This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
whois: 402577
IANA has recorded AS15003 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS15003\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: 15003
ASName: LEASEWEB
ASHandle: AS15003
RegDate: 2007-04-10
Updated: 2021-02-15
Comment: Please send all abuse notifications to the following email address: abuse@us.leaseweb.com. To ensure proper processing of your abuse notification, please visit the website www.leaseweb.com/abuse for notification requirements. All police and other government agency requests must be sent to subpoenas@us.leaseweb.com.
Ref: https://rdap.arin.net/registry/autnum/15003
Leaseweb USA, Inc. (LU)
OrgAbuseHandle: LUAD3-ARIN
OrgAbuseName: Leaseweb US abuse dept
OrgAbusePhone: +1-571-814-3777
OrgAbuseEmail: abuse@us.leaseweb.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/LUAD3-ARIN
OrgTechHandle: LEASE-ARIN
OrgTechName: Leaseweb ARIN
OrgTechPhone: +1-571-814-3777
OrgTechEmail: netops@us.leaseweb.com
OrgTechRef: https://rdap.arin.net/registry/entity/LEASE-ARIN
OrgNOCHandle: LEASE-ARIN
OrgNOCName: Leaseweb ARIN
OrgNOCPhone: +1-571-814-3777
OrgNOCEmail: netops@us.leaseweb.com
OrgNOCRef: https://rdap.arin.net/registry/entity/LEASE-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.
#