AS205311 Cambridge Fibre Networks Ltd. 🇬🇧 GB
Announcing 3 prefixes, seen at the RIS collectors.
IPv4 prefixes
2
1,280 (5 × /24)
IPv6 prefixes
1
8 × /32
Upstreams
1
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS205311
- Name
- Cambridge Fibre Networks Ltd.
- Organisation
- Cambridge Fibre Networks Ltd.
- Country
- 🇬🇧 GB
- RIR
- RIPENCC
- Allocated
- 2017-09-25
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
3 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 185.219.108.0/22 v4 | RPKI valid | 41 | 3454935826205311 | 2026-09-18 |
| 185.229.51.0/24 v4 | RPKI valid | 41 | 3454935826205311 | 2026-09-18 |
| 2a0b:e540::/29 v6 | RPKI valid | 33 | 3454935826205311 | 2026-09-18 |