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Data as of Nov 8, 2026

145.36.51.0/24

No anonymizer space · no proxy exits in 30 days

Relx Group PLC · space held by Elsevier Limited

Announcement
this exact prefix
RPKI valid
Announced by
AS33820
Type
Business
Risk
0 / 100 · Low

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
145.36.0.0/1665,536ElsevierElsevier Limited (ORG-EL293-RIPE) · GBLEGACY—elsnetadmin@elsevier.com
└ 145.36.51.0/24256Elsevier-AWS-rangeunknownLEGACYFeb 25, 2026elsnetadmin@elsevier.com
via Elsevier

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
Elsevier Limited
Handle
ORG-EL293-RIPE
Range
145.36.0.0/16
Registration type
LEGACY
Legacy
yes
Origin network

AS33820

GB
Name
Relx Group PLC
Type
Business
Registered
Aug 10, 2004
Domain
relx.com
Industry
Chemical and Pharmaceutical Manufacturing
Spamhaus ASN-DROP
not listed