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 AS16621 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS16621\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: 16621
ASName: DARKHORSE
ASHandle: AS16621
RegDate: 2013-04-16
Updated: 2013-04-16
Ref: https://rdap.arin.net/registry/autnum/16621
OrgName: Dark Horse Networks
OrgId: DHNL
Address: 66565 Muller Rd
City: Belmont
StateProv: OH
PostalCode: 43718
Country: US
RegDate: 2010-04-30
Updated: 2024-11-25
Comment: http://darkhorsenetworks.com
Ref: https://rdap.arin.net/registry/entity/DHNL
OrgNOCHandle: FEISL-ARIN
OrgNOCName: Feisley, Jacob
OrgNOCPhone: +1-740-359-6135
OrgNOCEmail: jacob@darkhorsenetworks.com
OrgNOCRef: https://rdap.arin.net/registry/entity/FEISL-ARIN
OrgAbuseHandle: FEISL-ARIN
OrgAbuseName: Feisley, Jacob
OrgAbusePhone: +1-740-359-6135
OrgAbuseEmail: jacob@darkhorsenetworks.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/FEISL-ARIN
OrgTechHandle: FEISL-ARIN
OrgTechName: Feisley, Jacob
OrgTechPhone: +1-740-359-6135
OrgTechEmail: jacob@darkhorsenetworks.com
OrgTechRef: https://rdap.arin.net/registry/entity/FEISL-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.
#