This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS18906 1 More Specifics 1 Total Advertisements CONCORD-AS, US
50.59.217.0/24 50.58.0.0/15
whois: 402590
IANA has recorded AS18906 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS18906\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/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#
ASNumber: 18906
ASName: CONCORD-AS
ASHandle: AS18906
RegDate: 2012-07-13
Updated: 2024-12-31
Ref: https://rdap.arin.net/registry/autnum/18906
OrgName: Concord Management Ltd
OrgId: CML-82
Address: 2605 Maitland Center Pkwy
Address: Suite A
City: Maitland
StateProv: FL
PostalCode: 32751
Country: US
RegDate: 2012-07-11
Updated: 2023-07-05
Ref: https://rdap.arin.net/registry/entity/CML-82
OrgTechHandle: RCR109-ARIN
OrgTechName: Robuck, Robin C
OrgTechPhone: +1-407-741-8586
OrgTechEmail: robin.robuck@concordrents.com
OrgTechRef: https://rdap.arin.net/registry/entity/RCR109-ARIN
OrgAbuseHandle: JMU16-ARIN
OrgAbuseName: Mueller, Jim
OrgAbusePhone: +1-407-741-8589
OrgAbuseEmail: jim.mueller@concordrents.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/JMU16-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.
#