Data as of Nov 8, 2026

206.51.64.0/19

No anonymizer space · no proxy exits in 30 days

CenturyLink Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
Residential

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
206.51.64.0/22
since Apr 2021
AS13341ResidentialCenturyLink Communications, LLC
206.51.71.0/24
since Oct 2008
AS22561ResidentialCenturyLink 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
206.51.64.0/198,192CENTURYLINK-LEGACY-LIGHTCORE-BLK4CenturyLink Communications, LLC (CCL-534) · USDirect AllocationMar 11, 2008abuse@aup.lumen.com
└ 206.51.64.0/221,024206-51-64-0-22Tranquility Internet Services Inc. (TIS-99) · USReassignedJun 25, 2021goebel@tranquility.net
└ 206.51.68.0/2664LC-IP-206-51-68-0unknown———
└ 206.51.68.64/2664LC-IP-206-51-68-64unknown———
└ 206.51.69.0/24256LC-IP-WAN2unknown———
└ 206.51.70.0/24256LC-IP-206-51-70-0unknown———
└ 206.51.71.0/24256LC-IP-206-51-71-0LightCore, A CenturyTel Company (C02040799) · USReassignedSep 11, 2008abuse@aup.lumen.com
via CENTURYLINK-LEGACY-LIGHTCORE-BLK4
└ 206.51.72.0/212,048LC-IP-206-51-72-0unknown———

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

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