Data as of Nov 5, 2026
156.67.255.0/24
No anonymizer space · no proxy exits in 30 daysCityfibre Limited
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 156.67.240.0/20 since Mar 2018 | AS8468 | Internet provider | 10 | Cityfibre 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 |
|---|---|---|---|---|---|---|
| 156.67.240.0/20 | 4,096 | CITYFIBRE-L1 | Cityfibre Limited (ORG-CHL10-RIPE) · GB | LEGACY | Feb 8, 2016 | abuse@ |
| └ 156.67.255.0/24 | 256 | CITYFIBRE-L1 | CF Core Network (Reserved) | LEGACY | Feb 15, 2016 | abuse@ via CITYFIBRE-L1 |
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 156.67.248.0/21
- Prefix
- 156.67.248.0/21
- Announced by
- AS8468 Cityfibre Limited
- Type
- Internet provider
- Proxy exits
- 3
- RPKI
- RPKI valid
- Netname
- CITYFIBRE-L1
- Registrant
- Cityfibre Limited
- RIR
- RIPE NCC
Origin network
AS8468
GB
- Name
- Cityfibre Limited
- Type
- Internet provider
- Registered
- Sep 10, 1997
- Domain
- cityfibre.com
- Website
- www.cityfibre.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
156.67.248.0/21
Routing history
- Pattern
- Stable
- First seen
- Oct 2018
- Current origin since
- Oct 2018 · 8.1 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 156.67.240.0/20 | AS8468 | /24 | RIPE | RPKI valid |
IRR
Route objects on 156.67.248.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8468 | RIPE | CITYFIBRE-UK | ENTANET-MNT MNT-CITYFIBRE | Sep 7, 2021 |
Whois
Registration for this announcement
- Range
- 156.
67. 240. 0/ 20 - Netname
- CITYFIBRE-L1
- Registrant
- Cityfibre Limited
- Registrant country
- GB
- Organization
- Cityfibre Limited (ORG-CHL10-RIPE)
- Org country
- GB
- Type
- LEGACY
- Created
- Feb 8, 2016
- Updated
- Jun 30, 2016
- Maintainer
- RIPE-NCC-LEGACY-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Mar 27, 1992
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cityfibre. com - Name
- Abuse-C Role
- Handle
- CFH11-RIPE