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	Prefix	Description
	45.149.241.0/24	Central Technology Ltd
	94.156.96.0/24	Central Technology Ltd
	94.156.186.0/24	Central Technology Ltd
	109.69.232.0/21	Central Technology Ltd
	185.191.84.0/22	Central Technology Ltd
	2a00:1ba8::/32	Central Technology Ltd

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✔
	AS2914	NTT America, Inc.	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✔
	AS2914	NTT America, Inc.	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS6461	Zayo Bandwidth	✔	✔
	AS137409	GSL Networks Pty LTD	✔	✘
	AS25091	IP-Max SA	✔	✔
	AS34927	iFog GmbH	✔	✔
	AS33891	Core-Backbone GmbH	✔	✔
	AS6204	INTERKVM HOST SRL	✔	✔
	AS20562	Open Peering (Broadband Hosting B.V.)	✔	✔
	AS34549	meerfarbig GmbH & Co. KG	✔	✔
	AS61049	Exascale Ltd	✔	✔
	AS7195	EdgeUno	✔	✔
	AS24940	Hetzner Online GmbH	✔	✔
	AS52025	ParadoxNetworks Limited	✔	✔
	AS3214	xTom GmbH	✔	✔
	AS3170	VeloxServ Communications Ltd	✔	✔
	AS52320	V.tal (GlobeNet)	✔	✔
	AS207841	Inferno Communications Ltd	✔	✔
	AS55850	Mercury NZ Limited	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS49600	NEAR IP, S.L.	✔	✔
	AS39351	31173 Services AB	✔	✘
	AS12552	GlobalConnect (IP-Only)	✔	✔
	AS200052	Feral.io Ltd	✔	✘
	AS29075	IELO-LIAZO SERVICES SAS	✔	✔
	AS399728	P Foundation	✔	✘
	AS37468	Angola Cables	✔	✔
	AS52075	Wifirst S.A.S.	✔	✔
	AS37497	Network Platforms (PTY) LTD	✔	✘
	AS35280	F5 Networks SARL	✔	✔
	AS34309	Link11 GmbH	✔	✔
	AS215638	Cilix Limited	✔	✔
	AS1828	Unitas Global	✔	✔
	AS48070	DSM (GB) Limited	✔	✔
	AS15412	Flag Telecom UK Limited	✔	✘
	AS6424	EDGOO NETWORKS	✔	✔
	AS24482	SG.GS	✔	✔
	AS30844	Liquid Intelligent Technologies	✔	✔
	AS64049	Reliance Jio Infocomm Pte. Ltd.	✔	✘
	AS44355	Colocation Ltd	✔	✘
	AS37100	SEACOM Limited	✔	✔
	AS4651	The Communications Authority of Thailand (CAT)	✔	✔
	AS6661	POST Luxembourg	✔	✔
	AS50304	Blix Solutions AS	✔	✔
	AS63927	RISE	✔	✔
	AS9498	Bharti Airtel Ltd.	✔	✘
	AS207960	AS207960 Cyfyngedig	✔	✘
	AS20473	The Constant Company, LLC	✔	✔
	AS44684	Mythic Beasts Ltd	✔	✔
	AS8801	Rocket Fibre Ltd	✔	✔
	AS48362	Stadtwerke Feldkirch	✔	✔
	AS7575	Australian Academic and Research Network (AARNet)	✔	✔
	AS328748	Agile Solutions Provider (PTY) LTD	✔	✔
	AS48101	Trooli Ltd.	✔	✔
	AS41000	Freethought Internet Limited	✔	✔
	AS39122	Blacknight Internet Solutions Limited	✔	✔
	AS212027	PebbleHost Ltd	✔	✔
	AS42831	UK Dedicated Servers Limited	✔	✔
	AS399486	Virtuo	✔	✘
	AS37662	West Indian Ocean Cable Company (WIOCC)	✔	✘
	AS57344	Telehouse EAD	✔	✘
	AS34087	NTE TELEKOM AS	✔	✘
	AS215955	ALTEASYSTEMS OU	✔	✘
	AS34177	CELESTE SAS	✔	✘
	AS5398	Internet one SRL	✔	✘
	AS45701	PT Internet Madju Abad Milenindo	✔	✘
	AS209768	white2net Srl	✔	✘
	AS215759	Ziax Ltd	✔	✘
	AS29017	NTT Data Centers (Gyron)	✔	✘
	AS53062	ALT | GRUPO BRASIL TECPAR	✔	✘
	AS25160	Vorboss Limited	✔	✔
	AS36236	NetActuate, Inc	✔	✔
	AS25369	Hydra Communications Ltd	✔	✔
	AS15830	Equinix, Inc.	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS28283	Adyl Telecom	✔	✔
	AS56595	Fluency Communications Ltd	✔	✔
	AS786	Jisc Services Limited	✔	✔
	AS47638	Cadence Networks Ltd	✔	✔
	AS201838	Community Fibre Limited	✔	✔
	AS42295	TBISS Ltd	✔	✔
	AS42689	Glide Student & Residential Limited	✔	✔
	AS61231	Neos Networks (SSE PLC)	✔	✔
	AS38158	PT Cyberindo Aditama	✔	✔
	AS20764	CJSC RASCOM	✔	✔
	AS213241	TECHIT.BE SRL	✔	✔
	AS212655	YouFibre Limited	✔	✔
	AS31500	Global Network Management Inc	✔	✔
	AS215248	Bastiaan Mathijs Brink	✔	✔
	AS56665	Proximus Luxembourg S.A.	✔	✔
	AS212683	Olilo UK & Ireland Ltd	✔	✔
	AS13009	Redcentric Solutions Ltd	✔	✘
	AS62217	Vinters IT Ltd	✔	✘
	AS13237	euNetworks GmbH	✔	✘
	AS41495	Faelix Limited	✔	✘
	AS54309	NEGU	✔	✘
	AS28792	Public Internet Ltd	✔	✘
	AS5713	Telkom SA Ltd.	✔	✘
	AS132337	Axclusive	✔	✘
	AS41230	ASK4 Limited	✔	✘
	AS36994	Vodacom	✔	✘
	AS16637	MTN SA (Bayobab)	✔	✘
	AS1239	Sprint Wireline (Cogent)	✔	✘
	AS6206	Netrouting B.V.	✔	✘
	AS3216	Vimpelcom PJSC	✔	✘
	AS4455	IX Reach Ltd	✔	✘
	AS48825	Fast2host - Fast4networks Ltd	✔	✘
	AS60171	AFR-IX TELECOM S.A.	✔	✘
	AS55818	Matrix Cable Internet Exchange	✔	✘
	AS1031	PEER 1031 LLC	✔	✘
	AS206735	Novelcomm LP	✘	✔
	AS3462	HiNet (Chunghwa Telecom)	✘	✔
	AS35297	Dataline LLC	✘	✔
	AS37721	Virtual Technologies & Solutions	✘	✔
	AS20326	TeraSwitch Networks Inc.	✘	✔
	AS47927	WIFIWEB s.r.l.	✘	✔

aut-num:        AS57653
as-name:        CTL-AS
org:            ORG-CTL23-RIPE
import:         from AS39326 accept ANY
import:         from AS31727 accept ANY
export:         to AS39326 announce AS57653
export:         to AS31727 announce AS57653
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-CTL
created:        2011-12-29T10:26:42Z
last-modified:  2017-11-15T12:23:33Z
source:         RIPE
remarks:        ****************************
remarks:        * THIS OBJECT IS MODIFIED
remarks:        * Please note that all data that is generally regarded as personal
remarks:        * data has been removed from this object.
remarks:        * To view the original object, please query the RIPE Database at:
remarks:        * http://www.ripe.net/whois
remarks:        ****************************


organisation:   ORG-CTL23-RIPE
org-name:       Central Technology Ltd
country:        GB
org-type:       LIR
address:        Dummy address for ORG-CTL23-RIPE
# Email removed, Log into bgp.tools to see whois emails
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-CTL
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-CTL
abuse-c:        CTLA1-RIPE
created:        2009-10-14T12:25:19Z
last-modified:  2020-12-16T13:27:35Z
source:         RIPE
remarks:        ****************************
remarks:        * THIS OBJECT IS MODIFIED
remarks:        * Please note that all data that is generally regarded as personal
remarks:        * data has been removed from this object.
remarks:        * To view the original object, please query the RIPE Database at:
remarks:        * http://www.ripe.net/whois
remarks:        ****************************

Last Update: 2025-12-22T03:24:51Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RIPE	as-goscomb-v6	515
NTTCOM	as2914:as-europe-v6	77498
RIPE	as-goscomb	470
NTTCOM	as2914:as-europe	77855
RIPE	as-node4	28
RIPE	as-ctl	1