ProQuest LLC

PROQUEST, LLC
GLEIF verified
LEI
549300HEWVTWR2ZQ4F35
Registered name
ProQuest LLC
Jurisdiction
US-DE
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks6
Cluster ID206007753
RegistryBGP
Owner jurisdictionUS-DE
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 549300HEWVTWR2ZQ4F35
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

Footprint over time

4 weekly snapshots · JSON
6 0 netblocks since 2026-07-05
2026-07-05 peak 6 2026-07-13

IP Ranges (6)

⬇ export CSV
CIDR Org name Registry Status Confidence
8.4.224.0/24 PROQUEST, LLC BGP ANNOUNCED ● high
140.174.36.0/24 PROQUEST, LLC BGP ANNOUNCED ● high
165.215.192.0/18 PROQUEST, LLC BGP ANNOUNCED ● high
165.215.250.0/24 PROQUEST LLC BGP ANNOUNCED ● high
192.33.187.0/24 PROQUEST, LLC BGP ANNOUNCED ● high
2001:630:205::/48 PROQUEST RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: D how networks compare →
33.3% of checked blocks have valid RPKI ROA coverage (2 of 6)
Possible discrepancies (1)

These blocks are registered to PROQUEST, LLC 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.

2001:630:205::/48 /48 authorized for AS786 — Jisc Services Limited

NIC Handles

AS1975 AS40675 DUMY-RIPE DUMY-RIPE JANET-HOSTMASTER