This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
whois: 402617
IANA has recorded AS5667 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS5667\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: 5667
ASName: FASTNET2-ASN
ASHandle: AS5667
RegDate: 1995-08-09
Updated: 1995-08-09
Ref: https://rdap.arin.net/registry/autnum/5667
OrgName: You Tools Corporation/FastNet
OrgId: YTC
Address: 2 Courtney Place, 3864 Courtney Street, Suite 130
City: Bethlehem
StateProv: PA
PostalCode: 18017
Country: US
RegDate: 1995-01-09
Updated: 2011-09-24
Ref: https://rdap.arin.net/registry/entity/YTC
OrgAbuseHandle: CKN23-ARIN
OrgAbuseName: No, Contact Known
OrgAbusePhone: +1-800-555-1234
OrgAbuseEmail: nobody@example.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/CKN23-ARIN
OrgTechHandle: CKN23-ARIN
OrgTechName: No, Contact Known
OrgTechPhone: +1-800-555-1234
OrgTechEmail: nobody@example.com
OrgTechRef: https://rdap.arin.net/registry/entity/CKN23-ARIN
RTechHandle: DKV5-ARIN
RTechName: Van Allen, David K.
RTechPhone: +1-610-954-5200
RTechEmail: dave@fast.net
RTechRef: https://rdap.arin.net/registry/entity/DKV5-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.
#