Data as of Nov 13, 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

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
208.0.0.0/11AS174Internet providerIP broker Rackdog (part)609
179 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, 1996abuse@cogentco.com
└ 208.17.64.0/204,096FON-34907914244562Ltd Sprint FLA ANS ISP (LTSF) · USReallocatedFeb 7, 2002—

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
May 2005
Current origin since
May 2005 · 22 yr
Origin networks
1