This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
whois: 402603
IANA has recorded AS4321 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS4321\n
#
# 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/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#
ASNumber: 4321
ASName: INSINC2
ASHandle: AS4321
RegDate: 1995-02-01
Updated: 1995-10-30
Ref: https://rdap.arin.net/registry/autnum/4321
OrgName: Intergrated Network Services Inc.
OrgId: INS-53
Address: INSINC, A Division of Sprint Canada
Address: 301 Industrial Avenue
City: Vancouver
StateProv: BC
PostalCode: V6B 4N5
Country: CA
RegDate: 1995-02-01
Updated: 2019-08-08
Ref: https://rdap.arin.net/registry/entity/INS-53
OrgTechHandle: RR57-ARIN
OrgTechName: Ripley, Ron
OrgTechPhone: +1-800-665-3633
OrgTechEmail: rripley@econnect.ca
OrgTechRef: https://rdap.arin.net/registry/entity/RR57-ARIN
OrgAbuseHandle: RR57-ARIN
OrgAbuseName: Ripley, Ron
OrgAbusePhone: +1-800-665-3633
OrgAbuseEmail: rripley@econnect.ca
OrgAbuseRef: https://rdap.arin.net/registry/entity/RR57-ARIN
RTechHandle: RR57-ARIN
RTechName: Ripley, Ron
RTechPhone: +1-800-665-3633
RTechEmail: rripley@econnect.ca
RTechRef: https://rdap.arin.net/registry/entity/RR57-ARIN
#
# 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/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#