RELX PLC
One corporate group, resolved across 9 separately-registered clusters
in the same GLEIF corporate family (ultimate parent LEI 549300WSX3VBUFFJOO66). Each
member's own registration independently matches the family, so clusters that merely inherited a carrier's
LEI are excluded.
Data as of 2026-07-26
9 clusters ·
137 netblocks ·
188,420 IPv4 addresses ·
15 IPv6 prefixes ·
6 countries
IPv6 ranges (15)
- 2a03:7b40::/32
- 2620:f3::/48
- 2a03:7b40:1::/48
- 2a03:7b40:2::/48
- 2a03:7b40:3::/48
- 2a03:7b40::/48
- 2a00:2381:ff36:100::/56
- 2001:504:0:1:0:3:286:1/128
- 2001:504:0:1:0:3:286:2/128
- 2001:504:102::764e:0:1/128
- 2001:504:40:12::1:148/128
- 2001:504:40:12::1:149/128
- 2001:504:61::764e:0:1/128
- 2001:7f8:13::a503:286:1/128
- 2001:7f8:13::a503:286:2/128
Member clusters
- RELX inc. US-DE 51 netblocks
- ThreatMetrix Inc. US-DE 47 netblocks
- Elsevier Limited GB 25 netblocks
- Mapflow IE 4 netblocks
- Reed Business Information GB 4 netblocks
- REED-ELSEVIER-INC NL 3 netblocks
- ELSEVIER-MASSON-SAS FR 2 netblocks
- LexisNexis Risk Solutions FL Inc. US-MN 2 netblocks
- LNRS Data Services Limited GB 1 netblocks