Data as of Nov 12, 2026

63.136.128.0/17

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

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
63.136.120.0 - 63.137.255.255100,352CENTURYLINK-LEGACY-SAVVIS-BLK232CenturyLink Communications, LLC (CCL-534) · USDirect AllocationJun 14, 2000abuse@aup.lumen.com
└ 63.136.192.0/2732SAVV-S608811-1unknown———
└ 63.136.192.160/298SAVV-S604957-0unknown———
└ 63.136.192.168/298SAVV-S604958-0unknown———
└ 63.136.210.0/2816SAVV-S234328unknown———
└ 63.136.210.32/2732SAVV-S250582-3unknown———
└ 63.136.221.208/2816SAVV-S264255-0unknown———
└ 63.136.232.128/25128SAVV-S605732-0unknown———
└ 63.136.233.32/2732CW-63-136-233-32unknown———
└ 63.136.233.128/25128SAVV-S250194unknown———

Composition

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

Announced space

Address share

Announced space

Types across the prefix

32,768 addresses
TypeAddressesShareRanges
Internet provider32,40099%8
Business3681.1%8

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