Data as of Nov 8, 2026
Autonomous system

AS33820

Relx Group PLC

Announces 16,384 addresses in 19 prefixes. None of it is anonymizer space.

Type
Business
GB

Announced prefixes

Arrived
PrefixTypeHolderRPKI
145.36.0.0/20
since Mar 2026
BusinessElsevier Limited
145.36.16.0/20
since Mar 2026
BusinessElsevier Limited
145.36.32.0/20
since Mar 2026
BusinessElsevier Limited
145.36.48.0/24
since Mar 2026
BusinessElsevier Limited
145.36.49.0/24
since Mar 2026
BusinessElsevier Limited
145.36.50.0/24
since Mar 2026
BusinessElsevier Limited
145.36.51.0/24
since Mar 2026
BusinessElsevier Limited
145.36.52.0/24
since Mar 2026
BusinessElsevier Limited
145.36.53.0/24
since Mar 2026
BusinessElsevier Limited
145.36.54.0/24
since Mar 2026
BusinessElsevier Limited
145.36.55.0/24
since Mar 2026
BusinessElsevier Limited
145.36.56.0/24
since Mar 2026
BusinessElsevier Limited
145.36.57.0/24
since Mar 2026
BusinessElsevier Limited
145.36.58.0/24
since Mar 2026
BusinessElsevier Limited
145.36.59.0/24
since Mar 2026
BusinessElsevier Limited
198.176.121.0/24
since Jul 2026
BusinessRELX inc.
198.176.123.0/24
since Jul 2026
BusinessRELX inc.
198.176.124.0/24
since Jul 2026
BusinessRELX inc.
198.176.126.0/24
since Jul 2026
BusinessRELX inc.

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it