This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
whois: 402332
IANA has recorded AS22539 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS22539\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: 22539
ASName: CARDINALHEALTH-PR
ASHandle: AS22539
RegDate: 2026-01-21
Updated: 2026-01-21
Ref: https://rdap.arin.net/registry/autnum/22539
OrgName: Cardinal Health, Inc.
OrgId: CARDIN-25
Address: 7000 Cardinal Place
City: Dublin
StateProv: OH
PostalCode: 43017
Country: US
RegDate: 2001-12-05
Updated: 2016-05-06
Ref: https://rdap.arin.net/registry/entity/CARDIN-25
OrgAbuseHandle: CHIA1-ARIN
OrgAbuseName: Cardinal Health IP Admin
OrgAbusePhone: +1-614-757-8024
OrgAbuseEmail: gmb-ip-admin@cardinalhealth.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/CHIA1-ARIN
OrgTechHandle: CHIA1-ARIN
OrgTechName: Cardinal Health IP Admin
OrgTechPhone: +1-614-757-8024
OrgTechEmail: gmb-ip-admin@cardinalhealth.com
OrgTechRef: https://rdap.arin.net/registry/entity/CHIA1-ARIN
OrgNOCHandle: CHIA1-ARIN
OrgNOCName: Cardinal Health IP Admin
OrgNOCPhone: +1-614-757-8024
OrgNOCEmail: gmb-ip-admin@cardinalhealth.com
OrgNOCRef: https://rdap.arin.net/registry/entity/CHIA1-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.
#