RELX GROUP PLC

RELX inc.
Data as of 2026-10-04
GLEIF verified
Complete entity footprint
10 linked clusters · 149 netblocks · 189,252 IPv4 addresses · 19 IPv6 prefixes
This organisation's clusters combined by evidence — shared GLEIF corporate family — not name similarity, so genuinely different organisations that share a name are excluded.
View the full entity page →
LEI
549300EBL9L0JQ3SK247
Registered name
RELX GROUP PLC
Jurisdiction
Ultimate parent
RELX PLC
549300WSX3VBUFFJOO66
This organisation
Netblocks56 · 66,048 IPv4 addresses
IPv6 1 prefix (largest 2605:d180::/32)
Registered in United States (43) · United Kingdom (15)
Also registered under this name 63 netblocks across 5 separate records
Record ID245505019
RegistryBGP
Owner jurisdictionGB
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 549300EBL9L0JQ3SK247
Shared handles clustered on 14 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (56)

⬇ export CSV
CIDR Org name Registry Status Confidence
138.12.0.0/17 RELX inc. BGP ANNOUNCED ● high
145.36.0.0/20 RELX GROUP PLC BGP ANNOUNCED ● high
145.36.16.0/20 RELX GROUP PLC BGP ANNOUNCED ● high
145.36.32.0/20 RELX GROUP PLC BGP ANNOUNCED ● high
145.36.48.0/24 RELX GROUP PLC BGP ANNOUNCED ● high
145.36.49.0/24 RELX GROUP PLC BGP ANNOUNCED ● high
145.36.50.0/24 RELX GROUP PLC BGP ANNOUNCED ● high
145.36.51.0/24 RELX GROUP PLC BGP ANNOUNCED ● high
145.36.52.0/24 RELX GROUP PLC BGP ANNOUNCED ● high
145.36.53.0/24 RELX GROUP PLC BGP ANNOUNCED ● high
145.36.54.0/24 RELX GROUP PLC BGP ANNOUNCED ● high
145.36.55.0/24 RELX GROUP PLC BGP ANNOUNCED ● high
145.36.56.0/24 RELX GROUP PLC BGP ANNOUNCED ● high
145.36.57.0/24 RELX GROUP PLC BGP ANNOUNCED ● high
145.36.58.0/24 RELX GROUP PLC BGP ANNOUNCED ● high
145.36.59.0/24 RELX GROUP PLC BGP ANNOUNCED ● high
192.73.216.0/24 RELX inc. BGP ANNOUNCED ● high
198.81.200.0/24 RELX inc. BGP ANNOUNCED ● high
198.137.148.0/23 RELX inc. ARIN DIRECT ALLOCATION ● high
198.137.148.0/24 RELX inc. BGP ANNOUNCED ● high
198.137.149.0/24 RELX inc. BGP ANNOUNCED ● high
198.176.64.0/22 RELX inc. BGP ANNOUNCED ● high
198.176.64.0/19 RELX inc. ARIN DIRECT ALLOCATION ● high
198.176.68.0/23 RELX GROUP PLC BGP ANNOUNCED ● high
198.176.69.0/24 RELX GROUP PLC BGP ANNOUNCED ● high
198.176.76.0/22 RELX inc. BGP ANNOUNCED ● high
198.176.80.0/24 RELX inc. BGP ANNOUNCED ● high
198.176.81.0/24 RELX inc. BGP ANNOUNCED ● high
198.176.118.0 – 198.176.127.255 RELX inc. ARIN DIRECT ALLOCATION ● high
198.176.121.0/24 RELX GROUP PLC BGP ANNOUNCED ● high
198.176.123.0/24 RELX GROUP PLC BGP ANNOUNCED ● high
198.176.124.0/24 RELX GROUP PLC BGP ANNOUNCED ● high
198.176.126.0/24 RELX GROUP PLC BGP ANNOUNCED ● high
198.185.16.0/24 RELX inc. BGP ANNOUNCED ● high
198.185.16.0 – 198.185.25.255 RELX inc. ARIN DIRECT ALLOCATION ● high
198.185.17.0/24 RELX inc. BGP ANNOUNCED ● high
198.185.18.0/24 RELX inc. BGP ANNOUNCED ● high
198.185.19.0/24 RELX inc. BGP ANNOUNCED ● high
198.185.21.0/24 RELX inc. BGP ANNOUNCED ● high
198.185.23.0/24 RELX inc. BGP ANNOUNCED ● high
198.185.24.0/24 RELX inc. BGP ANNOUNCED ● high
198.185.25.0/24 RELX inc. BGP ANNOUNCED ● high
198.187.129.0/24 RELX inc. BGP ANNOUNCED ● high
198.187.129.0 – 198.187.133.255 RELX inc. ARIN DIRECT ALLOCATION ● high
198.187.130.0/24 RELX inc. BGP ANNOUNCED ● high
198.187.131.0/24 RELX inc. BGP ANNOUNCED ● high
198.202.175.0/24 RELX inc. BGP ANNOUNCED ● high
198.206.141.0/24 RELX inc. ARIN DIRECT ALLOCATION ● high
207.24.42.0/24 RELX inc. BGP ANNOUNCED ● high
207.24.44.0/24 RELX inc. BGP ANNOUNCED ● high
207.24.132.0/24 RELX inc. BGP ANNOUNCED ● high
207.25.177.0/24 RELX inc. BGP ANNOUNCED ● high
207.25.178.0/24 RELX inc. BGP ANNOUNCED ● high
207.25.180.0/24 RELX inc. BGP ANNOUNCED ● high
207.25.181.0/24 RELX inc. BGP ANNOUNCED ● high
2605:d180::/32 RELX inc. ARIN DIRECT ALLOCATION ● high

IPv6 ranges (1)

Footprint over time

15 weekly snapshots · JSON
59 +13 netblocks since 2026-07-05
2026-07-05 peak 59 2026-10-04

Other domains hosted in this network

what's this?

Corporate group (10 confirmed entities)

+6 additional unconfirmed candidates not shown — full list (JSON)

Network trust

what's this?
RPKI hygiene: D how networks compare →
32.2% of checked blocks have valid RPKI ROA coverage (19 of 59)
Possible discrepancies (19)

These blocks are registered to RELX inc. but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

145.36.0.0/20 /20 authorized for AS14618 — Amazon.com, Inc.
145.36.16.0/20 /20 authorized for AS14618 — Amazon.com, Inc.
145.36.32.0/20 /20 authorized for AS14618 — Amazon.com, Inc.
145.36.48.0/24 /24 authorized for AS14618 — Amazon.com, Inc.
145.36.49.0/24 /24 authorized for AS14618 — Amazon.com, Inc.
145.36.50.0/24 /24 authorized for AS14618 — Amazon.com, Inc.
145.36.51.0/24 /24 authorized for AS14618 — Amazon.com, Inc.
145.36.52.0/24 /24 authorized for AS14618 — Amazon.com, Inc.
145.36.53.0/24 /24 authorized for AS14618 — Amazon.com, Inc.
145.36.54.0/24 /24 authorized for AS14618 — Amazon.com, Inc.
145.36.55.0/24 /24 authorized for AS14618 — Amazon.com, Inc.
145.36.56.0/24 /24 authorized for AS14618 — Amazon.com, Inc.
145.36.57.0/24 /24 authorized for AS14618 — Amazon.com, Inc.
145.36.58.0/24 /24 authorized for AS14618 — Amazon.com, Inc.
145.36.59.0/24 /24 authorized for AS14618 — Amazon.com, Inc.
+4 more — see the REST API

NIC Handles

AS16509 AS1757 AS206024 AS32472 AS33820 AS63263 HALLM73-ARIN REEDE-2 RENMC-ARIN RENMC-ARIN RENMC-ARIN RENMC-ARIN +2 more