SPENCER STUART INTERNATIONAL B.V.

Spencer Stuart
Data as of 2026-09-27
GLEIF verified
LEI
5493006IHSW2TFOS7K17
Registered name
SPENCER STUART INTERNATIONAL B.V.
Jurisdiction
NL
Ultimate parent
No parent on file in GLEIF
This organisation
Netblocks13 · 1,592 IPv4 addresses
IPv6 2 prefixes (largest 2a00:80a0::/32)
Registered in United States (12) · United Kingdom (3)
Also registered under this name 18 netblocks across 2 separate records
Record ID245473957
RegistryBGP
Owner jurisdictionNL
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 5493006IHSW2TFOS7K17
Shared handles clustered on 36 shared RIR contact/maintainer handles
Registry names 6 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (13)

⬇ export CSV
CIDR Org name Registry Status Confidence
192.203.166.0/24 Spencer Stuart ARIN DIRECT ALLOCATION ● high
196.27.15.0/28 Spencer Stuart ARIN ASSIGNMENT ● high
204.79.137.0 – 204.79.139.255 Spencer Stuart ARIN DIRECT ALLOCATION ● high
204.79.137.0/24 Spencer Stuart ARIN ALLOCATION ● high
204.79.138.0/24 Spencer Stuart BGP ANNOUNCED ● high
204.79.139.0/24 Spencer Stuart BGP ANNOUNCED ● high
204.79.140.0/24 Spencer Stuart ARIN DIRECT ALLOCATION ● high
204.79.172.0/24 Spencer Stuart BGP ANNOUNCED ● high
193.240.227.208/28 SPENCER-STUART-INTERNATIONAL RIPE ASSIGNED PA ● low
193.240.242.240/28 SPENCER-STUART-INTERNATIONAL RIPE ASSIGNED PA ● low
195.166.123.240/29 Spencer-Stuart RIPE ASSIGNED PA ● low
2a00:2381:cd7e::/48 SPENCER-STUART RIPE AGGREGATED-BY-LIR ● low
2a00:80a0::/32 Spencer Stuart International B.V. RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (2)

CIDR
2a00:80a0::/32
2a00:2381:cd7e::/48

Footprint over time

14 weekly snapshots · JSON
17 +7 netblocks since 2026-07-05
2026-07-05 peak 17 2026-09-27

Network trust

what's this?
RPKI hygiene: D how networks compare →
41.2% of checked blocks have valid RPKI ROA coverage (7 of 17)
Possible discrepancies (6)

These blocks are registered to Spencer Stuart but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a00:2381:cd7e::/48 /48 authorized for AS2856 — British Telecommunications Limited
204.79.137.0/24 /24 authorized for AS14618 — Amazon.com, Inc.
204.79.140.0/24 /24 authorized for AS14618 — Amazon.com, Inc.
204.79.137.0/24 /24 authorized for AS14618 — Amazon.com, Inc.
204.79.140.0/24 /24 authorized for AS14618 — Amazon.com, Inc.
204.79.140.0/24 /24 authorized for AS14618 — Amazon.com, Inc.

NIC Handles

AS27313 BTNET-MNT CHOIK12-ARIN CHOIK12-ARIN CHOIK12-ARIN CHOIK12-ARIN CHOIK12-ARIN DR-MNTR DRR50-ARIN DRR50-ARIN DRR50-ARIN DRR50-ARIN +24 more