ASN Lookup Tool

AS1239
Cogent Communications, LLC US US 0 Routes

AS1239Cogent Communications, LLC

AS Number 1239
AS Name COGENT-1239
Organization Cogent Communications, LLC(cogc)
Country US
Website cogentco.com
Number of IPv4 Routes 0
Number of IPv6 Routes 0
ASN type ISP
Allocation Status
Registry ARIN
Date Allocated 2025-12-23T00:00

Raw Whois Response

                                  #
# 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:       1239
ASName:         COGENT-1239
ASHandle:       AS1239
RegDate:        1991-03-25
Updated:        2025-12-23    
Ref:            https:/​/​rdap.arin.net/​registry/​autnum/​1239



OrgName:        Cogent Communications, LLC
OrgId:          COGC
Address:        2450 N Street NW
City:           Washington
StateProv:      DC
PostalCode:     20037
Country:        US
RegDate:        2000-05-30
Updated:        2025-09-23
Comment:        Geofeed https:/​/​geofeed.cogentco.com/​geofeed.csv
Ref:            https:/​/​rdap.arin.net/​registry/​entity/​COGC

ReferralServer:  rwhois:/​/​rwhois.cogentco.com:4321

OrgTechHandle: IPALL-ARIN
OrgTechName:   IP Allocation
OrgTechPhone:  +1-877-875-4311 
OrgTechEmail:  ipalloc@cogentco.com
OrgTechRef:    https:/​/​rdap.arin.net/​registry/​entity/​IPALL-ARIN

OrgNOCHandle: ZC108-ARIN
OrgNOCName:   Cogent Communications
OrgNOCPhone:  +1-877-875-4311 
OrgNOCEmail:  noc@cogentco.com
OrgNOCRef:    https:/​/​rdap.arin.net/​registry/​entity/​ZC108-ARIN

OrgAbuseHandle: COGEN-ARIN
OrgAbuseName:   Cogent Abuse
OrgAbusePhone:  +1-877-875-4311 
OrgAbuseEmail:  abuse@cogentco.com
OrgAbuseRef:    https:/​/​rdap.arin.net/​registry/​entity/​COGEN-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.
#
            

Parsed Whois Response

Peers

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AS6762 TELECOM ITALIA SPARKLE S.p.A. IT
AS22439 Perfect International, Inc US
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AS16509 Amazon.com, Inc. US
AS174 Cogent Communications, LLC US
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AS214618 IANA - Autonomous System Number GB

Upstreams

AS Number Description Country
AS32097 WholeSale Internet, Inc. US

Downstreams

AS Number Description Country
AS174 Cogent Communications, LLC US

Contacts

Email Contacts

Abuse Contacts

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