Data as of Nov 9, 2026

66.208.173.0/24

No anonymizer space · no proxy exits in 30 days

CenturyLink Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
Residential
72% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
66.208.128.0/18
since Apr 2016
AS209ResidentialCenturyLink 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
66.208.128.0/1816,384CENTURYLINK-LEGACY-CENTURYTEL-SOLUTIONS-BLK-5CenturyLink Communications, LLC (CCL-534) · USDirect AllocationDec 18, 2001abuse@aup.lumen.com
└ 66.208.173.0/24256NET-66-208-173-0-1KMC Telecom, Inc. (MDS0) (KTIM-2) · USReallocatedDec 2, 2003—
└ 66.208.173.128/298KMC-MDS0-CBLK984unknown———
└ 66.208.173.136/298KMC-MDS0-CBLK999unknown———
└ 66.208.173.144/298KMC-MDS0-CBLK1134unknown———
└ 66.208.173.152/298KMC-MDS0-CBLK3079unknown———
└ 66.208.173.160/298KMC-MDS0-CBLK3184unknown———
└ 66.208.173.168/298KMC-MDS0-CBLK3225unknown———
└ 66.208.173.176/298KMC-MDS0-CBLK3276unknown———
└ 66.208.173.208/2816KMC-MDS0-CBLK3401unknown———

Composition

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

Announced space

Address share

Announced space

Types across the prefix

256 addresses
TypeAddressesShareRanges
Residential18472%3
Business7228%8

Network & registry

IPv4 market

Holder

Organization
CenturyLink Communications, LLC
Handle
CCL-534
Range
66.208.128.0/18
Registration type
Direct Allocation
Record created
Dec 18, 2001
Reallocated to
KMC Telecom, Inc. (MDS0) (KTIM-2)
Reallocated range
66.208.173.0/24
Reallocated
Dec 2, 2003
Origin network

AS22561

US
Name
CenturyLink Communications, LLC
Type
Internet provider
Registered
Oct 16, 2001
Domain
centurylink.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed