AS15404 COLT Technology Services Group Limited details

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AS15404 – COLT Technology Services Group Limited

Field	Value
Country	United Kingdom
Website	colt.net
Hosted domains	1,609
Number of IPv4	152,064
Number of IPv6	84,187,176,226,323,546,468,188,684,288
ASN type	Hosting
Registry	ripe
Allocated	56 years ago on Jan 01, 1970
Updated	6 years ago on Nov 05, 2019

Netblock	Company	Num of IPs
161.17.0.0/16	Guy's and St Thomas' NHS Foundation Trust	65,536
194.59.96.0/19	Deutsches Patent- und Markenamt	8,192
62.85.160.0/19	Aconet Srl	8,192
148.188.0.0/20	Boehringer Ingelheim Pharmaceuticals, Inc.	4,096
148.188.192.0/20	Boehringer Ingelheim Pharmaceuticals, Inc.	4,096
193.29.144.0/20	Mahle Behr GmbH & Co.Kg	4,096
5.11.96.0/20	Postemobile S.p.A.	4,096
148.188.232.0/21	Boehringer Ingelheim Pharmaceuticals, Inc.	2,048
176.62.152.0/21	Poste Italiane S.p.A.	2,048
178.249.200.0/21	Poste Italiane S.p.A.	2,048
194.99.120.0/21	Mahle Behr GmbH & Co.Kg	2,048
37.32.80.0/21	Postemobile S.p.A.	2,048
148.188.224.0/22	Boehringer Ingelheim Pharmaceuticals, Inc.	1,024
185.212.156.0/22	The Finsbury Business Centre Ltd	1,024
185.29.96.0/22	Poste Italiane S.p.A.	1,024
185.8.120.0/22	Poste Italiane S.p.A.	1,024
193.8.64.0/22	P.O. Box 8036 Zurich	1,024
194.15.244.0/22	Hannover Rueck SE	1,024
129.35.20.0/23	Kyndryl	512
145.224.32.0/23	Condor Flugdienst GmbH	512
185.154.148.0/23	XQueue GmbH	512
185.60.76.0/23	Continental AG	512
193.176.112.0/23	Olaf Severin Geiss trading as Intersnack Group GmbH & Co. KG	512
193.176.114.0/23	Olaf Severin Geiss trading as Intersnack Group GmbH & Co. KG	512
193.177.180.0/23	HTM Personenvervoer N.V.	512
194.15.242.0/23	Hannover Rueck SE	512
202.252.108.0/23	Global Solution 2nd Office. IT Strategy & Digital Integration Division. Hitachi, Ltd.	512
77.74.158.0/23	Exide Technologies SAS	512
103.80.220.0/24	FIL Japan Holdings KK	256
103.80.221.0/24	FIL Japan Holdings KK	256
109.107.145.0/24	Konrad-Adenauer-Stiftung e.V. - ORG-KE81-RIPE	256
129.35.17.0/24	Kyndryl	256
129.35.85.0/24	Kyndryl	256
141.98.45.0/24	RWS GmbH	256
155.137.0.0/24	Leo Pharmaceutical Products	256
155.137.1.0/24	Leo Pharmaceutical Products	256
155.137.2.0/24	Leo Pharmaceutical Products	256
155.137.3.0/24	Leo Pharmaceutical Products	256
155.137.7.0/24	Leo Pharma A/S	256
156.118.0.0/24	IFP ENERGIES NOUVELLES EPIC	256
156.118.6.0/24	IFP ENERGIES NOUVELLES EPIC	256
156.118.8.0/24	IFP ENERGIES NOUVELLES EPIC	256
157.239.128.0/24	Cargill B.V.	256
157.239.129.0/24	Cargill B.V.	256
158.156.155.0/24	Caisse des Depots et Consignations	256
158.156.162.0/24	Caisse des Depots et Consignations	256
158.156.172.0/24	Caisse des Depots et Consignations	256
158.156.182.0/24	Caisse des Depots et Consignations	256
158.156.193.0/24	Caisse des Depots et Consignations	256
161.17.0.0/24	Guy's and St Thomas' NHS Foundation Trust	256
163.199.254.0/24	Nedbank Limited	256
170.200.251.0/24	The Interpublic Group of Companies, Inc.	256
170.200.252.0/24	The Interpublic Group of Companies, Inc.	256
170.200.253.0/24	The Interpublic Group of Companies, Inc.	256
170.248.142.0/24	Accenture LLP	256
170.251.108.0/24	Accenture LLP	256
170.252.84.0/24	Accenture LLP	256
170.252.85.0/24	Accenture LLP	256
170.252.86.0/24	Accenture LLP	256
176.119.201.0/24	VIASAT S.P.A.	256
185.134.140.0/24	First Network for Services	256
185.13.62.0/24	VOZITEL SL	256
185.140.104.0/24	SEFE Securing Energy for Europe GmbH	256
185.199.204.0/24	Zentrum fuer Sonnenenergie- und Wasserstoff-Forschung Baden Wuerttemberg	256
185.203.232.0/24	Market Pay Nordic & Baltic ApS	256
185.213.216.0/24	GROUPAMA ASSICURAZIONI S.P.A.	256
185.213.217.0/24	GROUPAMA ASSICURAZIONI S.P.A.	256
185.218.120.0/24	Engage Hub Ltd.	256
185.218.121.0/24	Engage Hub Ltd.	256
185.218.122.0/24	Engage Hub Ltd.	256
185.218.123.0/24	Engage Hub Ltd.	256
185.226.224.0/24	ALLFUNDS DIGITAL SL	256
185.234.136.0/24	Boerse Stuttgart GmbH	256
185.60.79.0/24	Continental AG	256
188.64.17.0/24	Official IP range SIRA HBG	256
188.64.18.0/24	Official IP range SIRA FFM	256
192.109.222.0/24	Germanischer Lloyd AG	256
192.228.1.0/24	Attends Healthcare Products, Inc.	256
192.228.2.0/24	Attends Healthcare Products, Inc.	256
192.228.3.0/24	Attends Healthcare Products, Inc.	256
192.232.64.0/24	Eastman Kodak Company	256
192.232.66.0/24	Eastman Kodak Company	256
192.31.22.0/24	SAS Institute, Inc.	256
192.76.161.0/24	Amt fuer Informations- und Kommunikationstechnik	256
193.102.174.0/24	RMS Radio Marketing Service GmbH & Co. KG	256
193.103.129.0/24	RMS Radio Marketing Service GmbH & Co. KG	256
193.135.254.0/24	Zuehlke Engineering AG	256
193.164.14.0/24	Athene, Odyssey Business Park	256
193.17.201.0/24	Hitachi Energy AG	256
193.178.140.0/24	Kantar SAS	256
193.200.191.0/24	Movianto UK Ltd	256
193.26.246.0/24	Sopra Steria SE	256
193.26.247.0/24	Sopra Steria SE	256
193.26.248.0/24	Sopra Steria SE	256
193.26.249.0/24	Sopra Steria SE	256
193.26.250.0/24	Sopra Steria SE	256
193.26.251.0/24	Sopra Steria SE	256
193.26.252.0/24	Sopra Steria SE	256
193.26.253.0/24	Sopra Steria SE	256
193.26.254.0/24	Sopra Steria SE	256
193.26.255.0/24	Sopra Steria SE	256
193.28.71.0/24	D-Trust GmbH	256
193.36.241.0/24	ALLEN OVERY SHEARMAN STERLING LLP	256
193.36.254.0/24	ALLEN OVERY SHEARMAN STERLING LLP	256
193.38.200.0/24	Co-operative Group Limited	256
193.46.62.0/24	Fielmann Group AG	256
193.47.140.0/24	Swissphone Wireless AG	256
193.53.174.0/24	BRUSSELS AIRPORT COMPANY S.A.	256
193.53.185.0/24	BRUSSELS AIRPORT COMPANY S.A.	256
193.53.186.0/24	BRUSSELS AIRPORT COMPANY S.A.	256
193.53.188.0/24	BRUSSELS AIRPORT COMPANY S.A.	256
193.53.190.0/24	BRUSSELS AIRPORT COMPANY S.A.	256
193.56.33.0/24	AIRBUS SAS	256
193.57.56.0/24	InfoVista SAS	256
193.58.6.0/24	Belgium	256
193.73.113.0/24	Zuehlke Engineering AG	256
193.97.184.0/24	OERAG, Duesseldorf	256
193.97.185.0/24	OERAG, Duesseldorf	256
193.97.186.0/24	OERAG, Duesseldorf	256
194.11.129.0/24	Manage Now GmbH	256
194.117.239.0/24	ESSENSYS (UK) Ltd.	256
194.126.242.0/24	Lupus alpha Asset Management AG	256
194.15.16.0/24	Reemtsma Cigarettenfabriken GmbH	256
194.15.18.0/24	Reemtsma Cigarettenfabriken GmbH	256
194.156.246.0/24	Producer of Cutlery, Pots and Pans, Big Coffee Machines	256
194.173.47.0/24	DATAGROUP Koeln GmbH	256
194.33.183.0/24	LIGS Ltd	256
194.37.85.0/24	PHOENIX International Holdings GmbH	256
194.37.87.0/24	PHOENIX International Holdings GmbH	256
194.39.220.0/24	Presse und Informationsamt der Bundesregierung	256
194.59.121.0/24	Deutsches Patent- und Markenamt	256
194.59.137.0/24	Centric Netherlands B.V.	256
194.59.139.0/24	Centric Netherlands B.V.	256
194.76.8.0/24	Hamburg	256
194.76.9.0/24	Hamburg	256
194.99.12.0/24	Gewerbezentrum Ricklinger Kreisel	256
195.149.76.0/24	Kassenaerztliche Bundesvereinigung	256
195.182.60.0/24	Helvetia Schweizerische Versicherungsgesellschaft AG	256
195.234.175.0/24	Amnesty International Limited	256
195.47.207.0/24	Athene, Odyssey Business Park	256
202.246.252.0/24	Global Solution 2nd Office. IT Strategy & Digital Integration Division. Hitachi, Ltd.	256
213.163.237.0/24	DGN Deutsches Gesundheitsnetz Service GmbH	256
45.129.69.0/24	Tite-Live-Belgique Ltd	256
46.28.212.0/24	Softonic International, S.A.	256
5.182.152.0/24	Hoffmann GmbH Qualitaetswerkzeuge	256
62.182.250.0/24	Genmab A/S	256
85.208.193.0/24	BEL SA	256
91.208.124.0/24	MARKS & CLERK LLP	256
91.209.87.0/24	Celanese International Corporation	256
91.212.245.0/24	IVU Traffic Technologies AG	256
91.213.110.0/24	LONDON BOROUGH OF TOWER HAMLETS	256
91.213.65.0/24	Gabinete do seceretario-Geral e Estrutruras Comuns ao SIED e ao SIS	256
91.213.68.0/24	CMS Hasche Sigle Partnerschaft von Rechtsanwalten und Steuerberatern	256
91.213.91.0/24	NEOFONIE GMBH	256
91.238.4.0/24	DEVK Deutsche Eisenbahn Versicherung Sach- und HUK-Versicherungsverein a.G. Betriebliche Sozialeinrichtung der Deutschen Bahn AG	256
91.244.125.0/24	Informatica GmbH	256

Netblock	Company
2a07:cb81::/32	Centric Netherlands B.V.
2a10:8802::/36	INTERPUBLIC GIS (UK) LTD
2001:67c:2ea0::/48	NEOFONIE GMBH
2001:67c:67c::/48	Deutsches Patent- und Markenamt
2a02:11f8:70::/48	Deutsches Patent- und Markenamt
2a0a:d6c0:145::/48	Konrad-Adenauer-Stiftung e.V.
2a0e:900:d001::/48	Hoffmann GmbH Qualitaetswerkzeuge
2a11:4d40::/48	Boehringer Ingelheim GmbH

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WHOIS Details

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                                                ASHandle:       AS15404
                                                OrgID:          AS15404
                                                ASName:         AS15404
                                                ASNumber:       AS15404
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 1,609 domain names hosted across 222 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
91.238.4.123	███████	343
192.76.161.80	██████████	176
62.85.163.191	██████████	73
193.29.155.60	██████████	64
185.226.224.132	██████████	59
91.238.4.134	██████████	56
194.76.8.20	██████████	53
45.129.69.135	██████████	48
91.213.68.13	██████████	42
213.163.237.9	██████████	39

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Peers

There is 1 peer for this ASN.

Peers	Name
AS8220	COLT Technology Services Group Limited

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Upstreams

There is 1 peer for this ASN.

upstreams	Name
AS8220	COLT Technology Services Group Limited

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Downstreams

There are no downstreams for this ASN.

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Pingable IPs

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

IP Address	ASN	Details
193.29.152.98	AS15404 COLT Technology Services Group Limited	`3.72ms` from Frankfurt am Main, DE
156.118.0.35	AS15404 COLT Technology Services Group Limited	`1.31ms` from Paris, FR
194.117.239.25	AS15404 COLT Technology Services Group Limited	`3.95ms` from Amsterdam, NL
62.85.163.225	AS15404 COLT Technology Services Group Limited	`4.18ms` from Arezzo, IT
62.85.189.7	AS15404 COLT Technology Services Group Limited	`4.15ms` from Arezzo, IT
185.213.216.254	AS15404 COLT Technology Services Group Limited	`4.95ms` from Arezzo, IT
185.60.76.9	AS15404 COLT Technology Services Group Limited	`0.82ms` from Frankfurt am Main, DE
194.59.119.131	AS15404 COLT Technology Services Group Limited	`6.10ms` from Vienna, AT
188.64.18.129	AS15404 COLT Technology Services Group Limited	`6.57ms` from Vienna, AT
62.85.168.3	AS15404 COLT Technology Services Group Limited	`5.51ms` from Arezzo, IT
91.213.68.1	AS15404 COLT Technology Services Group Limited	`1.74ms` from Berlin, DE
193.53.188.98	AS15404 COLT Technology Services Group Limited	`2.19ms` from Brussels, BE
185.203.232.15	AS15404 COLT Technology Services Group Limited	`1.21ms` from Copenhagen, DK
185.218.121.202	AS15404 COLT Technology Services Group Limited	`0.62ms` from London, GB
193.97.184.101	AS15404 COLT Technology Services Group Limited	`4.14ms` from Amsterdam, NL
170.252.85.180	AS15404 COLT Technology Services Group Limited	`13.71ms` from Frankfurt am Main, DE
185.218.122.3	AS15404 COLT Technology Services Group Limited	`1.72ms` from London, GB
158.156.162.3	AS15404 COLT Technology Services Group Limited	`2.01ms` from Paris, FR
193.17.201.78	AS15404 COLT Technology Services Group Limited	`2.97ms` from Zuerich, CH
91.213.91.40	AS15404 COLT Technology Services Group Limited	`1.61ms` from Berlin, DE
192.228.3.1	AS15404 COLT Technology Services Group Limited	`8.11ms` from Chicago, US
194.126.242.4	AS15404 COLT Technology Services Group Limited	`0.81ms` from Frankfurt am Main, DE
195.47.207.138	AS15404 COLT Technology Services Group Limited	`1.04ms` from London, GB
192.228.1.1	AS15404 COLT Technology Services Group Limited	`7.01ms` from Stockholm, SE
193.200.191.18	AS15404 COLT Technology Services Group Limited	`0.99ms` from Amsterdam, NL

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
178.208.115.28	AS198967 BITel Gesellschaft fuer Telekommunikation mbH	`6.81ms` from Amsterdam, NL
181.44.178.156	AS27747 Telecentro S.A.	`4.10ms` from Buenos Aires, AR
187.23.112.12	AS28573 Claro NXT Telecomunicacoes Ltda	`1.84ms` from Chapeco, BR
3.128.254.124	AS16509 Amazon.com, Inc.	`0.67ms` from Columbus, US
35.232.228.124	AS396982 Google LLC	`0.13ms` from Council Bluffs, US
45.184.8.12	AS269307 LIVENET SERVICOS DE COMUNICACAO MULTMIDIA LTDA ME	`0.36ms` from Fortaleza, BR
201.77.151.60	AS61601 Friends Provedor de Internet LTDA	`18.80ms` from Fortaleza, BR
173.174.131.236	AS11427 Charter Communications Inc	`6.70ms` from Houston, US
31.126.211.156	AS2856 British Telecommunications PLC	`2.34ms` from London, GB
5.104.53.12	AS59815 Kompeatelecom Ltd.	`15.42ms` from Moscow, RU
85.253.239.252	AS2586 Elisa Eesti AS	`5.38ms` from Tallinn, EE
210.169.212.188	AS4725 SoftBank Corp.	`2.67ms` from Tokyo, JP
117.153.94.60	AS9808 China Mobile Communications Group Co., Ltd.	`9.57ms` from Wuhan, CN
75.208.205.236	AS6167 Verizon Business	`16.20ms` from Atlanta, US
64.199.85.156	AS7029 Windstream Communications LLC	`7.08ms` from Dallas, US
213.201.217.108	AS197450 SUNUCUN BILGI ILETISIM TEKNOLOJILERI VE TICARET LIMITED SIRKETI	`0.28ms` from Istanbul, TR
190.235.169.140	AS6147 Telefonica del Peru S.A.A.	`1.07ms` from Lima, PE
95.236.247.156	AS3269 Telecom Italia S.p.A.	`5.35ms` from Milan, IT
90.78.94.92	AS3215 Orange S.A.	`7.06ms` from Paris, FR
44.209.3.108	AS14618 Amazon.com, Inc.	`0.19ms` from Reston, US
98.80.99.12	AS14618 Amazon.com, Inc.	`0.37ms` from Reston, US
194.36.24.60	AS6233 xTom	`0.14ms` from San Jose, US
36.38.215.220	AS9697 LG HelloVision Corp.	`12.73ms` from Seoul, KR
210.129.62.28	AS4694 IDC Frontier Inc.	`3.47ms` from Tokyo, JP
5.238.241.60	AS58224 Iran Telecommunication Company PJS	`17.44ms` from Yerevan, AM

Traceroute

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

traceroute -a -n -q1 -m5 161.17.105.76

traceroute to 161.17.105.76 (161.17.105.76): 5 hops max, 52 byte packets

1 [AS31898] 140.91.242.12 0.079 ms

2 [AS15802] 91.74.125.170 0.435 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Abu Dhabi, AE

On August 22nd 2025

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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 AS15404 at robtex.

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