PROQUEST LIMITED
PROQUEST, LLC
GLEIF verified
LEI
213800JN7LDMZJOR8249
Registered name
PROQUEST LIMITED
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 6 |
| Cluster ID | 191657703 |
| Registry | BGP |
| Owner jurisdiction | GB |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 213800JN7LDMZJOR8249 |
| 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
2 weekly snapshots · JSON
6
0 netblocks since 2026-07-05
2026-07-05
peak 6
2026-07-06
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