SPENCER STUART INTERNATIONAL B.V.
Spencer Stuart
GLEIF verified
LEI
5493006IHSW2TFOS7K17
Registered name
SPENCER STUART INTERNATIONAL B.V.
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 11 · 2,079 IPv4 addresses |
| Registered in | United States (6) · United Kingdom (3) |
| All fragments | 12 blocks across 2 clusters |
| Cluster ID | 208808851 |
| Registry | BGP |
| Owner jurisdiction | NL |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 5493006IHSW2TFOS7K17 |
| Shared handles | clustered on 35 shared RIR contact/maintainer handles |
| Registry names | 6 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
10
0 netblocks since 2026-07-05
2026-07-05
peak 10
2026-07-19
IP Ranges (11)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 204.79.137.0/24 | Spencer Stuart | BGP | ANNOUNCED | ● 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 | BGP | ANNOUNCED | ● 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 |
| 204.79.137.0 – 204.79.139.255 | Spencer Stuart | ARIN | DIRECT ALLOCATION | ● 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 |
Possibly related to this organisation
what's this?Same name family
Separately-registered clusters whose names share “Spencer Stuart” — often
per-country or per-system registrations of the same brand, occasionally a different
organisation sharing the name. Not counted in this organisation's own footprint.
- SPENCER-STUART-SG 1 blocks
Sub-allocations under carriers
IP blocks an ISP reassigned to a similarly-named customer — decoded from the ISP's own
naming convention, not a direct registration.
- Spencer Stuart via COLT Technology Services Group Limited sub-allocation
- Spencer Stuart via COLT Technology Services Group Limited sub-allocation
- Spencer Stuart via Orange S.A. sub-allocation
- Spencer Stuart via COLT Technology Services Group Limited sub-allocation
- Spencer Stuart via COLT Technology Services Group Limited sub-allocation
- Spencerstuart via COLT Technology Services Group Limited sub-allocation
- SPENCERSTUART sub-allocation
- SPENCER-STUART-SG via Pacific Internet Pte Ltd sub-allocation
Network trust
what's this?
RPKI hygiene: D
how networks compare →
27.3%
of checked blocks have valid RPKI ROA coverage
(3 of 11)
Possible discrepancies (3)
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. |
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
+23 more