2a0b:e540::/29 - Cambridge Fibre Networks Cambridge Fibre Networks (AS205311)
CIDR
2a0b:e540::/29
IP Version
IPv6
Addresses
633825.3Y
Mask
/29
Country
🇬🇧 United Kingdom
City
London
RIR
RIPE NCC
Status
allocated
Allocated
2017-08-31
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2a0b:e540::/29 | AS205311 Cambridge_Fibre_Networks Cambridge Fibre Networks Ltd. | Valid | RIPE | 2026-10-26 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 2a0b:e540::/29 | AS205311 | /32 | ripe |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 2a0b:e540::/48 | 🇬🇧GB | assigned | |
| 2a0b:e540:1::/48 | 🇬🇧GB | assigned | |
| 2a0b:e541::/32 | 🇬🇧GB | assigned |
Related Prefixes
Geolocation
Abuse Contact
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the RIPE NCC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/2a0b:e540::/29Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2a0b:e540::/29" | jq
External Links