MAGNITE, INC.

THE-RUBICON-PROJECT-LIMITED
Data as of 2026-07-26
GLEIF verified
Complete entity footprint
2 linked clusters · 50 netblocks · 24,599 IPv4 addresses · 22 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
54930018FR2YX1HHSB02
Registered name
MAGNITE, INC.
Jurisdiction
US-DE
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks5
IPv6 2 prefixes (largest 2a00:2381:fe33::/48)
Cluster ID215184496
RegistryRIPE
Owner jurisdictionUS-DE
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 54930018FR2YX1HHSB02
Shared handles clustered on 5 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 (5)

⬇ export CSV
CIDR Org name Registry Status Confidence
90.155.92.164/32 THE-RUBICON-PROJECT-LIMITED RIPE ASSIGNED PA ● low
178.238.155.177/32 THE-RUBICON-PROJECT-LIMITED RIPE ASSIGNED PA ● low
193.240.179.0/29 THE-RUBICON-PROJECT RIPE ASSIGNED PA ● low
2a00:2381:fe33::/48 The-Rubicon-Project-Ltd RIPE AGGREGATED-BY-LIR ● low
2a00:2381:fe33::/56 The-Rubicon-Project-Ltd RIPE ASSIGNED ● low

IPv6 ranges (2)

CIDR
2a00:2381:fe33::/48
2a00:2381:fe33::/56

Corporate group (2 confirmed entities)

+1 additional unconfirmed candidate not shown — full list (JSON)

Network trust

what's this?
RPKI hygiene: B how networks compare →
80.0% of checked blocks have valid RPKI ROA coverage (4 of 5)
Possible discrepancies (2)

These blocks are registered to THE-RUBICON-PROJECT-LIMITED 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.

2a00:2381:fe33::/48 /48 authorized for AS2856 — British Telecommunications Limited
2a00:2381:fe33::/56 /56 authorized for AS2856 — British Telecommunications Limited

NIC Handles

AA BTNET-MNT DUMY-RIPE DUMY-RIPE QUZAUK