55157 COLLIERS - Colliers International, US
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS2764 AAPT - AAPT Limited, AU
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 51033 AS55157 ORIGIN Originate: 512 /23.00 Transit: 0 /0.00 COLLIERS - Colliers International, US
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 48649 AS55157 COLLIERS - Colliers International, US 2 0 0 2 0 0.00% Prefix AS Path Aggregation Suggestion 203.18.180.0/24 4608 1221 2764 55157 203.18.183.0/24 4608 1221 2764 55157
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS55157 2 More Specifics 2 Total Advertisements COLLIERS - Colliers International, US
203.18.180.0/24 203.18.176.0/21
203.18.183.0/24 203.18.176.0/21
whois: 402591
IANA has recorded AS55157 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS55157\n
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ASNumber: 55157
ASName: COLLIERS
ASHandle: AS55157
RegDate: 2013-03-19
Updated: 2013-03-19
Ref: https://rdap.arin.net/registry/autnum/55157
OrgName: Colliers International
OrgId: CIWL
Address: 601 Union Street, Suite 4800
City: Seattle
StateProv: WA
PostalCode: 98101
Country: US
RegDate: 2013-01-25
Updated: 2023-03-27
Ref: https://rdap.arin.net/registry/entity/CIWL
OrgAbuseHandle: HYTTI-ARIN
OrgAbuseName: Hyttinen, Saku
OrgAbusePhone: +1-212-716-3610
OrgAbuseEmail: saku.hyttinen@colliers.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/HYTTI-ARIN
OrgRoutingHandle: HYTTI-ARIN
OrgRoutingName: Hyttinen, Saku
OrgRoutingPhone: +1-212-716-3610
OrgRoutingEmail: saku.hyttinen@colliers.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/HYTTI-ARIN
OrgTechHandle: SEARC22-ARIN
OrgTechName: Searchfield, Bede
OrgTechPhone: +1-604-661-0898
OrgTechEmail: bede.searchfield@colliers.com
OrgTechRef: https://rdap.arin.net/registry/entity/SEARC22-ARIN
OrgDNSHandle: HYTTI-ARIN
OrgDNSName: Hyttinen, Saku
OrgDNSPhone: +1-212-716-3610
OrgDNSEmail: saku.hyttinen@colliers.com
OrgDNSRef: https://rdap.arin.net/registry/entity/HYTTI-ARIN
OrgNOCHandle: SEARC22-ARIN
OrgNOCName: Searchfield, Bede
OrgNOCPhone: +1-604-661-0898
OrgNOCEmail: bede.searchfield@colliers.com
OrgNOCRef: https://rdap.arin.net/registry/entity/SEARC22-ARIN
OrgAbuseHandle: SEARC22-ARIN
OrgAbuseName: Searchfield, Bede
OrgAbusePhone: +1-604-661-0898
OrgAbuseEmail: bede.searchfield@colliers.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/SEARC22-ARIN
OrgNOCHandle: HYTTI-ARIN
OrgNOCName: Hyttinen, Saku
OrgNOCPhone: +1-212-716-3610
OrgNOCEmail: saku.hyttinen@colliers.com
OrgNOCRef: https://rdap.arin.net/registry/entity/HYTTI-ARIN
OrgDNSHandle: SEARC22-ARIN
OrgDNSName: Searchfield, Bede
OrgDNSPhone: +1-604-661-0898
OrgDNSEmail: bede.searchfield@colliers.com
OrgDNSRef: https://rdap.arin.net/registry/entity/SEARC22-ARIN
OrgRoutingHandle: SEARC22-ARIN
OrgRoutingName: Searchfield, Bede
OrgRoutingPhone: +1-604-661-0898
OrgRoutingEmail: bede.searchfield@colliers.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/SEARC22-ARIN
OrgTechHandle: HYTTI-ARIN
OrgTechName: Hyttinen, Saku
OrgTechPhone: +1-212-716-3610
OrgTechEmail: saku.hyttinen@colliers.com
OrgTechRef: https://rdap.arin.net/registry/entity/HYTTI-ARIN
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# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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