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Data as of Nov 8, 2026

206.159.176.0/20

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
68% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
206.158.0.0/15
since Jun 2025
AS174Internet provider10Cogent 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
206.158.0.0 - 206.160.255.255196,608COGCCogent Communications, LLC (COGC) · USDirect AllocationOct 6, 1995abuse@cogentco.com
└ 206.159.176.0/204,096SPRINT-CE9FB0-1Sprint United Telephone Western Region (SPWR) · USReallocatedNov 30, 1998—
└ 206.159.177.0/24256SLTD-CE9FB100-020213unknown———
└ 206.159.178.0/25128BOYD-GAMING-BLK1unknown———
└ 206.159.178.128/2664SLTD-CE9FB280-010201unknown———
└ 206.159.179.0/25128SLTD-CE9FB300-011019unknown———
└ 206.159.179.128/25128SLTD-CE9FB380-011017unknown———
└ 206.159.180.0/24256PHUTunknown———
└ 206.159.181.0/24256SLTD-CE9FB500-010226unknown———
└ 206.159.182.0/2664SPRINTLTD-CE9FB600unknown———
└ 206.159.182.64/2664LASVEGAS-HARLEY-BLK1unknown———
└ 206.159.182.224/2732DDCP-BLK1unknown———
└ 206.159.183.32/2732RIVERSIDE-RES-BLK1unknown———
└ 206.159.183.64/2732SPRINTLTD-CE9FB740unknown———
└ 206.159.183.128/2732MORGANBUSSYS-BLK1unknown———
└ 206.159.183.160/2732BOLARI-RECORDS-BLK1unknown———
└ 206.159.183.192/298TREASURE-ISLAND-BLK1unknown———
└ 206.159.183.200/298HENDERSON-DIST-BLK1unknown———
└ 206.159.183.208/298SLTD-CE9FB7D0-011213unknown———
└ 206.159.183.216/298KEEFER-OREILLY-BLK1unknown———
└ 206.159.183.224/2732MIRAGE-RESORTS-BLK1unknown———
└ 206.159.184.0/24256SLTD-CE9FB800-010226unknown———
└ 206.159.185.0/25128SLTD-CE9FB900-010122unknown———
└ 206.159.185.128/25128SPRINTLTD-CE9FB980unknown———
└ 206.159.186.0/2664TRAVEL-SWITCH-BLK1unknown———
└ 206.159.186.64/2732WIDE-WORLD-PROMO-BLK1unknown———
└ 206.159.186.96/298SLTD-CM-REPROGRAPHICSunknown———
└ 206.159.186.104/298SLTD-CE9FBA68-010712unknown———
└ 206.159.186.112/298SPRINTLTD-CE9FBA70unknown———
└ 206.159.186.120/298SPRINTLTD-CE9FBA78unknown———
└ 206.159.186.128/2732SLTD-CE9FBA80-001201unknown———
└ 206.159.186.160/2732SPRINTLTD-CE9FBAA0unknown———
└ 206.159.186.192/2732KLAS-TV-CHANNEL8-BLK1unknown———
└ 206.159.186.224/2732SPRINTLTD-CE9FBAE0unknown———
└ 206.159.187.0/24256SKYLYNX-COMM-BLK1unknown———
└ 206.159.188.0/24256SKYLYNX-COMM-BLK4unknown———

Composition

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

Announced space

Address share

Announced space

Types across the prefix

4,096 addresses
TypeAddressesShareRanges
Residential2,78468%8
Business1,31232%28

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Cogent Communications, LLC
Handle
COGC
Range
206.158.0.0 - 206.160.255.255
Registration type
Direct Allocation
Record created
Oct 6, 1995
Legacy
yes
Reallocated to
Sprint United Telephone Western Region (SPWR)
Reallocated range
206.159.176.0/20
Reallocated
Nov 30, 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