Data as of Nov 8, 2026
78.143.12.0/22
No anonymizer space · no proxy exits in 30 daysCOLT Technology Services Group Limited
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
1,024 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 936 | 91% | 2 | |
| Business | 88 | 8.6% | 7 |
Network & registry
Announced by
Covering announcement 78.143.0.0/18
- Prefix
- 78.143.0.0/18
- Announced by
- AS8220 COLT Technology Services Group Limited
- Type
- Internet provider
- Proxy exits
- 3
- RPKI
- RPKI valid
- Netname
- UK-COLT-20070815
- 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 78.143.0.0/18
78.143.0.0/18
Routing history
- Pattern
- Rotating
- First seen
- Aug 2007
- Current origin since
- Nov 2021 · 4.9 yr
- Origin networks
- 2
- Last change of origin
- Nov 2021
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 78.143.0.0/18 | AS8220 | /18 | RIPE | RPKI valid |
IRR
Route objects on 78.143.0.0/18
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8220 | RIPE | COLT Technology Services | COLT-MNT | Dec 3, 2021 |
Whois
Registration for this announcement
- Range
- 78.
143. 0. 0/ 18 - Netname
- UK-COLT-20070815
- Registrant
- COLT Technology Services Group Limited
- Registrant country
- GB
- Organization
- COLT Technology Services Group Limited (ORG-CI9-RIPE)
- Org country
- GB
- Type
- ALLOCATED PA
- Created
- Dec 3, 2021
- Updated
- Dec 3, 2021
- Maintainer
- COLT-UK
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Aug 15, 2007
- Status
- assigned
Report abuse
Abuse contact
- abuse@
colt. net - Name
- COLT Hostmaster
- Handle
- CHM4-RIPE