Data as of Nov 13, 2026

209.1.0.0/20

No anonymizer space · no proxy exits in 30 days

CenturyLink Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
Internet provider
93% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
209.1.0.0/16
since May 2005
AS3561Internet providerCenturyLink Communications, LLC
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
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

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, 1996abuse@aup.lumen.com
└ 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———

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 provider3,80893%5
Unknown2566.3%1
Business320.78%2

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Aug 2020
Current origin since
Aug 2020 · 6.3 yr
Origin networks
1