LAYER3 INTEL
Get started
TripwireIntel APIIP IntelPricingBlogDocsContactSign in
Data as of Nov 3, 2026

65.173.64.0/20

No anonymizer space · no proxy exits in 30 days

Cogent Communications, LLC

Announcement
65.172.0.0/15
No RPKI
Announced by
AS174
Type
Residential

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
65.173.64.0/22
since May 2005
AS11398ResidentialCogent Communications, LLC
via Sprint DSL Network
65.173.76.0/24
since Jul 2019
AS209ResidentialCogent Communications, LLC
via Sprint DSL Network
65.173.78.0/24
since Jul 2019
AS209ResidentialCogent Communications, LLC
via Sprint DSL Network
65.173.79.0/24
since Jul 2019
AS209ResidentialCogent Communications, LLC
via Sprint DSL Network

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
65.160.0.0 - 65.173.255.255917,504COGCCogent Communications, LLC (COGC) · USDirect AllocationSep 19, 2000[email protected]
└ 65.173.64.0/204,096FON-110187315290235Ltd Sprint FLA ANS ISP (LTSF) · USReallocatedOct 30, 2001—
└ 65.173.64.0/204,096CENTURYLINK-FL-DSLSprint DSL Network (SDSL) · USReallocatedJan 8, 2002—

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 65.172.0.0/15

Prefix
65.172.0.0/15
Announced by
AS174 Cogent Communications, LLC
Type
Internet provider
Proxy exits
66
Always-on exits
12
RPKI
No RPKI
Netname
COGC
Registrant
Cogent Communications, LLC
RIR
ARIN
Origin network

AS174

US
Name
Cogent Communications, LLC
Type
Internet provider
Registered
May 16, 1996
Domain
cogentco.com
Website
www.cogentco.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed
VPN servers
1,658