AS33820 RELX GROUP PLC 🇬🇧 GB

Announcing 19 prefixes, seen at the RIS collectors.

IPv4 prefixes
19
16,384 (64 × /24)
IPv6 prefixes
0
-
Upstreams
2
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
AS33820
Name
RELX GROUP PLC
Organisation
RELX GROUP PLC
Country
🇬🇧 GB
RIR
RIPENCC
Allocated
2004-08-10

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

19 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Announced prefixes

19 in total

Prefix RPKI Peers Sample path First seen
145.36.0.0/20 v4 RPKI valid 46 345491650933820 2026-09-18
145.36.16.0/20 v4 RPKI valid 42 34549165091461833820 2026-09-18
145.36.32.0/20 v4 RPKI valid 42 345491650933820 2026-09-18
145.36.48.0/24 v4 RPKI valid 42 226521650933820 2026-09-18
145.36.49.0/24 v4 RPKI valid 42 226521650933820 2026-09-18
145.36.50.0/24 v4 RPKI valid 42 380011650933820 2026-09-18
145.36.51.0/24 v4 RPKI valid 42 380011650933820 2026-09-18
145.36.52.0/24 v4 RPKI valid 42 345491650933820 2026-09-18
145.36.53.0/24 v4 RPKI valid 43 380011650933820 2026-09-18
145.36.54.0/24 v4 RPKI valid 42 46081650933820 2026-09-18
145.36.55.0/24 v4 RPKI valid 42 345491650933820 2026-09-18
145.36.56.0/24 v4 RPKI valid 46 345491650933820 2026-09-18
145.36.57.0/24 v4 RPKI valid 46 345491650933820 2026-09-18
145.36.58.0/24 v4 RPKI valid 46 345491650933820 2026-09-18
145.36.59.0/24 v4 RPKI valid 42 345491650933820 2026-09-18
198.176.121.0/24 v4 RPKI valid 46 345491650933820 2026-09-18
198.176.123.0/24 v4 RPKI valid 42 345491650933820 2026-09-18
198.176.124.0/24 v4 RPKI valid 43 380011650933820 2026-09-18
198.176.126.0/24 v4 RPKI valid 42 380011650933820 2026-09-18