This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
whois: 402332
IANA has recorded AS21867 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS21867\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: 21867
ASName: LIGHTPATH-COLUMBUS
ASHandle: AS21867
RegDate: 2026-02-13
Updated: 2026-02-13
Comment: https://lightpathfiber.com/
Ref: https://rdap.arin.net/registry/autnum/21867
OrgName: Cablevision Lightpath LLC
OrgId: CLL-174
Address: 1111 Stewart Avenue
City: Bethpage
StateProv: NY
PostalCode: 11714
Country: US
RegDate: 2024-06-24
Updated: 2026-01-21
Ref: https://rdap.arin.net/registry/entity/CLL-174
OrgNOCHandle: LFNMC-ARIN
OrgNOCName: Lightpath Fiber Network Management Center
OrgNOCPhone: +1-866-611-3434
OrgNOCEmail: ipadmin@lightpathfiber.com
OrgNOCRef: https://rdap.arin.net/registry/entity/LFNMC-ARIN
OrgAbuseHandle: LFAR-ARIN
OrgAbuseName: Lightpath Fiber Abuse Reports
OrgAbusePhone: +1-866-611-3434
OrgAbuseEmail: abuses@lightpathfiber.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/LFAR-ARIN
OrgTechHandle: LFIA1-ARIN
OrgTechName: Lightpath Fiber IP Admin
OrgTechPhone: +1-866-611-3434
OrgTechEmail: ipadmin@lightpathfiber.com
OrgTechRef: https://rdap.arin.net/registry/entity/LFIA1-ARIN
OrgTechHandle: OLE2-ARIN
OrgTechName: Optimum Lightpath Eng
OrgTechPhone: +1-866-611-3434
OrgTechEmail: ipadmin@lightpathfiber.com
OrgTechRef: https://rdap.arin.net/registry/entity/OLE2-ARIN
OrgTechHandle: CIO1-ARIN
OrgTechName: Cablevision Internet Operations
OrgTechPhone: +1-516-390-5480
OrgTechEmail: hostmaster@alticeusa.com
OrgTechRef: https://rdap.arin.net/registry/entity/CIO1-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.
#