AS Number
AS2149
AS Name
COGENT-2149
Org Name
Cogent Communications, LLC
Country / Region
United States
Registry

arin

RegDate

2000-05-30

Updated

2025-09-23

AS2149 Looking Glass
IPv4Prefixes

1

IPv6Prefixes

1

IPv4 NUMs

256

IPv6 NUMs(/64)

65,536

CIDR Description IP Num
192.33.4.0/24
Cogent Communications, LLC 256
CIDR Description IP NUMs(prefix /64)
2001:500:2::/48
IRR Valid
Cogent Communications, LLC 65536
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS174 COGENT-174 - Cogent Communications, LLC, US United States 36,233,472 215,834,689,537 IPv4 IPv4 IPv6 IPv6
AS1239 COGENT-1239 - Cogent Communications, LLC, US United States 0 210,729,631,744 IPv4 IPv4 IPv6 IPv6

Whois Record

ASNumber 2149

ASNumber
2149
ASName
COGENT-2149
ASHandle
RegDate
1993-01-14
Updated
2012-03-02
Ref
https://rdap.arin.net/registry/autnum/2149

OrgID COGC

OrgID
COGC
OrgName
Cogent Communications, LLC
CanAllocate
Street
2450 N Street NW
City
Washington
State/Prov
DC
Country
US
PostalCode
20037
Comment
Geofeed https://geofeed.cogentco.com/geofeed.csv
RegDate
2000-05-30
Updated
2025-09-23
ReferralServer
rwhois://rwhois.cogentco.com:4321
OrgAdminHandle
IPALL-ARIN
OrgTechHandle
IPALL-ARIN
OrgAbuseHandle
COGEN-ARIN
OrgNOCHandle
ZC108-ARIN
Source
ARIN

OrgAdminHandleHandle IPALL-ARIN

OrgAdminHandleHandle
IPALL-ARIN
OrgAdminHandleName
IP Allocation,
OrgAdminHandlePhone
+1-877-875-4311
OrgAdminHandleEmail
ipalloc@cogentco.com
OrgAdminHandleRef
https://rdap.arin.net/registry/entity/IPALL-ARIN

OrgTechHandleHandle IPALL-ARIN

OrgTechHandleHandle
IPALL-ARIN
OrgTechHandleName
IP Allocation,
OrgTechHandlePhone
+1-877-875-4311
OrgTechHandleEmail
ipalloc@cogentco.com
OrgTechHandleRef
https://rdap.arin.net/registry/entity/IPALL-ARIN

OrgAbuseHandleHandle COGEN-ARIN

OrgAbuseHandleHandle
COGEN-ARIN
OrgAbuseHandleName
Cogent Abuse,
OrgAbuseHandlePhone
+1-877-875-4311
OrgAbuseHandleEmail
abuse@cogentco.com
OrgAbuseHandleRef
https://rdap.arin.net/registry/entity/COGEN-ARIN

OrgNOCHandleHandle ZC108-ARIN

OrgNOCHandleHandle
ZC108-ARIN
OrgNOCHandleName
Cogent Communications,
OrgNOCHandlePhone
+1-877-875-4311
OrgNOCHandleEmail
noc@cogentco.com
OrgNOCHandleRef
https://rdap.arin.net/registry/entity/ZC108-ARIN

ASNumber:       2149
ASName:         COGENT-2149
ASHandle:       AS2149
RegDate:        1993-01-14
Updated:        2012-03-02
Ref:            https://rdap.arin.net/registry/autnum/2149

OrgID:          COGC
OrgName:        Cogent Communications, LLC
CanAllocate:    
Street:         2450 N Street NW
City:           Washington
State/Prov:     DC
Country:        US
PostalCode:     20037
Comment:        Geofeed https://geofeed.cogentco.com/geofeed.csv
RegDate:        2000-05-30
Updated:        2025-09-23
ReferralServer: rwhois://rwhois.cogentco.com:4321
OrgAdminHandle  IPALL-ARIN
OrgTechHandle   IPALL-ARIN
OrgAbuseHandle  COGEN-ARIN
OrgNOCHandle    ZC108-ARIN
Source:         ARIN

OrgAdminHandleHandle:  IPALL-ARIN
OrgAdminHandleName:    IP Allocation, 
OrgAdminHandlePhone:   +1-877-875-4311
OrgAdminHandleEmail:   ipalloc@cogentco.com
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/IPALL-ARIN

OrgTechHandleHandle:  IPALL-ARIN
OrgTechHandleName:    IP Allocation, 
OrgTechHandlePhone:   +1-877-875-4311
OrgTechHandleEmail:   ipalloc@cogentco.com
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/IPALL-ARIN

OrgAbuseHandleHandle:  COGEN-ARIN
OrgAbuseHandleName:    Cogent Abuse, 
OrgAbuseHandlePhone:   +1-877-875-4311
OrgAbuseHandleEmail:   abuse@cogentco.com
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/COGEN-ARIN

OrgNOCHandleHandle:  ZC108-ARIN
OrgNOCHandleName:    Cogent Communications, 
OrgNOCHandlePhone:   +1-877-875-4311
OrgNOCHandleEmail:   noc@cogentco.com
OrgNOCHandleRef:     https://rdap.arin.net/registry/entity/ZC108-ARIN