This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
whois: 402603
IANA has recorded AS6 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS6\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: 6
ASName: BULL-HN
ASHandle: AS6
RegDate: 1984-02-02
Updated: 2021-01-21
Ref: https://rdap.arin.net/registry/autnum/6
OrgName: ATOS IT Solutions and Services, Inc.
OrgId: ATOS-Z
Address: 13430 N BLACK CANYON HWY
City: PHOENIX
StateProv: AZ
PostalCode: 85029
Country: US
RegDate: 2020-10-26
Updated: 2022-11-07
Ref: https://rdap.arin.net/registry/entity/ATOS-Z
OrgAbuseHandle: CHARL200-ARIN
OrgAbuseName: Charlie
OrgAbusePhone: +1-602-686-6481
OrgAbuseEmail: charlie.molnar@bull.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/CHARL200-ARIN
OrgTechHandle: CHARL200-ARIN
OrgTechName: Charlie
OrgTechPhone: +1-602-686-6481
OrgTechEmail: charlie.molnar@bull.com
OrgTechRef: https://rdap.arin.net/registry/entity/CHARL200-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.
#