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Data as of Nov 7, 2026

27.110.16.0/24

No anonymizer space · no proxy exits in 30 days

COLT Technology Services Group Limited · space held by Colt Technology Services GK

Announcement
27.110.16.0/22
RPKI valid
Announced by
AS8220
Type
Business
91% of it

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
27.110.16.0/221,024CTSCL-JPColt Technology Services GK (ORG-CTSC1-AP) · JPALLOCATED PORTABLE—abuse@colt.net
└ 27.110.16.0/24256COLTCOLTALLOCATED NON-PORTABLE—abuse@colt.net
└ 27.110.16.0/298NET-JP-Cypress-Telecom-LtdCypress Telecom Ltd.ASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.8/298NET-JP-INVITE-Commications-CO-LtdINVITE Commications CO LtdASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.16/2816NET-JP-MICRON-TECHNOLOGYMicron Technology, IncASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.32/298NET-JP-TON-Total-Optical-Networks-AGTON Total Optical Networks AGASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.40/298NET-JP-Chunghwa-Telecom-JapanChunghwa Telecom Japan Co.,Ltd.ASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.48/298NET-JP-GNXGNXASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.56/298NET-JP-HGC-Global-Communications-LimitedHGC Global Communications LimitedASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.64/298COLT-JPColt Technology Services Co., Ltd.ASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.72/298NET-JP-SERVICENOW-JAPANServicenow Japan G.K.ASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.80/298NET-JP-ORANGE-BUSINESS-SERVICES-JAPANOrange Business Services Japan Company LimitedASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.88/298NET-JP-Amazon-JapanAmazon Japan G.K.ASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.96/298NET-JP-Masergy-Communications-UK-LtdMasergy Communications UK LtdASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.104/298NET-JP-Tsuzuki-Denki-Co-LtdTsuzuki Denki Co.LtdASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.112/298NET-JP-Oracle-Corporation-JapanOracle Corporation JapanASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.120/298NET-JP-Tsuzuki-Denki-Co-LtdTsuzuki Denki Co.LtdASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.128/298NET-JP-Masergy-Communications-UK-LtdMasergy Communications UK Ltd.ASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.136/298NET-JP-ORIX-Life-Insurance-CorporationORIX Life Insurance CorporationASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.144/298NET-JP-Guggenheim-Services-LLCGuggenheim Services LLCASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.152/298NET-JP-Masergy-Communications-UK-LtdMasergy Communications UK LtdASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.160/2816NET-JP-SwitchSwitchASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.176/298NET-JP-ANF-International-LimitedANF International LimitedASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.184/298COLT-JPColt Technology Services Co., Ltd.ASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.192/298NET-JP-Tsuzuki-Denki-Co-LtdTsuzuki Denki Co.LtdASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.200/298NET-JP-Orange-Business-Services-Japan-Co-LtdOrange Business Services Japan Co. LtdASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.208/298NET-JP-VISIONAL-KKVisional K.K.ASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.216/298COLT-JPColt Technology Services Co., Ltd.ASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.224/298NET-JP-Tata-CommunicationsTata Communications (Japan) K.K.ASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.232/298NET-JP-RENESAS-DESIGNRenesas Design (UK) LimitedASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.240/298NET-JP-FreeBit-CoFreeBit Co., LtdASSIGNED NON-PORTABLE—abuse@colt.net
└ 27.110.16.248/298NET-JP-DISCOVERY-COMMUNICATIONSDiscovery CommunicationsASSIGNED NON-PORTABLE—abuse@colt.net

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

256 addresses
TypeAddressesShareRanges
Business23291%27
Internet provider249.4%3

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 27.110.16.0/22

Prefix
27.110.16.0/22
Announced by
AS8220 COLT Technology Services Group Limited
Type
Internet provider
Proxy exits
2
RPKI
RPKI valid
Netname
CTSCL-JP
Registrant
Colt Technology Services GK
RIR
APNIC
Origin network

AS8220

GB
Name
COLT Technology Services Group Limited
Type
Internet provider
Registered
Feb 24, 1997
Domain
colt.net
Website
www.colt.net
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed