Data as of Nov 10, 2026

63.136.0.0/18

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

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
63.136.4.0/24
since Feb 2021
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
63.136.0.0 - 63.136.111.25528,672CENTURYLINK-LEGACY-SAVVIS-BLK235CenturyLink Communications, LLC (CCL-534) · USDirect AllocationJun 14, 2000abuse@aup.lumen.com
└ 63.136.8.24/298SAVV-S266446-0unknown———
└ 63.136.22.128/25128SAVV-S262898-0unknown———

Composition

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

Announced space

Address share

Announced space

Types across the prefix

16,384 addresses
TypeAddressesShareRanges
Internet provider16,248>99%5
Business1360.83%2

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
May 2005
Current origin since
May 2005 · 22 yr
Origin networks
1