AS35228 o2 (Telefonica UK) 🇬🇧 GB

Telefonica UK Limited. Announcing 141 prefixes, seen at the RIS collectors.

IPv4 prefixes
115
295,168 (1,153 × /24)
IPv6 prefixes
26
1 × /32
Upstreams
3
transit providers observed
Peers
16
settlement-free adjacencies
Downstreams
4
transit customers observed
Customer cone
5
ASes reachable through it

Registry and operator data

AS number
AS35228
Name
o2 (Telefonica UK)
Organisation
O2 Broadband
Country
🇬🇧 GB
RIR
RIPENCC
Allocated
2005-06-28
Network type
Cable/DSL/ISP
Traffic levels
100-200Gbps
Scope
Europe
Peering policy
Selective
PeeringDB
net/1446
Exchanges
2
Facilities
2

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

135 valid (95.7%) 0 invalid (0.0%) 6 no ROA (4.3%)

Announced prefixes

26 in total

Prefix RPKI Peers Sample path First seen
2a03:dd00::/32 v6 no ROA 32 34549325735228 2026-09-18
2a03:dd00:810::/46 v6 RPKI valid 32 3454935228 2026-09-18
2a03:dd00:821::/48 v6 RPKI valid 31 377211295635228 2026-09-18
2a03:dd00:822::/48 v6 RPKI valid 31 377211295635228 2026-09-18
2a03:dd00:823::/48 v6 no ROA 31 377211295635228 2026-09-18
2a03:dd00:824::/48 v6 no ROA 31 3772112956508935228 2026-09-18
2a03:dd00:825::/48 v6 no ROA 31 377211295635228 2026-09-18
2a03:dd00:2000::/40 v6 RPKI valid 31 3772112956508935228 2026-09-18
2a03:dd00:2100::/40 v6 RPKI valid 31 3772112956508935228 2026-09-18
2a03:dd00:2200::/40 v6 RPKI valid 31 3772112956508935228 2026-09-18
2a03:dd00:2300::/40 v6 RPKI valid 31 3772112956508935228 2026-09-18
2a03:dd00:2400::/40 v6 RPKI valid 31 3772112956508935228 2026-09-18
2a03:dd00:2500::/40 v6 RPKI valid 31 3772112956508935228 2026-09-18
2a03:dd00:2600::/40 v6 RPKI valid 31 3772112956508935228 2026-09-18
2a03:dd00:2700::/40 v6 RPKI valid 31 3772112956508935228 2026-09-18
2a03:dd00:3000::/44 v6 RPKI valid 31 3772112956508935228 2026-09-18
2a03:dd00:3002::/48 v6 RPKI valid 31 3772112956508935228 2026-09-18
2a03:dd00:300e::/48 v6 RPKI valid 31 377211295635228 2026-09-18
2a03:dd00:3040::/47 v6 RPKI valid 31 3772112956508935228 2026-09-18
2a03:dd00:3042::/47 v6 RPKI valid 31 3772112956508935228 2026-09-18
2a03:dd00:3044::/47 v6 RPKI valid 31 3772112956508935228 2026-09-18
2a03:dd00:3046::/47 v6 RPKI valid 31 3772112956508935228 2026-09-18
2a03:dd00:3048::/47 v6 RPKI valid 31 3772112956508935228 2026-09-18
2a03:dd00:304a::/47 v6 RPKI valid 31 3772112956508935228 2026-09-18
2a03:dd00:304c::/47 v6 RPKI valid 31 3772112956508935228 2026-09-18
2a03:dd00:304e::/47 v6 RPKI valid 31 3772112956508935228 2026-09-18