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 AS12021 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS12021\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: 12021
ASName: ROGERS-COMMUNICATIONS
ASHandle: AS12021
RegDate: 1999-03-04
Updated: 2017-01-12
Ref: https://rdap.arin.net/registry/autnum/12021
OrgName: Rogers Communications Canada Inc.
OrgId: RCC-190
Address: 8200 Dixie Rd
City: Brampton
StateProv: ON
PostalCode: L6T 4B8
Country: CA
RegDate: 2016-11-10
Updated: 2026-04-16
Ref: https://rdap.arin.net/registry/entity/RCC-190
OrgAbuseHandle: ARINA397-ARIN
OrgAbuseName: ARINAbuse
OrgAbusePhone: +1-416-935-5555
OrgAbuseEmail: internet.abuse@sjrb.ca
OrgAbuseRef: https://rdap.arin.net/registry/entity/ARINA397-ARIN
OrgTechHandle: ARINT91-ARIN
OrgTechName: ARINTech
OrgTechPhone: +1-416-935-5555
OrgTechEmail: ARINtech@rci.rogers.com
OrgTechRef: https://rdap.arin.net/registry/entity/ARINT91-ARIN
OrgTechHandle: IPMAN-ARIN
OrgTechName: IP MANAGE
OrgTechPhone: +1-647-747-3294
OrgTechEmail: ipmanage@rogers.wave.ca
OrgTechRef: https://rdap.arin.net/registry/entity/IPMAN-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.
#