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Data as of Nov 9, 2026

66.208.177.0/24

No anonymizer space · no proxy exits in 30 days

CenturyLink Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS22561
Type
Business
59% 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
└ 66.208.177.0/2425666-208-177-1-0KMC Telecom, Inc. (HSV0) (KTIH) · USReallocatedFeb 13, 2004—
└ 66.208.177.8/298KMC-HSV0-CBLK1258unknown———
└ 66.208.177.96/2816KMC-HSV0-CBLK3041unknown———
└ 66.208.177.128/25128KMC-HSV0-CBLK900unknown———

Composition

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

Announced space

Address share

Announced space

Types across the prefix

256 addresses
TypeAddressesShareRanges
Business15259%3
Residential10441%3

Network & registry

AnnouncementRouting historyWhois & abuse
IPv4 market

Holder

Holder in the market →
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. (HSV0) (KTIH)
Reallocated range
66.208.177.0/24
Reallocated
Feb 13, 2004
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