This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
whois: 402609
IANA has recorded AS4500 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS4500\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: 4500
ASName: NET-TIVOLI
ASHandle: AS4500
RegDate: 1995-04-04
Updated: 2000-02-09
Ref: https://rdap.arin.net/registry/autnum/4500
OrgName: Tivoli Systems, Inc
OrgId: TIVOLI-6
Address: 9442 Capitol Of Texas Highway, Suite 500
City: Austin
StateProv: TX
PostalCode: 78759
Country: US
RegDate: 1995-04-04
Updated: 2012-10-10
Ref: https://rdap.arin.net/registry/entity/TIVOLI-6
OrgAbuseHandle: IT24-ARIN
OrgAbuseName: Tivoli Systems Inc
OrgAbusePhone: +1-512-436-1374
OrgAbuseEmail: int-tech@tivoli.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/IT24-ARIN
OrgTechHandle: IT24-ARIN
OrgTechName: Tivoli Systems Inc
OrgTechPhone: +1-512-436-1374
OrgTechEmail: int-tech@tivoli.com
OrgTechRef: https://rdap.arin.net/registry/entity/IT24-ARIN
RTechHandle: IT24-ARIN
RTechName: Tivoli Systems Inc
RTechPhone: +1-512-436-1374
RTechEmail: int-tech@tivoli.com
RTechRef: https://rdap.arin.net/registry/entity/IT24-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.
#