CITYFIBRE LIMITED
Cityfibre Limited
GLEIF verified
Complete entity footprint
3 linked clusters ·
6,463 netblocks ·
871,507 IPv4 addresses
This organisation's clusters combined by evidence —
shared operating domain enta.net
— not name similarity, so genuinely different organisations that share a name are excluded.
LEI
213800Y2KS3L5UB7US68
Registered name
CITYFIBRE LIMITED
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 105 · 379,006 IPv4 addresses |
| Cluster ID | 210366325 |
| Registry | BGP |
| Owner jurisdiction | GB |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 213800Y2KS3L5UB7US68 |
| Shared handles | clustered on 21 shared RIR contact/maintainer handles |
| Registry names | 7 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
116
0 netblocks since 2026-07-05
2026-07-05
peak 116
2026-07-19
IP Ranges (105)
showing 50 of 105 — see all — ⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 5.57.80.135/32 | CityFibre | PEERINGDB | ASSIGNED | ● high |
| 46.254.0.0/21 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 62.249.192.0/18 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 78.32.0.0/15 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 79.143.144.0/20 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 81.31.96.0/19 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 84.45.128.0/17 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 87.127.0.0/16 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 88.83.96.0/24 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 88.83.104.0/24 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 88.83.106.0/24 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 88.83.109.0/24 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 88.83.111.0/24 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 88.83.116.0/24 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 88.83.118.0/23 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 88.83.124.0/23 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 88.83.126.0/24 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 95.141.152.0/22 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 109.224.160.0/19 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 156.67.240.0/24 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 156.67.241.0/24 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 156.67.242.0/23 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 156.67.244.0/24 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 156.67.244.0/22 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 156.67.248.0/21 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 178.16.224.0/22 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 178.16.228.0/24 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 178.16.237.0/24 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 178.217.92.0/24 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 185.1.104.122/32 | CityFibre | PEERINGDB | ASSIGNED | ● high |
| 185.81.192.0/24 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 185.81.193.0/24 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 185.81.194.0/24 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 185.81.195.0/24 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 185.101.148.0/22 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 185.129.72.0/22 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 185.129.73.0/24 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 185.129.74.0/23 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 185.142.84.0/24 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 185.142.85.0/24 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 185.146.44.0/23 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 185.220.12.0/22 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 188.39.0.0/16 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 193.35.217.0/24 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 193.37.208.0/22 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
| 195.66.224.151/32 | CityFibre | PEERINGDB | ASSIGNED | ● high |
| 195.66.236.151/32 | CityFibre | PEERINGDB | ASSIGNED | ● high |
| 195.66.244.11/32 | CityFibre | PEERINGDB | ASSIGNED | ● high |
| 195.66.246.11/32 | CityFibre | PEERINGDB | ASSIGNED | ● high |
| 195.74.96.0/19 | Cityfibre Limited | BGP | ANNOUNCED | ● high |
Customer-delegated space
how is this classified?
Unclassified
93 (88.6%)
Operator infrastructure (named)
12 (11.4%)
Network trust
what's this?
RPKI hygiene: B
how networks compare →
89.5%
of checked blocks have valid RPKI ROA coverage
(94 of 105)
Possible discrepancies (2)
These blocks are registered to Cityfibre Limited but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2a05:8943::/32 /32 | authorized for AS3356 — Level 3 Parent, LLC |
| 2a05:8944::/32 /32 | authorized for AS3356 — Level 3 Parent, LLC |
NIC Handles
AS204018
AS8468
AS8468
DUMY-RIPE
DUMY-RIPE
ENTANET-MNT
ENTANET-MNT
HRW-NOC
LEVEL3-MNT
LEVEL3-MNT
MNT-CITYFIBRE
MNT-CITYFIBRE
+9 more