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 AS13604 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS13604\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: 13604
ASName: FLC-DUN
ASHandle: AS13604
RegDate: 2012-07-03
Updated: 2023-02-03
Ref: https://rdap.arin.net/registry/autnum/13604
OrgName: OTI Fiber LLC
OrgId: OFL-67
Address: 23748 State Road 40
City: Astor
StateProv: FL
PostalCode: 32102
Country: US
RegDate: 2022-10-26
Updated: 2023-10-24
Ref: https://rdap.arin.net/registry/entity/OFL-67
OrgNOCHandle: NOC3221-ARIN
OrgNOCName: NOC
OrgNOCPhone: +1-305-779-7777
OrgNOCEmail: networkops@opticaltel.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC3221-ARIN
OrgTechHandle: NOC3221-ARIN
OrgTechName: NOC
OrgTechPhone: +1-305-779-7777
OrgTechEmail: networkops@opticaltel.com
OrgTechRef: https://rdap.arin.net/registry/entity/NOC3221-ARIN
OrgAbuseHandle: ABUSE8358-ARIN
OrgAbuseName: ABUSE
OrgAbusePhone: +1-305-779-7777
OrgAbuseEmail: abuse@opticaltel.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE8358-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.
#