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Data as of Nov 9, 2026

205.138.144.0/20

No anonymizer space · no proxy exits in 30 days

CenturyLink Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS3561
Type
Internet provider
83% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
205.138.0.0/15
since May 2005
AS3561Internet providerCenturyLink 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
205.138.0.0 - 205.140.175.255176,128CENTURYLINK-LEGACY-SAVVIS-BLK182CenturyLink Communications, LLC (CCL-534) · USDirect AllocationFeb 15, 1995abuse@aup.lumen.com
└ 205.138.144.0/2816SAVV-S603255-0unknown———
└ 205.138.144.40/298SAVV-S603589-0unknown———
└ 205.138.144.48/298SAVV-S603589-0unknown———
└ 205.138.144.56/298SAVV-S603904-0unknown———
└ 205.138.144.64/2732SAVV-S600628-0unknown———
└ 205.138.144.128/2732SAVV-S603389-0unknown———
└ 205.138.144.160/2816SAVV-S603389-0unknown———
└ 205.138.144.176/298SAVV-S603389-0unknown———
└ 205.138.144.184/298SAVV-S606855-0unknown———
└ 205.138.144.192/2664SAVV-S603021-0unknown———
└ 205.138.146.0/24256SAVV-S603589-0unknown———
└ 205.138.147.0/2732SAVV-S603589-0unknown———
└ 205.138.147.32/2816SAVV-S603904-0unknown———
└ 205.138.147.48/2816SAVV-S603904-0unknown———
└ 205.138.147.64/298SAVV-S260105-0unknown———
└ 205.138.147.72/298SAVV-S604128-0unknown———
└ 205.138.147.80/2816SAVV-S604128-0unknown———
└ 205.138.147.104/298SAVV-S604414-0unknown———
└ 205.138.147.112/2816RAVEN----TESTINGunknown———
└ 205.138.147.240/2816SAVV-S616786-0unknown———
└ 205.138.148.0/24256SAVV-S603904-0unknown———
└ 205.138.149.0/2664SAVV-S603997-0unknown———
└ 205.138.149.64/2664SAVV-S604414-0unknown———
└ 205.138.149.128/2816SAVV-S604414-0unknown———
└ 205.138.149.144/2816SAVV-S604414-0unknown———
└ 205.138.149.192/2664SAVV-S604414-0unknown———
└ 205.138.156.64/298SAVV-S604741-0unknown———
└ 205.138.156.96/2732SAVV-S604741-0unknown———
└ 205.138.156.128/298SAVV-S602265-0unknown———
└ 205.138.156.160/2816SAVV-S233683-0unknown———
└ 205.138.156.176/2816SAVV-S233683-0unknown———
└ 205.138.156.192/2732SAVV-S233683-0unknown———
└ 205.138.156.240/2816SAVV-S606855-0unknown———
└ 205.138.159.0/24256SAVV-S261603-5unknown———

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
Internet provider3,40883%12
Business68817%31

Network & registry

AnnouncementRouting historyWhois & abuse
Origin network

AS3561

US
Name
CenturyLink Communications, LLC
Type
Internet provider
Registered
Oct 7, 1998
Domain
lumen.com
Website
www.lumen.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed