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Data as of Nov 8, 2026

143.203.176.0/22

No anonymizer space · no proxy exits in 30 days

CenturyLink Communications, LLC · space held by WebMakr LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS3561
Type
Unknown
Risk
0 / 100 · Low
Recent change
New origin Oct 22, 2026
its first announcement on record

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
143.203.176.0/221,024WEBMAKR-CORE-NETWORKWebMakr LLC (WL-791) · USDirect AllocationOct 19, 2026ckim@webmakr.net
└ 143.203.176.0/221,024WEBMAKR-INFRAAtlas Networks Corporation (C11756227) · USReassignedNov 2, 2026ckim@webmakr.net
via WEBMAKR-CORE-NETWORK

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
WebMakr LLC
Handle
WL-791
Range
143.203.176.0/22
Registration type
Direct Allocation
Record created
Oct 19, 2026
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