AS15404 COLT Technology Services Group Limited

COLT Technology Services Group Limited

AS Number 15404

Registered on: 21 Jun 2000 (25 years old)
Registered to: uk.colt (ripe)

Network status: Active, Allocated under RIPE

Network type: Eyeball

Prefixes Originated: 153 IPv4, 10 IPv6

Upstreams

AS8220 - COLT
AS1419 - Selerity Financial, Inc.
AS21070 - TotalEnergies SE

Rankings

#41 for Estimated Eyeballs in United Kingdom

#205 for Unique Domains in United Kingdom

#33 for Originated IPv4 Space in United Kingdom

	Prefix	Description
	5.11.96.0/20	Poste Italiane S.p.A.
	5.182.152.0/24	-
	38.65.18.0/24	Cogent Communications, LLC
	45.129.69.0/24	Tite-Live-Belgique Ltd
	46.28.212.0/24	-
	51.64.34.0/24	UK Home Office (The Secretary of State for the Home D...
	51.64.35.0/24	UK Home Office (The Secretary of State for the Home D...
	62.85.160.0/19	Aconet Srl
	62.182.250.0/24	Genmab A/S
	77.74.158.0/23	Exide Technologies SAS
	85.208.193.0/24	-
	91.209.87.0/24	Celanese International Corporation
	91.212.245.0/24	IVU Traffic Technologies AG
	91.213.65.0/24	Gabinete do seceretario-Geral e Estrutruras Comuns ao...
	91.213.68.0/24	CMS Hasche Sigle Partnerschaft mbB
	91.213.91.0/24	NEOFONIE GMBH
	91.213.110.0/24	LONDON BOROUGH OF TOWER HAMLETS
	91.238.4.0/24	DEVK Deutsche Eisenbahn Versicherung Sach- und HUK-Ve...
	91.244.125.0/24	Informatica GmbH
	103.80.220.0/24	FIL Japan Holdings KK
	103.80.221.0/24	FIL Japan Holdings KK
	109.107.145.0/24	Konrad-Adenauer-Stiftung e.V. - ORG-KE81-RIPE
	129.35.17.0/24	Kyndryl
	129.35.20.0/23	Kyndryl
	129.35.85.0/24	Kyndryl
	139.138.235.0/24	Private Customer
	141.98.45.0/24	RWS GmbH
	148.188.0.0/20	Boehringer Ingelheim Pharmaceuticals, Inc.
	148.188.192.0/20	Boehringer Ingelheim Pharmaceuticals, Inc.
	148.188.224.0/22	Boehringer Ingelheim Pharmaceuticals, Inc.
	148.188.232.0/21	Boehringer Ingelheim Pharmaceuticals, Inc.
	155.137.0.0/24	Leo Pharmaceutical Products
	155.137.1.0/24	Leo Pharmaceutical Products
	155.137.2.0/24	Leo Pharmaceutical Products
	155.137.3.0/24	Leo Pharmaceutical Products
	155.137.7.0/24	Leo Pharma A/S
	156.118.0.0/24	IFP ENERGIES NOUVELLES EPIC
	156.118.6.0/24	-
	156.118.8.0/24	-
	157.239.128.0/24	Cargill B.V.
	157.239.129.0/24	Cargill B.V.
	158.156.155.0/24	Caisse des Depots et Consignations
	158.156.162.0/24	Caisse des Depots et Consignations
	158.156.172.0/24	Caisse des Depots et Consignations
	158.156.182.0/24	Caisse des Depots et Consignations
	158.156.193.0/24	Caisse des Depots et Consignations
	161.17.0.0/16	Guy's and St Thomas' NHS Foundation Trust
	161.17.0.0/24	Guy's and St Thomas' NHS Foundation Trust
	163.199.254.0/24	Nedbank Limited
	170.200.251.0/24	The Interpublic Group of Companies, Inc.
	170.200.252.0/24	The Interpublic Group of Companies, Inc.
	170.200.253.0/24	The Interpublic Group of Companies, Inc.
	170.248.142.0/24	Accenture LLP
	170.251.108.0/24	Accenture LLP
	170.252.84.0/24	Accenture LLP
	170.252.85.0/24	Accenture LLP
	170.252.86.0/24	Accenture LLP
	176.119.201.0/24	VIASAT S.P.A.
	178.249.200.0/21	Poste Italiane S.p.A.
	185.13.62.0/24	-
	185.60.76.0/23	Continental Tires internal network
	185.60.79.0/24	Assignment to OESL
	185.134.140.0/24	First Network for Services
	185.140.104.0/24	-
	185.154.148.0/23	-
	185.199.204.0/24	-
	185.203.232.0/24	-
	185.212.156.0/22	The Finsbury Business Centre Ltd
	185.213.216.0/24	-
	185.213.217.0/24	-
	185.218.120.0/24	-
	185.218.121.0/24	-
	185.218.122.0/24	Engage Hub Ltd.
	185.218.123.0/24	Engage Hub Ltd.
	185.226.224.0/24	-
	185.234.136.0/24	-
	188.64.17.0/24	-----BEGIN CERTIFICATE-----MIIDyzCCArOgAwIBAgIUApqMrB...
	188.64.18.0/24	-----BEGIN CERTIFICATE-----MIIDyzCCArOgAwIBAgIUApqMrB...
	188.64.19.0/24	-
	192.31.22.0/24	SAS Institute, Inc.
	192.76.161.0/24	Amt fuer Informations- und Kommunikationstechnik
	192.109.222.0/24	Germanischer Lloyd AG
	192.166.107.0/24	DekaBank Deutsche Girozentrale
	192.228.1.0/24	Attends Healthcare Products, Inc.
	192.228.2.0/24	Attends Healthcare Products, Inc.
	192.228.3.0/24	Attends Healthcare Products, Inc.
	192.232.64.0/24	Eastman Kodak Company
	192.232.66.0/24	Eastman Kodak Company
	193.8.64.0/22	P.O. Box 8036 Zurich
	193.26.246.0/24	Sopra Steria SE
	193.26.247.0/24	Sopra Steria SE
	193.26.248.0/24	Sopra Steria SE
	193.26.249.0/24	Sopra Steria SE
	193.26.250.0/24	Sopra Steria SE
	193.26.251.0/24	Sopra Steria SE
	193.26.252.0/24	Sopra Steria SE
	193.26.253.0/24	Sopra Steria SE
	193.26.254.0/24	Sopra Steria SE
	193.26.255.0/24	Sopra Steria SE
	193.28.71.0/24	D-Trust GmbH
	193.29.144.0/20	Mahle Behr GmbH & Co.Kg
	193.29.146.0/23	Mahle Behr GmbH & Co.Kg
	193.29.150.0/23	Mahle Behr GmbH & Co.Kg
	193.29.152.0/22	Mahle Behr GmbH & Co.Kg
	193.29.156.0/23	Mahle Behr GmbH & Co.Kg
	193.29.159.0/24	Mahle Behr GmbH & Co.Kg
	193.36.241.0/24	ALLEN OVERY SHEARMAN STERLING LLP
	193.36.254.0/24	ALLEN OVERY SHEARMAN STERLING LLP
	193.38.200.0/24	Co-operative Group Limited
	193.46.62.0/24	Fielmann Group AG
	193.47.140.0/24	Swissphone Wireless AG
	193.53.174.0/24	BRUSSELS AIRPORT COMPANY S.A.
	193.53.185.0/24	BRUSSELS AIRPORT COMPANY S.A.
	193.53.186.0/24	BRUSSELS AIRPORT COMPANY S.A.
	193.53.188.0/24	BRUSSELS AIRPORT COMPANY S.A.
	193.53.190.0/24	BRUSSELS AIRPORT COMPANY S.A.
	193.56.33.0/24	AIRBUS SAS
	193.57.56.0/24	InfoVista SAS
	193.58.6.0/24	Belgium
	193.73.113.0/24	Zuehlke Engineering AG
	193.102.79.0/24	AFB Parexel GmbH, Berlin
	193.102.174.0/24	RMS Radio Marketing Service GmbH & Co. KG
	193.103.129.0/24	RMS Radio Marketing Service GmbH & Co. KG
	193.135.254.0/24	Zuehlke Engineering AG
	193.164.14.0/24	Athene, Odyssey Business Park
	193.176.112.0/23	-
	193.176.114.0/23	-
	193.177.180.0/23	HTM Personenvervoer N.V.
	193.200.191.0/24	Movianto UK Ltd
	194.11.129.0/24	Manage Now GmbH
	194.15.16.0/24	Reemtsma Cigarettenfabriken GmbH
	194.15.18.0/24	Reemtsma Cigarettenfabriken GmbH
	194.15.242.0/23	Hannover Rueck SE
	194.15.244.0/22	Hannover Rueck SE
	194.33.183.0/24	LIGS Ltd
	194.39.220.0/24	Presse und Informationsamt der Bundesregierung
	194.59.96.0/19	Deutsches Patent- und Markenamt
	194.59.121.0/24	Deutsches Patent- und Markenamt
	194.59.137.0/24	-
	194.59.139.0/24	-
	194.76.8.0/24	Hamburg
	194.76.9.0/24	Hamburg
	194.99.12.0/24	Gewerbezentrum Ricklinger Kreisel
	194.99.120.0/21	Mahle Behr GmbH & Co.Kg
	194.117.239.0/24	-
	194.126.242.0/24	Lupus alpha Asset Management AG
	194.173.47.0/24	DATAGROUP Koeln GmbH
	195.47.207.0/24	Athene, Odyssey Business Park
	195.182.60.0/24	Helvetia Schweizerische Versicherungsgesellschaft AG
	195.234.175.0/24	Amnesty International Limited
	202.246.252.0/24	Global Solution 2nd Office. IT Strategy & Digital Int...
	202.252.108.0/23	Global Solution 2nd Office. IT Strategy & Digital Int...
	213.163.237.0/24	DGN Deutsches Gesundheitsnetz Service GmbH
	2001:678:274::/48	Performance Media Deutschland GmbH
	2001:67c:67c::/48	Deutsches Patent- und Markenamt
	2001:67c:2b20::/48	Prof. Dr. Michael Kliemt trading as KLIEMT Arbeitsrec...
	2001:67c:2ea0::/48	NEOFONIE GMBH
	2a02:11f8:70::/48	Deutsches Patent- und Markenamt
	2a07:cb81::/32	Centric Netherlands B.V.
	2a0a:d6c0:145::/48	Konrad-Adenauer-Stiftung e.V.
	2a0e:900:d001::/48	-
	2a10:8802::/36	-
	2a11:4d40::/48	Boehringer Ingelheim GmbH

ASN	Description	IPv4	IPv6
AS8220	COLT	✔	✔
AS1419	Selerity Financial, Inc.	✔	✘
AS21070	TotalEnergies SE	✔	✘

ASN	Description	IPv4	IPv6
AS8220	COLT	✔	✔
AS21070	TotalEnergies SE	✔	✘
AS1419	Selerity Financial, Inc.	✔	✘

	ASN	Description	IPv4	IPv6
	AS21070	TotalEnergies SE	✔	✘

aut-num:        AS15404
as-name:        UNSPECIFIED
import:         from AS8220 action pref=100; accept ANY
export:         to AS8220 announce AS15404
org:            ORG-CI9-RIPE
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
remarks:        COLT Internet SE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         COLT-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2019-11-05T14:32:24Z
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-CI9-RIPE
org-name:       COLT Technology Services Group Limited
country:        GB
org-type:       LIR
address:        Dummy address for ORG-CI9-RIPE
# Email removed, Log into bgp.tools to see whois emails/phone numbers
abuse-c:        CHM4-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        COLT-UK
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         COLT-UK
created:        2004-04-17T12:12:30Z
last-modified:  2026-05-13T07:30:22Z
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: 2026-06-09T03:23:41Z UTC

Member of the following AS-SETs

-	Member
RIPE	as8220:as-colthu
RIPE	as8220:as-coltfr
JPIRR	as2497:as-iij6
LEVEL3	as-level3-origins-eu
RIPE	as8220:as-colttr
RIPE	as8220:as-coltpl
RIPE	as-colt6
RIPE	as8220:as-coltau
RIPE	as8220:as-coltcz
RIPE	as8220:as-coltae
RIPE	as8220:as-coltat
RIPE	as8220:as-coltno
RIPE	as8220:as-colt-apac
RIPE	as8220:as-coltbg
RIPE	as8220:as-colteu
RIPE	as8220:as-coltsk
RADB	as2497:as-iij
RIPE	as8220:as-coltie
RIPE	as8220:as-colt
JPIRR	as-iij6
LEVEL3	as-lumen-customers-asns
RIPE	as8220:as-coltnl
RIPE	as8220:as-coltit
RIPE	as8220:as-coltjp
RADB	as-prole
RIPE	as8220:as-coltbe
RADB	as-iij6
RIPE	as8220:as-coltch
RIPE	as8220:as-coltna
RIPE	as8220:as-coltes
RADB	as198949:as-sd
JPIRR	as2497:as-iij
RIPE	as8220:as-coltse
RIPE	as-belbonemembers
RIPE	as-eunnl
RIPE	as8220:as-colthk
RADB	as-iij
RIPE	as8220:as-coltdk
RIPE	as8220:as-colt-oceania
RADB	as2497:as-iij6
RIPE	as-ibscust
RIPE	as8220:as-coltde
RIPE	as8220:as-coltfi
JPIRR	as-iij
RIPE	as8220:as-coltuk
RIPE	as8220:as-coltus
RIPE	as8220:as-coltpt
RIPE	as8220:as-coltca
RIPE	as8220:as-coltsg
RIPE	as8220:as-coltro
LEVEL3	as-level3-origins-na
RIPE	as-colt

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Member of the following AS-SETs