Data as of Nov 9, 2026
194.223.140.0/22
No anonymizer space · no proxy exits in 30 daysCOLT Technology Services Group Limited · space held by Colt Technology Services GK
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 194.223.140.0/22 | 1,024 | CTSCL-JP | Colt Technology Services GK (ORG-CTSC1-AP) · JP | ALLOCATED PORTABLE | — | abuse@ |
| └ 194.223.140.0/24 | 256 | COLT-JP-CUST-194223140 | Colt Technology Services Co., Ltd. | ALLOCATED NON-PORTABLE | — | abuse@ |
| └ 194.223.141.0/24 | 256 | COLT-JP-CUST-194223141 | Colt Technology Services Co., Ltd. | ALLOCATED NON-PORTABLE | — | abuse@ |
| └ 194.223.141.128/29 | 8 | NET-JP-YOKUMOKU-INC | Yokumoku Inc | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 194.223.141.144/29 | 8 | NET-JP-Expereo-International | Expereo International BV | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 194.223.142.0/24 | 256 | COLT-JP-CUST-194223142 | Colt Technology Services Co., Ltd. | ALLOCATED NON-PORTABLE | — | abuse@ |
| └ 194.223.142.128/29 | 8 | NET-JP-Deutsche-Telekom-GBS-Japan | Deutsche Telekom GBS Japan K.K. | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 194.223.142.144/29 | 8 | NET-JP-Davis-Polk-Wardwell | Davis Polk & Wardwell LLP | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 194.223.142.160/29 | 8 | NET-JP-ORANGE-BUSINESS-SERVICES-JAPAN-COMPANY-LIMITED | Orange Business Services Japan Company Limited | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 194.223.142.168/29 | 8 | NET-JP-NTT-DATA-CORPORATION | NTT Data Corporation | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 194.223.142.184/29 | 8 | NET-JP-ORANGE-BUSINESS-SERVICES-JAPAN-COMPANY-LIMITED | unknown | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 194.223.142.200/29 | 8 | NET-JP-ORANGE-BUSINESS-SERVICES-JAPAN-COMPANY-LIMITED | Orange Business Services Japan Companylimited | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 194.223.142.208/28 | 16 | Net-JP-Fidelity-Management-And-Research-Japan-KK | Fidelity Management & Research (Japan) K.K. | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 194.223.142.240/29 | 8 | NET-GB-GTT-EMEA-LTD | GTT Emea Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 194.223.143.0/24 | 256 | COLT-JP-CUST-194223143 | Colt Technology Services Co., Ltd. | ALLOCATED NON-PORTABLE | — | abuse@ |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
1,024 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 936 | 91% | 9 | |
| Business | 88 | 8.6% | 10 |
Network & registry
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
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2022
- Current origin since
- Apr 2022 · 4.6 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 194.
223. 140. 0/ 22 - Netname
- CTSCL-JP
- Registrant
- Colt Technology Services GK
- Registrant country
- JP
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Sep 17, 2026
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- JP
- Delegated
- Dec 21, 1995
- Status
- assigned
Report abuse
Abuse contact
- abuse@
colt. net - Name
- ABUSE CTSCLJP
- Handle
- AC2582-AP