Data as of Nov 7, 2026
148.109.29.128/29
No anonymizer space · no proxy exits in 30 daysCOLT Technology Services Group Limited · space held by Colt Technology Services GK
Network & registry
Announced by
Covering announcement 148.109.0.0/16
- Prefix
- 148.109.0.0/16
- Announced by
- AS8220 COLT Technology Services Group Limited
- Type
- Internet provider
- Proxy exits
- 11
- 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
Routing timeline
Who has announced 148.109.0.0/16
148.109.0.0/16
Routing history
- Pattern
- Reactivated
- First seen
- May 2005
- Current origin since
- Nov 2022 · 4.0 yr
- Origin networks
- 2
- Last change of origin
- Nov 2022
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 148.109.0.0/16 | AS8220 | /16 | APNIC | RPKI valid |
IRR
Route objects on 148.109.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8220 | APNIC | Colt Technology Services Co., Ltd. | MAINT-CTSCL-JP | Dec 5, 2022 |
Whois
Registration for this announcement
- Range
- 148.
109. 0. 0/ 16 - 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
- Mar 22, 1991
- Status
- assigned
Report abuse
Abuse contact
- abuse@
colt. net - Name
- ABUSE CTSCLJP
- Handle
- AC2582-AP