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 AS53821 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS53821\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: 53821
ASName: JPMORGAN-CPS-TAM-DTINET
ASHandle: AS53821
RegDate: 2011-07-05
Updated: 2021-11-29
Ref: https://rdap.arin.net/registry/autnum/53821
OrgName: JPMorgan Chase & Co.
OrgId: JMC-39
Address: 120 Broadway
City: New York
StateProv: NY
PostalCode: 10271-1999
Country: US
RegDate: 2006-11-21
Updated: 2017-10-19
Ref: https://rdap.arin.net/registry/entity/JMC-39
OrgAbuseHandle: ABUSE6593-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-614-213-0000
OrgAbuseEmail: domain.abuse@jpmchase.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE6593-ARIN
OrgTechHandle: IPADM322-ARIN
OrgTechName: IP Admin
OrgTechPhone: +1-614-248-5800
OrgTechEmail: ip-admin@jpmchase.com
OrgTechRef: https://rdap.arin.net/registry/entity/IPADM322-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.
#