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 AS25723 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS25723\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: 25723
ASName: AOLTW-WMG-DE
ASHandle: AS25723
RegDate: 2002-04-26
Updated: 2019-03-22
Ref: https://rdap.arin.net/registry/autnum/25723
OrgName: Yahoo Holdings Inc.
OrgId: OH-207
Address: 770 BROADWAY FL 9
City: New York
StateProv: NY
PostalCode: 10003-9558
Country: US
RegDate: 2018-12-21
Updated: 2025-09-03
Ref: https://rdap.arin.net/registry/entity/OH-207
OrgNOCHandle: OATHN-ARIN
OrgNOCName: Oath NOC
OrgNOCPhone: +1-408-349-5555
OrgNOCEmail: rir-noc@yahoo-inc.com
OrgNOCRef: https://rdap.arin.net/registry/entity/OATHN-ARIN
OrgAbuseHandle: OATHA-ARIN
OrgAbuseName: Oath Abuse
OrgAbusePhone: +1-408-349-3300
OrgAbuseEmail: network-abuse@cc.yahoo-inc.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/OATHA-ARIN
OrgTechHandle: OTC2-ARIN
OrgTechName: Oath Tech Contact
OrgTechPhone: +1-408-349-5555
OrgTechEmail: rir-tech@yahooinc.com
OrgTechRef: https://rdap.arin.net/registry/entity/OTC2-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.
#