Data as of Nov 10, 2026
194.
- Proxy activity
- Not seen in 29 days
- Type
- Internet provider
- Risk
- 0 / 100 · Low
- Announced by
- AS8220COLT Technology Services Group LimitedInternet provider
- Announcement
- 194.223.144.0/20RPKI valid
- Company
- Colt Technology Services GK · colt.net
- Location
- Tokyo, Japan
Network & registry
Announced by
Announcement
- Prefix
- 194.223.144.0/20
- Announced by
- AS8220 COLT Technology Services Group Limited
- Type
- Internet provider
- RPKI
- RPKI valid
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 194.223.144.0/20
194.223.144.0/20
Routing history
- Pattern
- Stable
- First seen
- Apr 2022
- Current origin since
- Apr 2022 · 4.6 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 194.223.144.0/20 | AS8220 | /20 | APNIC | RPKI valid |
IRR
Route objects on 194.223.144.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8220 | APNIC | Colt Technology Services Co., Ltd. | MAINT-CTSCL-JP | May 25, 2022 |
Whois
Registration for this address
- Range
- 194.
223. 144. 0/ 20 - 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