Data as of Nov 4, 2026

209.1.0.0/16

No anonymizer space · no proxy exits in 30 days

CenturyLink Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
Internet provider
>99% of it

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
209.1.0.0/20
since Aug 2020
AS3561Internet providerCenturyLink Communications, LLC
209.1.5.0/24
since Nov 2018
AS3561Internet providerCenturyLink Communications, LLC
209.1.6.0/24
since Nov 2020
AS3561UnknownCenturyLink Communications, LLC
via Cherokee International LLC
209.1.56.0/21
since Nov 2018
AS3561Internet providerCenturyLink Communications, LLC
209.1.64.0/21
since Nov 2018
AS3561Internet providerCenturyLink Communications, LLC
209.1.80.0/21
since Nov 2018
AS3561Internet providerCenturyLink Communications, LLC
209.1.88.0/21
since Aug 2020
AS3561Internet providerCenturyLink Communications, LLC
209.1.120.0/21
since Nov 2018
AS3561Internet providerCenturyLink Communications, LLC
209.1.160.0/22
since Aug 2020
AS3561Internet providerCenturyLink Communications, LLC
209.1.208.0/20
since Aug 2020
AS3561Internet providerCenturyLink Communications, LLC
209.1.232.0/21
since Nov 2018
AS3561Internet providerCenturyLink Communications, LLC
209.1.248.0/21
since Nov 2018
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
209.1.0.0/1665,536CENTURYLINK-LEGACY-SAVVIS-BLK47CenturyLink Communications, LLC (CCL-534) · USDirect AllocationDec 6, 1996[email protected]
└ 209.1.1.240/2816SAVV-S232829-1unknown———
└ 209.1.2.0/23512SAVV-T1082J-0unknown———
└ 209.1.6.0/24256SAVV-S230643-1Cherokee International LLC (CIL-55) · USReallocatedOct 27, 2006—
└ 209.1.8.48/2816SAVV-S232853-2unknown———
└ 209.1.56.0/24256INTERCONNECTSunknown———
└ 209.1.57.0/24256SAVV-S232829-3unknown———
└ 209.1.81.0/24256SAVV-S232829-2unknown———
└ 209.1.104.0/24256SAVV-S234111-0unknown———
└ 209.1.105.0/298SAVV-S264357-4unknown———
└ 209.1.121.0/24256SAVV-S234173-1unknown———
└ 209.1.122.0/24256SAVV-S234173-2unknown———
└ 209.1.123.0/24256SAVV-S234173-3unknown———
└ 209.1.124.0/24256SAVV-S234173-4unknown———
└ 209.1.163.0/24256SAVV-S230643unknown———
└ 209.1.223.0/24256SAVV-S232829-4unknown———
└ 209.1.238.64/2816SAVV-S254683-5unknown———
└ 209.1.238.96/2816SAVV-S264362-0unknown———
└ 209.1.249.128/2664SAVV-S602200-0unknown———
└ 209.1.249.224/2732SAVV-S229715-1unknown———

Composition

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

Announced space

Address share

Announced space

Types across the prefix

65,536 addresses
TypeAddressesShareRanges
Internet provider65,112>99%26
Unknown2560.39%1
Business1680.26%7

Network & registry

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