Summary

Country
GB United Kingdom
Organization Colt Technology Services Group Limited
Domain colt.net
Number of IPv4 142,848
Number of IPv6 1.6372× 1029
AS Type ISP
Registry RIPE NCC
Allocated January 01, 1970 (about 55 years ago)
Updated November 05, 2019 (about 4 years ago)

IP Ranges

AS15404 announces 151 IPv4 ranges and 9 IPv6 ranges.

That's a total of 142,848 IPv4 addresses and 1.6372× 1029 IPv6 addresses.

Prefix Organization Size Registry Status
5.11.96.0/20
IT Postemobile S.P.A.
4,096 RIPE NCC ASSIGNED PA
5.182.152.0/24
DE HOGNET-C
256 RIPE NCC ASSIGNED PA
37.32.80.0/21
IT Postemobile S.P.A.
2,048 RIPE NCC ASSIGNED PA
45.129.69.0/24
BE Tite-live-belgique LTD
256 RIPE NCC ALLOCATED PA
45.134.96.0/22
DE Hans-jurgen Schulze Tast Trading AS Experis IT Services GmbH & Co. Kg.
1,024 RIPE NCC ALLOCATED PA
46.28.212.0/24
ES OFFICE-NETWORK
256 RIPE NCC ASSIGNED PA
57.190.60.0/24
CH Societe Internationale De Telecommunications Aeronautiques
256 RIPE NCC LEGACY
62.85.160.0/19
IT Core Network of Aconet SRL
8,192 RIPE NCC ASSIGNED PA
62.182.250.0/24
DK Genmab A/s
256 RIPE NCC ASSIGNED PI
85.208.193.0/24
FR FR-BEL-NET2
256 RIPE NCC LIR-PARTITIONED PA
91.208.124.0/24
GB MARKS & CLERK LLP
256 RIPE NCC ASSIGNED PI
91.209.87.0/24
DE Celanese International Corporation
256 RIPE NCC ALLOCATED PA
91.212.113.0/24
DE Bayerische Boerse Aktiengesellschaft
256 RIPE NCC ASSIGNED PI
91.212.245.0/24
DE Ivu Traffic Technologies AG
256 RIPE NCC ASSIGNED PI
91.213.65.0/24
PT Gabinete Do Seceretario-geral E Estrutruras Comuns Ao Sied E Ao Sis
256 RIPE NCC ASSIGNED PI
91.213.68.0/24
DE Cms Hasche Sigle Partnerschaft Von Rechtsanwalten Und Steuerberatern
256 RIPE NCC ASSIGNED PI
91.213.91.0/24
DE NEOFONIE GMBH
256 RIPE NCC ASSIGNED PI
91.213.110.0/24
GB LONDON BOROUGH OF TOWER HAMLETS
256 RIPE NCC ASSIGNED PI
91.238.4.0/24
DE Devk Deutsche Eisenbahn Versicherung Sach- Und Huk-versicherungsverein A.G. Betriebliche Sozialeinrichtung Der Deutschen Bahn AG
256 RIPE NCC ALLOCATED PA
91.244.125.0/24
DE Informatica GmbH
256 RIPE NCC ASSIGNED PI
103.80.220.0/24
JP Fil Japan Holdings KK
256 APNIC ALLOCATED NON-PORTABLE
103.80.221.0/24
JP Fil Japan Holdings KK
256 APNIC ALLOCATED NON-PORTABLE
103.246.73.0/24
JP Closip Inc.
256 JPNIC
109.107.145.0/24
DE Konrad-adenauer-stiftung E.V.
256 RIPE NCC ASSIGNED PA
129.35.17.0/24
US Kyndryl
256 ARIN ALLOCATION
129.35.20.0/23
US Kyndryl
512 ARIN ALLOCATION
129.35.27.0/24
US Kyndryl
256 ARIN ALLOCATION
129.35.85.0/24
US Kyndryl
256 ARIN ALLOCATION
141.98.45.0/24
DE Rws GmbH
256 RIPE NCC ASSIGNED PA
145.224.32.0/23
DE Condor Flugdienst GmbH
512 RIPE NCC LEGACY
149.249.0.0/21
DE Bilfinger Se
2,048 RIPE NCC LEGACY
155.137.0.0/24
DK Leo Pharmaceutical Products
256 RIPE NCC LEGACY
155.137.1.0/24
DK Leo Pharmaceutical Products
256 RIPE NCC LEGACY
155.137.2.0/24
DK Leo Pharmaceutical Products
256 RIPE NCC LEGACY
155.137.3.0/24
DK Leo Pharmaceutical Products
256 RIPE NCC LEGACY
155.137.7.0/24
DK Leo Pharma A/s
256 RIPE NCC LEGACY
156.118.0.0/24
FR IFP ENERGIES NOUVELLES EPIC
256 RIPE NCC LEGACY
156.118.6.0/24
FR IFPENNETD
256 RIPE NCC LEGACY
156.118.8.0/24
FR IFPENNETE
256 RIPE NCC LEGACY
157.239.128.0/24
NL Cargill B.V.
256 RIPE NCC LEGACY
157.239.129.0/24
NL Cargill B.V.
256 RIPE NCC LEGACY
161.17.0.0/16
GB Guy's And St Thomas' Nhs Foundation Trust
65,536 RIPE NCC LEGACY
161.17.0.0/24
GB Guy's And St Thomas' Nhs Foundation Trust
256 RIPE NCC LEGACY
163.199.254.0/24
ZA Nedbank Limited
256 AFRINIC ASSIGNED PI
170.200.251.0/24
US The Interpublic Group of Companies, Inc.
256 ARIN ALLOCATION
170.200.252.0/24
US The Interpublic Group of Companies, Inc.
256 ARIN ALLOCATION
170.200.253.0/24
US The Interpublic Group of Companies, Inc.
256 ARIN ALLOCATION
170.248.142.0/24
US Accenture LLP
256 ARIN ALLOCATION
170.251.108.0/24
US Accenture LLP
256 ARIN ALLOCATION
170.252.84.0/24
US Accenture LLP
256 ARIN ALLOCATION
170.252.85.0/24
US Accenture LLP
256 ARIN ALLOCATION
170.252.86.0/24
US Accenture LLP
256 ARIN ALLOCATION
176.62.152.0/21
IT Postemobile S.P.A.
2,048 RIPE NCC ASSIGNED PA
176.119.201.0/24
IT VIASATNET
256 RIPE NCC ASSIGNED PA
178.249.200.0/21
IT Postemobile S.P.A.
2,048 RIPE NCC ASSIGNED PA
185.8.120.0/22
IT IT-POSTEMOBILE
1,024 RIPE NCC ASSIGNED PA
185.29.96.0/22
IT Postemobile S.P.A.
1,024 RIPE NCC ASSIGNED PA
185.134.140.0/24
IT First Network for Services
256 RIPE NCC ASSIGNED PA
185.140.104.0/24
DE SEFE-DC-N15-LAN
256 RIPE NCC ASSIGNED PA
185.154.148.0/23
DE DE-XQ-COLT
512 RIPE NCC ASSIGNED PA
185.199.204.0/24
DE ZSW-StEP
256 RIPE NCC ASSIGNED PA
185.201.220.0/24
GB trv-uk
256 RIPE NCC ASSIGNED PA
185.203.232.0/24
DK COLT-MANAGED-SUBNET
256 RIPE NCC SUB-ALLOCATED PA
185.203.235.0/24
DK COLT-TMP-SUBNET
256 RIPE NCC SUB-ALLOCATED PA
185.212.156.0/22
GB FBC-S
1,024 RIPE NCC ASSIGNED PA
185.213.216.0/24
IT RM-Groupama
256 RIPE NCC ASSIGNED PA
185.213.217.0/24
IT RM-Groupama-Public
256 RIPE NCC ASSIGNED PA
185.218.120.0/24
IE CLIENT-NETWORK-IE
256 RIPE NCC ASSIGNED PA
185.218.121.0/24
GB CORPORATE-NETWORK
256 RIPE NCC ASSIGNED PA
185.218.122.0/24
GB Engage Hub Ltd.
256 RIPE NCC ALLOCATED PA
185.218.123.0/24
GB Engage Hub Ltd.
256 RIPE NCC ALLOCATED PA
185.226.224.0/24
CH ATARDECER-CH
256 RIPE NCC ASSIGNED PA
185.234.136.0/24
DE DE-BOERSE-STGT-I
256 RIPE NCC ASSIGNED PA
188.64.17.0/24
DE Official Ip Range Sira Hbg
256 RIPE NCC ASSIGNED PA
188.64.18.0/24
DE Official Ip Range Sira Ffm
256 RIPE NCC ASSIGNED PA
192.31.22.0/24
US SAS Institute, Inc.
256 ARIN ALLOCATION
192.76.161.0/24
DE Amt Fuer Informations- Und Kommunikationstechnik
256 RIPE NCC LEGACY
192.109.81.0/24
DE Ibm Deutschland GmbH
256 RIPE NCC ASSIGNED PI
192.109.222.0/24
DE Germanischer Lloyd AG
256 RIPE NCC LEGACY
192.232.64.0/24
US Eastman Kodak Company
256 ARIN ALLOCATION
192.232.66.0/24
US Eastman Kodak Company
256 ARIN ALLOCATION
193.8.64.0/22
CH Fides Treasury Services AG
1,024 RIPE NCC ASSIGNED PI
193.16.245.0/24
DE Kuehlhaus AG
256 RIPE NCC ASSIGNED PI
193.17.201.0/24
CH Hitachi Energy Switzerland AG
256 RIPE NCC ASSIGNED PI
193.26.246.0/24
DE Sopra Steria Se
256 RIPE NCC ASSIGNED PI
193.26.247.0/24
DE Sopra Steria Se
256 RIPE NCC ASSIGNED PI
193.26.248.0/24
DE Sopra Steria Se
256 RIPE NCC ASSIGNED PI
193.26.249.0/24
DE Sopra Steria Se
256 RIPE NCC ASSIGNED PI
193.26.250.0/24
DE Sopra Steria Se
256 RIPE NCC ASSIGNED PI
193.26.251.0/24
DE Sopra Steria Se
256 RIPE NCC ASSIGNED PI
193.26.252.0/24
DE Sopra Steria Se
256 RIPE NCC ASSIGNED PI
193.26.253.0/24
DE Sopra Steria Se
256 RIPE NCC ASSIGNED PI
193.26.254.0/24
DE Sopra Steria Se
256 RIPE NCC ASSIGNED PI
193.26.255.0/24
DE Sopra Steria Se
256 RIPE NCC ASSIGNED PI
193.29.144.0/20
DE Mahle Behr GmbH & Co.kg
4,096 RIPE NCC ASSIGNED PI
193.33.245.0/24
GB Aah Pharmaceuticals LTD
256 RIPE NCC ASSIGNED PI
193.36.241.0/24
GB Allen And Overy LLP
256 RIPE NCC ASSIGNED PI
193.36.254.0/24
GB Allen And Overy LLP
256 RIPE NCC ASSIGNED PI
193.46.62.0/24
DE Fielmann Group AG
256 RIPE NCC ASSIGNED PI
193.47.140.0/24
CH Swissphone Wireless AG
256 RIPE NCC ASSIGNED PI
193.53.174.0/24
BE BRUSSELS AIRPORT COMPANY S.A.
256 RIPE NCC ASSIGNED PI
193.53.185.0/24
BE BRUSSELS AIRPORT COMPANY S.A.
256 RIPE NCC ASSIGNED PI
193.53.186.0/24
BE BRUSSELS AIRPORT COMPANY S.A.
256 RIPE NCC ASSIGNED PI
193.53.188.0/24
BE BRUSSELS AIRPORT COMPANY S.A.
256 RIPE NCC ASSIGNED PI
193.53.190.0/24
BE BRUSSELS AIRPORT COMPANY S.A.
256 RIPE NCC ASSIGNED PI
193.56.33.0/24
FR AIRBUS SAS
256 RIPE NCC ASSIGNED PI
193.57.56.0/24
FR Infovista S.A.
256 RIPE NCC ASSIGNED PI
193.58.6.0/24
BE Regie Media Belge SA
256 RIPE NCC ASSIGNED PI
193.73.113.0/24
CH Zuehlke Engineering AG
256 RIPE NCC ASSIGNED PI
193.97.184.0/24
DE Oerag Rechtsschutzversicherungs AG
256 RIPE NCC ASSIGNED PI
193.97.185.0/24
DE Oerag Rechtsschutzversicherungs AG
256 RIPE NCC ASSIGNED PI
193.97.186.0/24
DE Oerag Rechtsschutzversicherungs AG
256 RIPE NCC ASSIGNED PI
193.102.174.0/24
DE Rms Radio Marketing Service GmbH & Co. Kg
256 RIPE NCC ASSIGNED PI
193.103.129.0/24
DE Rms Radio Marketing Service GmbH & Co. Kg
256 RIPE NCC ASSIGNED PI
193.135.254.0/24
CH Zuehlke Engineering AG
256 RIPE NCC ASSIGNED PI
193.164.14.0/24
GB Nec Europe LTD
256 RIPE NCC ASSIGNED PI
193.176.112.0/23
DE GTN-Frankfurt-DC
512 RIPE NCC ASSIGNED PA
193.176.114.0/23
DE GTN-MILAN-DC
512 RIPE NCC ASSIGNED PA
193.177.180.0/23
NL Htm Personenvervoer N.V.
512 RIPE NCC ASSIGNED PI
193.178.140.0/24
FR Kantar SAS
256 RIPE NCC ASSIGNED PI
193.193.188.0/24
GB WUNDERMAN THOMPSON (UK) LIMITED
256 RIPE NCC ASSIGNED PI
193.200.191.0/24
GB Movianto UK LTD
256 RIPE NCC ASSIGNED PI
194.9.4.0/24
DE Hengeler Mueller
256 RIPE NCC ASSIGNED PI
194.9.5.0/24
DE Hengeler Mueller
256 RIPE NCC ASSIGNED PI
194.11.129.0/24
DE Fujitsu Services GmbH
256 RIPE NCC ASSIGNED PI
194.15.16.0/24
DE Reemtsma Cigarettenfabriken GmbH
256 RIPE NCC ASSIGNED PI
194.15.18.0/24
DE Reemtsma Cigarettenfabriken GmbH
256 RIPE NCC ASSIGNED PI
194.15.242.0/23
DE Hannover Rueck Se
512 RIPE NCC ASSIGNED PI
194.15.244.0/22
DE Hannover Rueck Se
1,024 RIPE NCC ASSIGNED PI
194.33.183.0/24
GB Ligs LTD
256 RIPE NCC ASSIGNED PI
194.37.85.0/24
DE Mckesson Europe AG
256 RIPE NCC ASSIGNED PI
194.37.87.0/24
DE Mckesson Europe AG
256 RIPE NCC ASSIGNED PI
194.39.190.0/24
DE Cornelsen Verlag GmbH
256 RIPE NCC ASSIGNED PI
194.39.220.0/24
DE Presse Und Informationsamt Der Bundesregierung
256 RIPE NCC ASSIGNED PI
194.59.96.0/19
DE Deutsches Patent- Und Markenamt
8,192 RIPE NCC ASSIGNED PI
194.59.121.0/24
DE Deutsches Patent- Und Markenamt
256 RIPE NCC ASSIGNED PI
194.59.137.0/24
NL Centric At2 Colt
256 RIPE NCC ASSIGNED PA
194.59.139.0/24
NL Centric Am2 Colt
256 RIPE NCC ASSIGNED PA
194.76.8.0/24
DE M. M. Warburg & Co.
256 RIPE NCC ASSIGNED PI
194.76.9.0/24
DE M. M. Warburg & Co.
256 RIPE NCC ASSIGNED PI
194.99.12.0/24
DE Aok Die Gezundheitskasse Fur Niedersachsen
256 RIPE NCC ASSIGNED PI
194.99.120.0/21
DE Mahle Behr GmbH & Co.kg
2,048 RIPE NCC ASSIGNED PI
194.126.242.0/24
DE Lupus Alpha Asset Management AG
256 RIPE NCC ASSIGNED PI
194.132.60.0/24
SE Ascom (sweden) Ab
256 RIPE NCC ASSIGNED PA
194.156.246.0/24
DE Wmf GmbH
256 RIPE NCC ASSIGNED PI
194.173.47.0/24
DE Datagroup Koeln GmbH
256 RIPE NCC ASSIGNED PI
195.47.207.0/24
GB Nec Europe LTD
256 RIPE NCC ASSIGNED PI
195.149.76.0/24
DE Kassenaerztliche Bundesvereinigung
256 RIPE NCC ASSIGNED PI
195.182.60.0/24
DE Helvetia Schweizerische Versicherungsgesellschaft AG
256 RIPE NCC ASSIGNED PI
195.234.175.0/24
GB Amnesty International Limited
256 RIPE NCC ASSIGNED PI
209.90.56.0/24
US Group M Worldwide, LLC
256 ARIN ALLOCATION
Prefix Organization Size Registry Status
2001:67c:67c::/48
DE Deutsches Patent- Und Markenamt
1.2089× 1024 RIPE NCC ASSIGNED PI
2001:67c:6d4::/48
DE Mahle International GmbH
1.2089× 1024 RIPE NCC ASSIGNED PI
2001:67c:2ea0::/48
DE NEOFONIE GMBH
1.2089× 1024 RIPE NCC ASSIGNED PI
2606:8a80::/32
US GoFIBER
7.9228× 1028 ARIN ALLOCATION
2a04:f400:3001::/48
GB Wpp Group Usa, Inc.
1.2089× 1024 RIPE NCC ALLOCATED-BY-RIR
2a07:6f46:4500::/40
DE Rws GmbH
3.0949× 1026 RIPE NCC ASSIGNED
2a07:cb81::/32
NL Centric Am2 Colt
7.9228× 1028 RIPE NCC ASSIGNED
2a0a:d6c0:145::/48
DE Konrad-adenauer-stiftung E.V.
1.2089× 1024 RIPE NCC ASSIGNED
2a10:8802::/36
DE UK-INTERPUBLIC-DE
4.9518× 1027 RIPE NCC ALLOCATED-BY-LIR

Peers

There is no peer for AS15404.

Upstreams

There are 1 upstream for AS15404:

Downstreams

There is no downstream for AS15404.

Get started with 100,000 free lookups: sign up