HomeASN LookupAS205311

AS205311

🇬🇧

Cambridge_Fibre_Networks Cambridge Fibre Networks Ltd.ORG-CFNL1-RIPE

RIPENCCallocatedASPA Published
Announced Prefixes (BGP)
3total
2 IPv41 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)1,280
Announced (BGP)1,280
IPv6 Addresses ⓘ
Allocated (RIR)6.3×10^29
Announced (BGP)6.3×10^29
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
5
Country
🇬🇧 GB
RIR
RIPENCC
Status
allocated
Allocated
9/25/2017

Announced Prefixes

(BGP)3
|
Prefix
RPKI
IRR
Last Seen
185.219.108.0/22
 Valid
RIPE
5/24/2026
185.229.51.0/24
 Valid
RIPE
5/24/2026
2a0b:e540::/29
 Valid
RIPE
5/24/2026

Allocated Prefixes

(RIR)3
Prefix
Country
RIR
Status
185.219.108.0/22🇬🇧 GBRIPENCCallocated
185.229.51.0/24🇬🇧 GBRIPEassigned
2a0b:e540::/29🇬🇧 GBRIPENCCallocated

Upstream Providers(1)

ASNName
AS35826🇬🇧NETSERVERS-AS Netservers Limited
ASPA
Published1 upstream, 0 downstreams
Authorized Upstream Providers
AS35826
Expires May 31, 2026
View full ASPA details →
Abuse Contact
External Links
RIPE WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/205311

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/205311" | jq