Data as of Nov 8, 2026

208.173.128.0/18

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

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
208.169.96.0 - 208.173.191.255286,720CENTURYLINK-LEGACY-SAVVIS-BLK57CenturyLink Communications, LLC (CCL-534) · USDirect AllocationMar 27, 1996abuse@aup.lumen.com
└ 208.173.134.104/298SAVV-S603122-0unknown———
└ 208.173.136.24/298SAVV-S261617-0unknown———
└ 208.173.136.40/298SAVV-S99506-0unknown———
└ 208.173.171.112/298SAVV-S214723-0unknown———
└ 208.173.171.120/298SAVV-S254686-0unknown———

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 provider16,344>99%5
Business400.24%5

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