola Cables	AO
AS60171	AFR IX TELECOM S.A.	ES
AS15802	Emirates Integrated Telecommunications Company PJSC	AE
AS4455	IX Reach Ltd	GB
AS37497	Network Platforms PTY LTD	ZA
AS37100	SEACOM Limited	MU
AS3216	PJSC Vimpelcom	RU
AS29075	IELO LIAZO SERVICES SAS	FR
AS50304	Blix Solutions AS	NO
AS1267	WIND TRE S.P.A.	IT
AS5405	Inter.link GmbH	DE
AS13030	Init7 Switzerland Ltd.	CH
AS41327	Fiber Telecom S.p.A.	IT
AS3214	xTom GmbH	DE
AS12779	IT.Gate S.p.A.	IT
AS3741	NTT DATA Inc, Infrastructure Solutions, CORE, MEA	ZA
AS35280	F5 Networks SARL	FR
AS7575	Australian Academic and Research Network	AU
AS1031	PEER 1031 LLC	US
AS15412	Global Cloud Xchange	GB
AS1299	Arelion Sweden AB	SE
AS3257	GTT Communications Inc.	US
AS215638	Cilix Limited	GB
AS9044	BSE Software GmbH	CH
AS37282	Main one Cable Company Nigeria Limited	NG
AS34549	meerfarbig GmbH & Co. KG	DE

Downstreams

AS Number	Description	Country
AS215252	Lantec Services Ltd	GB

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