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 AS21596 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS21596\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: 21596
ASName: AHCA
ASHandle: AS21596
RegDate: 2008-09-18
Updated: 2012-03-02
Comment: http://www.ahca.org
Ref: https://rdap.arin.net/registry/autnum/21596
OrgName: AHCA
OrgId: AHCA
Address: 1201 L Street NW
City: Washington
StateProv: DC
PostalCode: 20005
Country: US
RegDate: 1995-10-15
Updated: 2011-11-07
Ref: https://rdap.arin.net/registry/entity/AHCA
OrgTechHandle: ADMIN2846-ARIN
OrgTechName: Admin
OrgTechPhone: +1-202-898-2835
OrgTechEmail: licenses@ahca.org
OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN2846-ARIN
OrgAbuseHandle: ADMIN2846-ARIN
OrgAbuseName: Admin
OrgAbusePhone: +1-202-898-2835
OrgAbuseEmail: licenses@ahca.org
OrgAbuseRef: https://rdap.arin.net/registry/entity/ADMIN2846-ARIN
RNOCHandle: PBU66-ARIN
RNOCName: Bumbray, Patrick
RNOCPhone: +1-202-842-4444
RNOCEmail: pbumbray@ahca.org
RNOCRef: https://rdap.arin.net/registry/entity/PBU66-ARIN
RTechHandle: PBU66-ARIN
RTechName: Bumbray, Patrick
RTechPhone: +1-202-842-4444
RTechEmail: pbumbray@ahca.org
RTechRef: https://rdap.arin.net/registry/entity/PBU66-ARIN
RAbuseHandle: PBU66-ARIN
RAbuseName: Bumbray, Patrick
RAbusePhone: +1-202-842-4444
RAbuseEmail: pbumbray@ahca.org
RAbuseRef: https://rdap.arin.net/registry/entity/PBU66-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.
#