COLLIERS INTERNATIONAL GROUP INC.

Colliers International
Data as of 2026-09-06
GLEIF verified
LEI
D3O8K13PHLEXXD1DT480
Registered name
COLLIERS INTERNATIONAL GROUP INC.
Jurisdiction
CA-ON
Ultimate parent
No parent on file in GLEIF
This organisation
Netblocks33 · 2,305 IPv4 addresses
IPv6 5 prefixes (largest 2003:100:81e::/48)
Registered in Germany (8) · Austria (5) · United Kingdom (5) · Australia (4) · Denmark (2) · Bulgaria (1)
Also registered under this name 39 netblocks across 4 separate records
Record ID236128465
RegistryAPNIC
Owner jurisdictionCA-ON
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI D3O8K13PHLEXXD1DT480
Shared handles clustered on 25 shared RIR contact/maintainer handles
Registry names 22 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (33)

⬇ 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
62.116.221.32/28 Colliers-International-Danmark-NET-2 RIPE ASSIGNED PA ● medium
152.115.35.32/28 Colliers-International-Danmark-NET-1 RIPE LEGACY ● medium
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
80.155.31.48/29 COLLIERS-INTERNATIONAL-STUTTGART-NET RIPE ASSIGNED PA ● low
81.201.155.169/32 COLLIERS RIPE ASSIGNED PA ● low
81.223.158.240/30 Colliers-International-Claudia-Leidenfrost RIPE ASSIGNED PA ● low
81.223.166.100/30 Colliers-International RIPE ASSIGNED PA ● low
81.223.187.32/30 Colliers-International-Claudia-Leidenfrost RIPE ASSIGNED PA ● low
87.224.15.192/27 COLLIERS-INTERNATIONAL-70650-LAN RIPE ASSIGNED PA ● low
87.224.54.96/27 COLLIERS-INTERNATIONAL-CN67917 RIPE ASSIGNED PA ● low
87.224.80.32/29 COLLIERS-INTERNATIONAL-69544-LAN RIPE ASSIGNED PA ● low
87.224.108.100/30 COLLIERS-INTERNATIONAL-CN69204-LAN RIPE ASSIGNED PA ● low
91.25.93.72/29 COLLIERS-INTERNATIONAL-HAMBURG-NET RIPE ASSIGNED PA ● low
91.26.242.64/29 COLLIERS-INTERNATIONAL-DEUTSCHLAND-FRANKFURT-AM-MAIN-NET 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
195.243.230.80/29 COLLIERS-INTERNATIONAL-MUENCHEN-NET RIPE ASSIGNED PA ● low
203.18.176.0/21 Colliers International Holdings (AUSTRALIA) Limited APNIC ALLOCATED PORTABLE ● low
212.17.86.168/30 Colliers-International RIPE ASSIGNED PA ● low
212.186.92.112/30 Colliers-International-Claudia-Leidenfrost 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
217.13.154.180/30 COLLIERS-INTERNATIONAL-CN70861 RIPE ASSIGNED PA ● low
2003:61:802d::/48 COLLIERS-INTERNATIONAL-MUENCHEN-NET RIPE ASSIGNED ● low
2003:c9:e812::/48 COLLIERS-INTERNATIONAL-DEUTSCHLAND-FRANKFURT-AM-MAIN-NET RIPE ASSIGNED ● low
2003:fb:3047::/48 COLLIERS-INTERNATIONAL-HAMBURG-NET RIPE ASSIGNED ● low
2003:100:81e::/48 COLLIERS-INTERNATIONAL-STUTTGART-NET RIPE ASSIGNED ● low
2a00:2381:f9d2::/48 COLLIERS-INTERNATIONAL RIPE AGGREGATED-BY-LIR ● low

IPv6 ranges (5)

CIDR
2003:100:81e::/48
2003:61:802d::/48
2003:c9:e812::/48
2003:fb:3047::/48
2a00:2381:f9d2::/48

Footprint over time

11 weekly snapshots · JSON
33 +19 netblocks since 2026-07-05
2026-07-05 peak 40 2026-09-06

Network trust

what's this?
RPKI hygiene: B how networks compare →
84.8% of checked blocks have valid RPKI ROA coverage (28 of 33)
Possible discrepancies (5)

These blocks are registered to Colliers International 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:f9d2::/48 /48 authorized for AS2856 — British Telecommunications Limited
2003:61:802d::/48 /48 authorized for AS3320 — Deutsche Telekom AG
2003:fb:3047::/48 /48 authorized for AS3320 — Deutsche Telekom AG
2003:100:81e::/48 /48 authorized for AS3320 — Deutsche Telekom AG
2003:c9:e812::/48 /48 authorized for AS3320 — Deutsche Telekom AG

NIC Handles

AC1861-AP APNIC-HM ARCOR-MNT AS12912-AUX-MNT AS55157 BT95-ADM BTNET-MNT CIDA1-RIPE DSI-MNT DTAG-NIC DUMY-RIPE DUMY-RIPE +13 more