Home / Prefixes / 2a10:cb81::/34

2a10:cb81::/34 RPKI valid

Broadband for the Rural North (B4RN) · Updated 21.10.2026 21:15 UTC
Announced IPv6 AS58273 Broadband for the Rural North (B4RN) GB Lancaster, United Kingdom

Network Information

Prefix
2a10:cb81::/34
Network Description:
—
Address range
2a10:cb81:: – 2a10:cb81:3fff:ffff:ffff:ffff:ffff:ffff
Size
1,073,741,824 × /64
Origin AS
AS58273 Broadband for the Rural North (B4RN)
Organization
Broadband for the Rural North
AS path
AS208972AS9121AS3257AS174AS58273AS58273AS58273AS58273AS58273AS58273AS58273AS58273AS58273AS58273AS58273AS58273AS58273AS58273
Paths seen
1
RPKI
RPKI valid
Location
GB Lancaster, United Kingdom
First seen
21.10.2026

RPKI ROAs

ROA prefixMax lengthOrigin ASTrust anchor
2a10:cb80::/29 /48 AS58273 RIPE Matches
PrefixOrigin ASDescriptionLocationRPKI
2a10:cb80::/29 AS58273 GB Lancaster RPKI valid
None in the routing table.
PrefixOrigin ASDescriptionLocationRPKI
5.83.8.0/23 AS58273 GB Lancaster RPKI valid
5.83.8.0/24 AS58273 GB Lancaster RPKI valid
5.83.10.0/23 AS58273 GB Lancaster RPKI valid
5.83.12.0/22 AS58273 GB Lancaster RPKI valid
88.97.112.0/22 AS58273 GB Lancaster RPKI valid
88.97.116.0/22 AS58273 GB Penrith RPKI valid
88.97.120.0/21 AS58273 GB Sedbergh RPKI valid
88.97.128.0/22 AS58273 GB Kendal RPKI valid
88.97.128.0/21 AS58273 GB Kendal RPKI valid
88.97.132.0/22 AS58273 GB Kendal RPKI valid
88.97.136.0/21 AS58273 GB Hexham RPKI valid
88.97.144.0/22 AS58273 GB Kirkby Lonsdale RPKI valid
88.97.148.0/22 AS58273 GB Kendal RPKI valid
88.97.152.0/22 AS58273 GB Clitheroe RPKI valid
88.97.156.0/24 AS58273 GB Southwell RPKI valid
148.252.16.0/23 AS58273 GB Lancaster RPKI valid
148.252.18.0/23 AS58273 GB Lancaster RPKI valid
148.252.20.0/23 AS58273 GB Lancaster RPKI valid
148.252.22.0/23 AS58273 GB Lancaster RPKI valid
148.252.24.0/22 AS58273 GB Lancaster RPKI valid
148.252.28.0/22 AS58273 GB Lancaster RPKI valid
185.89.32.0/22 AS58273 GB Goosnargh RPKI valid
185.159.91.0/24 AS58273 GB Nottingham RPKI valid
185.201.32.0/24 AS58273 GB Newby RPKI valid
185.201.33.0/24 AS58273 GB Newby RPKI valid
185.201.34.0/23 AS58273 GB Newby RPKI valid
185.217.156.0/24 AS58273 GB Carlisle RPKI valid
185.217.157.0/24 AS58273 GB Carlisle RPKI valid
185.243.104.0/22 AS58273 GB Guildford RPKI valid
194.31.184.0/23 AS58273 WMY-Systems Global Range GB Ulverston RPKI valid
194.31.187.0/24 AS58273 GB Lancaster RPKI valid
194.113.44.0/23 AS58273 GB Diss RPKI valid
194.113.46.0/23 AS58273 GB Settle RPKI valid
2a01:6240::/48 AS58273 GB RPKI valid
2a01:6240:19::/48 AS58273 GB RPKI valid
2a01:6240:22::/48 AS58273 GB RPKI valid
2a01:6240:23::/48 AS58273 GB RPKI valid
2a01:6240:24::/48 AS58273 GB RPKI valid
2a01:6240:26::/48 AS58273 GB RPKI valid
2a01:6240:30::/48 AS58273 GB RPKI valid
2a01:6240:80::/48 AS58273 GB RPKI valid
2a01:6241:8000::/34 AS58273 GB RPKI valid
2a01:6242::/34 AS58273 GB RPKI valid
2a01:6242:8000::/34 AS58273 GB RPKI valid
2a01:6243::/34 AS58273 GB Lancaster RPKI valid
2a01:6244::/34 AS58273 GB Carnforth RPKI valid
2a01:6244:8000::/34 AS58273 GB RPKI valid
2a01:6245::/34 AS58273 GB RPKI valid
2a01:6246::/34 AS58273 GB RPKI valid
2a01:6247::/34 AS58273 GB RPKI valid
2a01:6247:8000::/34 AS58273 GB RPKI valid
2a10:cb80::/29 AS58273 GB Lancaster RPKI valid
2a10:cb80::/48 AS58273 GB Lancaster RPKI valid

Origin AS

Details →
AS
AS58273
Name
Broadband for the Rural North (B4RN)
Also Known As:
B4RN
Website
https://b4rn.org.uk/
Prefixes
33 IPv4 · 21 IPv6
Peers
3 (3 Upstreams)

Approximate location

GeoLite2

External links

RIPEstat bgp.tools Hurricane Electric IRR Explorer Looking Glass JSON API