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 AS2540 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS2540\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: 2540
ASName: INGRES-AS
ASHandle: AS2540
RegDate: 1993-03-05
Updated: 1993-03-05
Ref: https://rdap.arin.net/registry/autnum/2540
OrgName: Ingres Information Services
OrgId: IIS-118
Address: 1080 Marina Village Parkway
City: Alameda
StateProv: CA
PostalCode: 94501
Country: US
RegDate: 1993-03-05
Updated: 2012-10-10
Ref: https://rdap.arin.net/registry/entity/IIS-118
OrgTechHandle: LT114-ARIN
OrgTechName: Tanjoco, Larry
OrgTechPhone: +1-510-748-3264
OrgTechEmail: larryt@ingres.com
OrgTechRef: https://rdap.arin.net/registry/entity/LT114-ARIN
OrgAbuseHandle: LT114-ARIN
OrgAbuseName: Tanjoco, Larry
OrgAbusePhone: +1-510-748-3264
OrgAbuseEmail: larryt@ingres.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/LT114-ARIN
RTechHandle: LT114-ARIN
RTechName: Tanjoco, Larry
RTechPhone: +1-510-748-3264
RTechEmail: larryt@ingres.com
RTechRef: https://rdap.arin.net/registry/entity/LT114-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.
#