AS55157 Colliers International

COLLIERS - Colliers International · registered in the United States

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in United States#11,831largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#52,513of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS55157 in ASN lookup Look up an IP in this network (203.18.180.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

203.18.180.0/24
203.18.183.0/24

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AS55161#11832 DIGI-201302 - Digipress Inc512

AS55179#11833 MMA - The Metropolitan Museum of Art512

AS55181#11834 KEUKA-COLLEGE - Keuka College512

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources