Data as of Nov 11, 2026
136.225.72.8/29
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 |
|---|---|---|---|---|---|---|
| 136.225.0.0/16 | 65,536 | COLT | COLT Technology Services Group Limited (ORG-CI9-RIPE) · GB | LEGACY | Mar 15, 2004 | abuse@ |
| └ 136.225.72.0/21 | 2,048 | RO-COLT-20250326 | unknown | LEGACY | Mar 26, 2025 | abuse@ via COLT |
| └ 136.225.72.8/29 | 8 | NET-RO-SC-EAST-COAST-SRL | SC East Coast SRL | LEGACY | Jun 11, 2025 | abuse@ via RO-COLT-20250326 |
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 136.225.0.0/16
- Prefix
- 136.225.0.0/16
- Announced by
- AS8220 COLT Technology Services Group Limited
- Type
- Internet provider
- Proxy exits
- 2
- RPKI
- RPKI valid
- Netname
- COLT
- 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 136.225.0.0/16
136.225.0.0/16
Routing history
- Pattern
- Rotating
- First seen
- May 2005
- Current origin since
- Nov 2022 · 4.0 yr
- Origin networks
- 3
- Last change of origin
- Nov 2022
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 136.225.0.0/16 | AS8220 | /16 | RIPE | RPKI valid |
IRR
Route objects on 136.225.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8220 | RIPE | COLT Technology Services | COLT-MNT | Nov 22, 2022 |
Whois
Registration for this announcement
- Range
- 136.
225. 0. 0/ 16 - Netname
- COLT
- Registrant
- COLT Technology Services Group Limited
- Registrant country
- GB
- Organization
- COLT Technology Services Group Limited (ORG-CI9-RIPE)
- Org country
- GB
- Type
- LEGACY
- Created
- Mar 15, 2004
- Updated
- Nov 22, 2022
- Maintainer
- RIPE-NCC-LEGACY-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Sep 1, 1993
- Status
- assigned
Report abuse
Abuse contact
- abuse@
colt. net - Name
- COLT Hostmaster
- Handle
- CHM4-RIPE