COLLIERS INTERNATIONAL GROUP INC.
Colliers International
LEI
D3O8K13PHLEXXD1DT480
Registered name
COLLIERS INTERNATIONAL GROUP INC.
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 14 |
| All fragments | 42 blocks across 7 clusters |
| Cluster ID | 191660587 |
| Registry | APNIC |
| Owner jurisdiction | CA-ON |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Legal identity | LEI D3O8K13PHLEXXD1DT480 |
| Shared handles | clustered on 16 shared RIR contact/maintainer handles |
| Registry names | 9 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
14
0 netblocks since 2026-07-05
2026-07-05
peak 14
2026-07-06
IP Ranges (14)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 77.240.249.80/29 | Colliers International | RIPE | ASSIGNED PA | ● high |
| 203.18.180.0/24 | Colliers International | BGP | ANNOUNCED | ● high |
| 203.18.183.0/24 | Colliers International | BGP | ANNOUNCED | ● high |
| 59.154.186.112/30 | COLLIERS | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 62.176.76.160/29 | Colliers_International | RIPE | ASSIGNED PA | ● low |
| 77.40.225.224/28 | COLLIERS-INTERNATIONAL-NET | RIPE | ASSIGNED PA | ● low |
| 81.201.155.169/32 | COLLIERS | RIPE | ASSIGNED PA | ● low |
| 81.223.166.100/30 | Colliers-International | RIPE | ASSIGNED PA | ● low |
| 145.253.81.32/29 | COLLIERS-NET | RIPE | ASSIGNED PA | ● low |
| 178.183.0.176/28 | COLLIERS | RIPE | ASSIGNED PA | ● low |
| 212.17.86.168/30 | Colliers-International | RIPE | ASSIGNED PA | ● low |
| 213.23.173.80/28 | COLLIERS-NET | RIPE | ASSIGNED PA | ● low |
| 213.23.190.176/28 | COLLIERS-NET | RIPE | ASSIGNED PA | ● low |
| 2a00:2381:f9d2::/48 | COLLIERS-INTERNATIONAL | RIPE | AGGREGATED-BY-LIR | ● low |
Corporate group (2 entities) ~
Network trust
what's this?
RPKI hygiene: C
how networks compare →
78.6%
of checked blocks have valid RPKI ROA coverage
(11 of 14)
Possible discrepancies (1)
These blocks are registered to Colliers International 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:f9d2::/48 /48 | authorized for AS2856 — British Telecommunications PLC |
NIC Handles
ARCOR-MNT
AS12912-AUX-MNT
AS55157
BT95-ADM
BTNET-MNT
DSI-MNT
DUMY-RIPE
DUMY-RIPE
MAINT-AU-COLLIERS
MAINT-OPTUSCOM-AP
MNT-TOP_CONNECT
OA3-AP
+4 more