Data as of Nov 9, 2026
157.120.227.128/29
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 |
|---|---|---|---|---|---|---|
| 157.120.224.0/21 | 2,048 | UK-COLT-20140310 | COLT Technology Services Group Limited (ORG-CI9-RIPE) · GB | ALLOCATED PA | Jan 21, 2019 | abuse@ |
| └ 157.120.227.128/29 | 8 | NET-HK-Aon-Hong-Kong | Aon Hong Kong Limited | ASSIGNED PA | Jul 20, 2020 | abuse@ via UK-COLT-20140310 |
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 157.120.224.0/21
- Prefix
- 157.120.224.0/21
- Announced by
- AS8220 COLT Technology Services Group Limited
- Type
- Internet provider
- Proxy exits
- 1
- RPKI
- RPKI valid
- Netname
- UK-COLT-20140310
- Registrant
- COLT Technology Services Group Limited
- RIR
- RIPE NCC
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 157.120.224.0/21
157.120.224.0/21
Routing history
- Pattern
- Stable
- First seen
- Jul 2014
- Current origin since
- Feb 2019 · 7.7 yr
- Origin networks
- 2
- Last change of origin
- Feb 2019
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 157.120.224.0/21 | AS8220 | /21 | RIPE | RPKI valid |
IRR
Route objects on 157.120.224.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8220 | RIPE | COLT Hongkong | COLT-UK | Mar 1, 2019 |
Whois
Registration for this announcement
- Range
- 157.
120. 224. 0/ 21 - Netname
- UK-COLT-20140310
- Registrant
- COLT Technology Services Group Limited
- Registrant country
- HK
- Organization
- COLT Technology Services Group Limited (ORG-CI9-RIPE)
- Org country
- GB
- Type
- ALLOCATED PA
- Created
- Jan 21, 2019
- Updated
- Mar 1, 2019
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Mar 10, 2014
- Status
- assigned
Report abuse
Abuse contact
- abuse@
colt. net - Name
- COLT Hostmaster
- Handle
- CHM4-RIPE