LAYER3 INTEL
Get started
Sign in
Data as of Nov 4, 2026

208.2.168.0/21

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
AS11398
Type
Residential
66% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
208.0.0.0/11AS174Internet provider604
176 always on
Cogent Communications, LLC

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
└ 208.2.168.0/212,048SPRINT-D002A8-6Sprint United Telephone Western Region (SPWR) · USReallocatedAug 5, 1998—
└ 208.2.169.0 - 208.2.170.255512CCSN-BLK1unknown———
└ 208.2.171.0/2816SPRINTLTD-D002AB00unknown———
└ 208.2.171.16/2816SLTD-D002AB10-001130unknown———
└ 208.2.171.32/2732SPRINTLTD-D002AB20unknown———
└ 208.2.171.64/2732SLTD-D002AB40-010822unknown———
└ 208.2.171.128/2732SLTD-D002AB80-001129unknown———
└ 208.2.171.160/2816SLTD-D002ABA0-010213unknown———
└ 208.2.171.176/2816SLTD-D002ABB0-010918unknown———
└ 208.2.171.192/2664STARFISHTECH-BLK1unknown———
└ 208.2.172.0/2664STARFISHTECH-BLK2unknown———
└ 208.2.172.64/2664SLTD-D002AC40-020215unknown———
└ 208.2.172.128/2664NEOENT-BLK1unknown———
└ 208.2.172.192/2664MARKETING-DIRECT-BLK2unknown———
└ 208.2.173.0/24256SPRINT-D002A8-6unknown———
└ 208.2.174.0/2732REHunknown———
└ 208.2.174.64 - 208.2.174.12663FACTUAL-DATA-BLK1unknown———
└ 208.2.174.128/2664DESTINYPRODCOM-BLK1unknown———
└ 208.2.174.192/2664REALCENTRIC-BLK1unknown———
└ 208.2.175.0/24256SPRINTLTD-D002AF00unknown———

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

2,048 addresses
TypeAddressesShareRanges
Residential1,34566%6
Business70334%16

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
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
Sprint United Telephone Western Region (SPWR)
Reallocated range
208.2.168.0/21
Reallocated
Aug 5, 1998
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