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Data as of Nov 8, 2026

204.70.0.0/15

No anonymizer space

CenturyLink Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS3561
Type
Internet provider
96% of it

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

Arrived
PrefixOriginTypeHolderRPKI
204.70.128.0/24
since Oct 2018
AS3561Internet providerCenturyLink Communications, LLC
204.70.133.0/24
since Oct 2018
AS3561Internet providerCenturyLink Communications, LLC
204.70.138.0/24
since Oct 2018
AS3561Internet providerCenturyLink Communications, LLC
204.71.0.0/24
since Oct 2018
AS3561UnknownCenturyLink Communications, LLC
via iSCAPE Inc.
204.71.32.0/22
since Oct 2018
AS3561Internet providerCenturyLink Communications, LLC
204.71.60.0/22
since Oct 2018
AS3561Internet providerCenturyLink Communications, LLC
204.71.88.0/23
since May 2005
AS11012BusinessCenturyLink Communications, LLC
204.71.100.0/24
since Nov 2019
AS11255UnknownCenturyLink Communications, LLC
via SBT, Inc.
204.71.101.0/24
since Sep 2022
AS11255UnknownCenturyLink Communications, LLC
via SBT, Inc.
204.71.128.0/22
since Oct 2018
AS3561Internet providerCenturyLink Communications, LLC
204.71.140.0/22
since Oct 2018
AS3561Internet providerCenturyLink Communications, LLC
204.71.176.0/20
since Aug 2020
AS3561Internet providerCenturyLink Communications, LLC
204.71.178.0/24
since Jul 2021
AS396167BusinessCenturyLink Communications, LLC
204.71.179.0/24
since Jul 2021
AS396167BusinessCenturyLink Communications, LLC
204.71.192.0/20
since Nov 2018
AS3561Internet providerCenturyLink Communications, LLC
204.71.232.0/22
since Oct 2018
AS3561Internet providerCenturyLink 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
204.70.0.0/15131,072CENTURYLINK-LEGACY-SAVVIS-BLK189CenturyLink Communications, LLC (CCL-534) · USDirect AllocationJun 22, 1994abuse@aup.lumen.com
└ 204.71.0.0/24256SAVV-S232570-1iSCAPE Inc. (ISCAP) · USReallocatedFeb 2, 2007—
└ 204.71.1.88/298SAVV-S235046-0unknown———
└ 204.71.16.8/298SAVV-S601564-0unknown———
└ 204.71.16.112/298SAVV-S217718-0unknown———
└ 204.71.16.184/298SAVV-S604366-0unknown———
└ 204.71.32.48/2816SAVV-S600824-0unknown———
└ 204.71.32.96/2732SAVV-S233690-6unknown———
└ 204.71.32.144/2816SAVV-S233690-3unknown———
└ 204.71.33.128/2732SAVV-S230349-1unknown———
└ 204.71.33.224/2732SAVV-S601894-1unknown———
└ 204.71.34.104/298SAVV-S234489-1unknown———
└ 204.71.34.240/2816SAVV-S600824-0unknown———
└ 204.71.45.0 - 204.71.46.255512CW-NETBLK-COMDISCOunknown———
└ 204.71.47.0/24256CW-204-71-47unknown———
└ 204.71.60.32/2816SAVV-S233367-1unknown———
└ 204.71.60.48/2816SAVV-S233367-2unknown———
└ 204.71.60.192/2732SAVV-S239211-1unknown———
└ 204.71.61.0/2816SAVV-S231745-2unknown———
└ 204.71.61.224/2816SAVV-S242110-1unknown———
└ 204.71.62.208/2816SAVV-S233969-2unknown———
└ 204.71.62.224/2816SAVV-S231813-1unknown———
└ 204.71.74.0 - 204.71.77.2551,024CW-204-71-74unknown———
└ 204.71.100.0/23512SAVV-S604967SBT, Inc. (SBTIN) · USReallocatedMar 10, 2010jim@sbt.net
└ 204.71.102.0/24256SAVV-S602037-0unknown———
└ 204.71.117.0/24256CW-NETBLK-MERRILL-LYunknown———
└ 204.71.129.0/2664SAVV-S234489-6unknown———
└ 204.71.129.96/2816SAVV-S231813-2unknown———
└ 204.71.129.112/298SAVV-S233367-3unknown———
└ 204.71.129.120/298SAVV-S265976-0unknown———
└ 204.71.129.128/2732SAVV-S252127-3unknown———
└ 204.71.129.224/2816204-71-129-224-28unknown———
└ 204.71.129.240/2816SAVV-S604044-0unknown———
└ 204.71.131.128/2664SAVV-S253837-9unknown———
└ 204.71.131.224/2732SAVV-S265520-0unknown———
└ 204.71.134.0/24256SAVV-S217679-1unknown———
└ 204.71.140.0/2816SAVV-S236850-2unknown———
└ 204.71.140.16/2816SAVV-S230767-1unknown———
└ 204.71.140.32/298SAVV-S234547-2unknown———
└ 204.71.140.40/298SAVV-S234547-3unknown———
└ 204.71.140.48/2816SAVV-S234547-4unknown———
└ 204.71.140.80/2816SAVV-S231758-8unknown———
└ 204.71.140.96/2732SAVV-S265861-1unknown———
└ 204.71.140.128/2732SAVV-S233969-4unknown———
└ 204.71.140.160/2816SAVV-S266165-0unknown———
└ 204.71.140.176/2816SAVV-S233969-5unknown———
└ 204.71.140.192/2816SAVV-S230349-2unknown———
└ 204.71.140.208/2816SAVV-S265700-1unknown———
└ 204.71.140.224/2816SAVV-S230349-3unknown———
└ 204.71.140.240/2816SAVV-S230807-1unknown———
└ 204.71.141.0/2816SAVV-S233967-1unknown———
└ 204.71.141.16/2816SAVV-S234489-8unknown———
└ 204.71.141.32/2732SAVV-S265219-0unknown———
└ 204.71.141.64/2816SAVV-S600824-0unknown———
└ 204.71.141.80/298SAVV-S230807-3unknown———
└ 204.71.141.112/2816SAVV-S230807-2unknown———
└ 204.71.141.128/25128SAVV-S234489-7unknown———
└ 204.71.142.0/24256SAVV-S265967-3unknown———
└ 204.71.143.64/2732SAVV-S231745-3unknown———
└ 204.71.143.96/2732SAVV-S265976-0unknown———
└ 204.71.143.160/2816SAVV-S229714-4unknown———
└ 204.71.143.184/298SAVV-S265974-1unknown———
└ 204.71.143.192/2732SAVV-S233443-1unknown———
└ 204.71.143.224/2816SAVV-S600824-0unknown———
└ 204.71.176.0/24256SAVV-S260360-6unknown———
└ 204.71.178.0/23512204-71-178-0-23Blackhawk Network, Inc. (BN-545) · USReassignedAug 30, 2023—
└ 204.71.190.0/24256SAVV-S234746-7unknown———
└ 204.71.232.64/2664SAVV-S233690-26unknown———
└ 204.71.232.128/25128SAVV-S230247-1unknown———
└ 204.71.233.64/2664SAVV-S233984-1unknown———
└ 204.71.234.0/24256SAVV-S609148-0unknown———
└ 204.71.235.0/298SAVV-S604039-0unknown———
└ 204.71.235.16/2816SAVV-S609676-0unknown———
└ 204.71.235.32/2732SAVV-S620809-0unknown———

Composition

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

Announced space

Address share

Announced space

Types across the prefix

131,072 addresses
TypeAddressesShareRanges
Internet provider126,01696%63
Business2,4961.9%62
Residential1,7921.4%7
Unknown7680.59%3

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
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