Data as of Nov 7, 2026
194.223.137.136/29
No anonymizer space · no proxy exits in 30 daysCOLT Technology Services Group Limited
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 194. | 3,072 | UK-COLT-19951221 | COLT Technology Services Group Limited (ORG-CI9-RIPE) · GB | ALLOCATED PA | May 25, 2022 | abuse@ |
| └ 194.223.136.0/22 | 1,024 | UK-COLT-19951221 | COLT Technology Services Group Limited (ORG-CI9-RIPE) · GB | LIR-PARTITIONED PA | Jul 13, 2021 | abuse@ |
| └ 194.223.137.136/29 | 8 | NT-SG-ATNT-Worldwide-TelecommunicationService | AT&T Worldwide TelecommunicationService(S) PTE Ltd. | ASSIGNED PA | Oct 20, 2021 | abuse@ via UK-COLT-19951221 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 194.223.136.0/22
- Prefix
- 194.223.136.0/22
- Announced by
- AS8220 COLT Technology Services Group Limited
- Type
- Internet provider
- Proxy exits
- 1
- RPKI
- RPKI valid
- Netname
- UK-COLT-19951221
- Registrant
- COLT Technology Services Group Limited
- RIR
- RIPE NCC
Registry
Holder
- Organization
- COLT Technology Services Group Limited
- Handle
- ORG-CI9-RIPE
- Range
- 194.
223. 128. 0 - 194. 223. 139. 255 - Registration type
- ALLOCATED PA
- Record created
- May 25, 2022
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 194.223.136.0/22
194.223.136.0/22
Routing history
- Pattern
- Stable
- First seen
- Apr 2022
- Current origin since
- Apr 2022 · 4.5 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 194.223.136.0/22 | AS8220 | /22 | RIPE | RPKI valid |
IRR
Route objects on 194.223.136.0/22
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8220 | RIPE | COLT UK | COLT-UK | Apr 28, 2022 |
Whois
Registration for this announcement
- Range
- 194.
223. 136. 0/ 22 - Netname
- UK-COLT-19951221
- Registrant
- COLT Technology Services Group Limited
- Registrant country
- SG
- Organization
- COLT Technology Services Group Limited (ORG-CI9-RIPE)
- Org country
- GB
- Type
- LIR-PARTITIONED PA
- Created
- Jul 13, 2021
- Updated
- Jul 13, 2021
- Maintainer
- COLT-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Dec 21, 1995
- Status
- assigned
Report abuse
Abuse contact
- abuse@
colt. net - Name
- COLT Hostmaster
- Handle
- CHM4-RIPE