LAYER3 INTEL
Get started
Sign in
Data as of Nov 8, 2026

66.77.51.0/24

No anonymizer space · no proxy exits in 30 days

Level 3 Parent, LLC · space held by CenturyLink Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS10753
Type
Unknown
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Jul 2026
from AS209 CenturyLink Communications, LLC, after 10.1 years unannounced

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
66.77.0.0/16
since May 2005
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
66.77.0.0/1665,536CENTURYLINK-LEGACY-QWEST-INET-12CenturyLink Communications, LLC (CCL-534) · USDirect AllocationFeb 13, 2001abuse@aup.lumen.com
└ 66.77.51.0/24256QWEST-TPF-NETMIN1NetMinistry Technology Corporation (NTC-59) · USReassignedNov 13, 2013jgomez@netministry.com

Network & registry

AnnouncementRouting historyWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
CenturyLink Communications, LLC
Handle
CCL-534
Range
66.77.0.0/16
Registration type
Direct Allocation
Record created
Feb 13, 2001
Origin network

AS10753

US
Name
Level 3 Parent, LLC
Type
Internet provider
Registered
Nov 18, 1997
Domain
level3.com
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed