Data as of Nov 3, 2026

208.17.76.0/22

No anonymizer space · no proxy exits in 30 days

CenturyLink Communications, LLC · space held by Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
Residential

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
208.0.0.0/11AS174Internet provider603
175 always on
Cogent Communications, LLC
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
208.17.76.0/24
since May 2016
AS209ResidentialCogent Communications, LLC
via Ltd Sprint FLA ANS ISP
208.17.77.0/24
since May 2016
AS209ResidentialCogent Communications, LLC
via Ltd Sprint FLA ANS ISP
208.17.78.0/24
since May 2016
AS209ResidentialCogent Communications, LLC
via Ltd Sprint FLA ANS ISP

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
208.0.0.0 - 208.35.255.2552,359,296COGCCogent Communications, LLC (COGC) · USDirect AllocationMar 13, 1996[email protected]
└ 208.17.64.0/204,096FON-34907914244562Ltd Sprint FLA ANS ISP (LTSF) · USReallocatedFeb 7, 2002—

Network & registry

IPv4 market

Holder

Organization
Cogent Communications, LLC
Handle
COGC
Range
208.0.0.0 - 208.35.255.255
Registration type
Direct Allocation
Record created
Mar 13, 1996
Legacy
yes
Reallocated to
Ltd Sprint FLA ANS ISP (LTSF)
Reallocated range
208.17.64.0/20
Reallocated
Feb 7, 2002
Origin network

AS11398

US
Name
CenturyLink Communications, LLC
Type
Internet provider
Registered
Aug 4, 1998
Domain
centurylink.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed