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Data as of Nov 8, 2026

63.137.0.0/16

No anonymizer space · no proxy exits in 30 days

CenturyLink Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS3561
Type
Internet provider
91% 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

PrefixOriginTypeHolderRPKI
63.137.32.0/20
since Nov 2018
AS3561Internet providerCenturyLink Communications, LLC
63.137.64.0/20
since Sep 2018
AS3561Internet providerCenturyLink Communications, LLC
63.137.77.0/24
since Feb 2024
AS398701BusinessCenturyLink Communications, LLC
63.137.112.0/20
since May 2014
AS3561Internet providerCenturyLink Communications, LLC
63.137.118.0/24
since Mar 2023
AS398701BusinessCenturyLink Communications, LLC
63.137.126.0/24
since Aug 2016
AS3561UnknownCenturyLink Communications, LLC
63.137.176.0/21
since Jul 2020
AS3561Internet providerCenturyLink Communications, LLC
63.137.224.0/20
since Nov 2017
AS3561Internet providerCenturyLink Communications, LLC
63.137.229.0/24
since Mar 2025
AS53928BusinessCenturyLink 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
63.136.120.0 - 63.137.255.255100,352CENTURYLINK-LEGACY-SAVVIS-BLK232CenturyLink Communications, LLC (CCL-534) · USDirect AllocationJun 14, 2000abuse@aup.lumen.com
└ 63.137.32.0/24256SAVV-S609234-9unknown———
└ 63.137.33.0/24256SAVV-S618113-0unknown———
└ 63.137.34.64/2732SAVV-S619011-0unknown———
└ 63.137.34.96/2732SAVV-S620651-0unknown———
└ 63.137.34.128/2664SAVV-S615136-1unknown———
└ 63.137.34.192/2732SAVV-S620651-0unknown———
└ 63.137.34.224/2816SAVV-S608513-0unknown———
└ 63.137.35.0/24256SAVV-S608513-0unknown———
└ 63.137.36.0/24256SAVV-S619261-0unknown———
└ 63.137.37.0/24256SAVV-S234000-0unknown———
└ 63.137.38.0/24256SAVV-S620651-0unknown———
└ 63.137.39.0/2664SAVV-S620651-0unknown———
└ 63.137.39.64/2664SAVV-S620651-0unknown———
└ 63.137.39.128/25128SAVV-S620651-0unknown———
└ 63.137.40.0/2664SAVV-S606791-0unknown———
└ 63.137.40.64/2664SAVV-S606791-0unknown———
└ 63.137.40.128/2732SAVV-S234308-0unknown———
└ 63.137.40.160/2732SAVV-S621386-0unknown———
└ 63.137.40.224/298SAVV-S605575-0unknown———
└ 63.137.40.240/2816SAVV-S605575-0unknown———
└ 63.137.41.0/25128SAVV-S622551-0unknown———
└ 63.137.41.128/2816SAVV-S262989-0unknown———
└ 63.137.41.176/298SAVV-S608513-0unknown———
└ 63.137.41.184/298SAVV-S608322-15unknown———
└ 63.137.41.192/2664SAVV-S605575-0unknown———
└ 63.137.43.0/25128SAVV-S262989-0unknown———
└ 63.137.43.128/25128SAVV-S608513-0unknown———
└ 63.137.44.0/2816SAVV-S609813-0unknown———
└ 63.137.44.16/2816SAVV-S624288-0unknown———
└ 63.137.44.32/2816SAVV-S624288-0unknown———
└ 63.137.44.48/298SAVV-S624288-0unknown———
└ 63.137.44.56/298SAVV-S600119-0unknown———
└ 63.137.44.64/2732SAVV-S618124-0unknown———
└ 63.137.44.96/2816SAVV-S618124-0unknown———
└ 63.137.44.112/298SAVV-S625436-0unknown———
└ 63.137.44.128/2816SAVV-S605575-0unknown———
└ 63.137.44.192/2664SAVV-S627358-0unknown———
└ 63.137.45.40/298SAVV-S617842-0unknown———
└ 63.137.45.48/2816SAVV-S632915-0unknown———
└ 63.137.45.144/2816SAVV-S618124-0unknown———
└ 63.137.45.224/2732SAVV-S639484-0unknown———
└ 63.137.46.0/2816SAVV-S618124-0unknown———
└ 63.137.48.16/2816SAVV-S235017-0unknown———
└ 63.137.50.96/2816SAVV-S232224-1unknown———
└ 63.137.50.112/2816SAVV-S231747-1unknown———
└ 63.137.50.128/2732SAVV-S603148-0unknown———
└ 63.137.52.0/24256SAVV-S232210unknown———
└ 63.137.64.144/2816SAVV-S624371-0unknown———
└ 63.137.64.176/298SAVV-S625695-0unknown———
└ 63.137.64.192/2664SAVV-S622782-0unknown———
└ 63.137.67.0/2732SAVV-S609890-0unknown———
└ 63.137.67.32/2732SAVV-S619772-0unknown———
└ 63.137.67.64/2732SAVV-S619772-0unknown———
└ 63.137.67.112/298SAVV-S624184-0unknown———
└ 63.137.67.120/298SAVV-S619772-0unknown———
└ 63.137.67.128/298SAVV-S619772-0unknown———
└ 63.137.67.192/2664SAVV-S625695-0unknown———
└ 63.137.68.0/24256SAVV-S624020-0unknown———
└ 63.137.70.16/2816SAVV-S624524-0unknown———
└ 63.137.70.32/2816SAVV-S624524-0unknown———
└ 63.137.70.48/298SAVV-S624524-0unknown———
└ 63.137.70.56/298SAVV-S624835-0unknown———
└ 63.137.70.64/2732SAVV-S620331-0unknown———
└ 63.137.70.96/2816SAVV-S620331-0unknown———
└ 63.137.70.136/298SAVV-S626546-0unknown———
└ 63.137.70.144/2816SAVV-S626437-0unknown———
└ 63.137.70.160/2732SAVV-S626441-0unknown———
└ 63.137.70.200/298SAVV-S626209-0unknown———
└ 63.137.70.208/2816SAVV-S626633-0unknown———
└ 63.137.70.224/298SAVV-S618405-0unknown———
└ 63.137.70.232/298SAVV-S626749-0unknown———
└ 63.137.70.240/298SAVV-S603842-0unknown———
└ 63.137.70.248/298SAVV-S603842-0unknown———
└ 63.137.71.0/24256SAVV-S623372-0unknown———
└ 63.137.72.192/2664SAVV-S626546-0unknown———
└ 63.137.73.0/24256SAVV-S618405-0unknown———
└ 63.137.74.0/2816SAVV-S626749-0unknown———
└ 63.137.74.64/2816SAVV-S604142-47unknown———
└ 63.137.74.96/298SAVV-S625603-0unknown———
└ 63.137.74.112/2816SAVV-S623918-6unknown———
└ 63.137.74.128/25128SAVV-S603842-0unknown———
└ 63.137.75.0/24256SAVV-S603842-0unknown———
└ 63.137.76.0/25128SAVV-S622253-11unknown———
└ 63.137.76.128/2664SAVV-S605277-0unknown———
└ 63.137.76.192/2732SAVV-S627531-0unknown———
└ 63.137.76.224/2732SAVV-S640207-0unknown———
└ 63.137.77.0/24256SAVV-S620795-0Sleep Number Corporation (SNC-174) · USReassignedAug 13, 2020—
└ 63.137.78.0/25128SAVV-S627505-0unknown———
└ 63.137.78.160/298SAVV-S640209-0unknown———
└ 63.137.78.168/298SAVV-S618405-6unknown———
└ 63.137.78.192/2816SAVV-S640209-0unknown———
└ 63.137.78.208/2816SAVV-S626441-0unknown———
└ 63.137.78.240/2816SAVV-S641413-0unknown———
└ 63.137.79.0/24256SAVV-S625693-0unknown———
└ 63.137.80.0/2732SAVV-S235027-1unknown———
└ 63.137.80.32/2732SAVV-S266446-32unknown———
└ 63.137.80.64/2816SAVV-S266446-33unknown———
└ 63.137.80.80/298SAVV-S266446-34unknown———
└ 63.137.80.88/298SAVV-S266446-35unknown———
└ 63.137.80.128/25128SAVV-S607668-5unknown———
└ 63.137.84.0/298SAVV-S605090-0unknown———
└ 63.137.84.8/298SAVV-S605056-0unknown———
└ 63.137.85.0/25128SAVV-S252909-3unknown———
└ 63.137.86.0/298SAVV-S252909-6unknown———
└ 63.137.86.64/2664SAVV-S266446-0unknown———
└ 63.137.86.144/2816SAVV-S603751-2unknown———
└ 63.137.112.80/298SAVV-S618171-0unknown———
└ 63.137.112.88/298SAVV-S618996-0unknown———
└ 63.137.112.128/2732SAVV-S618492-0unknown———
└ 63.137.113.0/24256SAVV-S618996-0unknown———
└ 63.137.114.8/298SAVV-S619720-0unknown———
└ 63.137.114.24/298SAVV-S619185-0unknown———
└ 63.137.114.32/2732SAVV-S619793-0unknown———
└ 63.137.114.80/298SAVV-S618483-0unknown———
└ 63.137.114.88/298SAVV-S620182-0unknown———
└ 63.137.114.160/2816SAVV-S620493-0unknown———
└ 63.137.114.192/2816SAVV-S620401-0unknown———
└ 63.137.115.0/24256SAVV-S619803-0unknown———
└ 63.137.116.0/24256SAVV-S619185-0unknown———
└ 63.137.117.0/24256SAVV-S620604-0unknown———
└ 63.137.118.0/24256SAVV-S620795-1Sleep Number Corporation (SNC-174) · USReassignedAug 13, 2020—
└ 63.137.119.40/298SAVV-S621333-0unknown———
└ 63.137.119.48/298SAVV-S621448-0unknown———
└ 63.137.119.56/298SAVV-S622094-0unknown———
└ 63.137.119.64/2664SAVV-S621333-0unknown———
└ 63.137.119.128/2664SAVV-S621448-0unknown———
└ 63.137.119.192/2816SAVV-S621655-0unknown———
└ 63.137.119.208/2816SAVV-S616671-0unknown———
└ 63.137.120.0/2732SAVV-S621708-0unknown———
└ 63.137.120.32/2732SAVV-S621604-0unknown———
└ 63.137.120.64/2732SAVV-S621738-0unknown———
└ 63.137.120.128/298SAVV-S622026-0unknown———
└ 63.137.120.224/298SAVV-S619012-0unknown———
└ 63.137.120.240/2816SAVV-S625336-0unknown———
└ 63.137.121.0/24256SAVV-S617574unknown———
└ 63.137.122.0/24256SAVV-S622698-0unknown———
└ 63.137.123.0/2664SAVV-S619012-0unknown———
└ 63.137.123.112/2816SAVV-S623335-0unknown———
└ 63.137.123.128/2664SAVV-S620401-6unknown———
└ 63.137.123.192/298SAVV-S622982-0unknown———
└ 63.137.123.208/2816SAVV-S623505-0unknown———
└ 63.137.124.0/2816SAVV-S622679-0unknown———
└ 63.137.124.32/2732SAVV-S623453-0unknown———
└ 63.137.124.96/2732SAVV-S623537-0unknown———
└ 63.137.124.192/2732SAVV-S621376-0unknown———
└ 63.137.124.224/298SAVV-S621376-0unknown———
└ 63.137.125.0/2816SAVV-S624308-0unknown———
└ 63.137.125.16/298SAVV-S624109-0unknown———
└ 63.137.125.48/2816SAVV-S622560-0unknown———
└ 63.137.125.64/2664SAVV-S624109-0unknown———
└ 63.137.125.224/2732SAVV-S622254-0unknown———
└ 63.137.126.0/24256SAVV-S624253-0Apogee Enterprises Inc (AE-1414) · USReassignedMay 3, 2016—
└ 63.137.127.0/2732SAVV-S624770-0unknown———
└ 63.137.127.56/298SAVV-S622936-0unknown———
└ 63.137.127.64/2816SAVV-S621925-0unknown———
└ 63.137.127.80/298SAVV-S621925-0unknown———
└ 63.137.127.88/298SAVV-S625274-0unknown———
└ 63.137.127.104/298SAVV-S625023-0unknown———
└ 63.137.127.112/2816SAVV-S625514-0unknown———
└ 63.137.127.128/2664SAVV-S625695-0unknown———
└ 63.137.127.192/298SAVV-S625695-0unknown———
└ 63.137.127.216/298SAVV-S626204-0unknown———
└ 63.137.127.248/298SAVV-S626901-0unknown———
└ 63.137.136.0/2732SAVV-SV4820-0unknown———
└ 63.137.137.128/2816SAVV-S605057-3unknown———
└ 63.137.153.0/24256SAVV-S602963-0unknown———
└ 63.137.154.16/2816SAVV-S234773unknown———
└ 63.137.154.32/2732CW-63-137-154-32unknown———
└ 63.137.154.96/2732NET-63-137-154-96unknown———
└ 63.137.168.48/298SAVV-S263519-0unknown———
└ 63.137.168.56/298SAVV-S263520-0unknown———
└ 63.137.179.0/24256SAVV-S620185-0unknown———
└ 63.137.180.0/24256SAVV-S232357-41unknown———
└ 63.137.181.0/24256SAVV-S601238-5unknown———
└ 63.137.182.0/2816SAVV-S622074-0unknown———
└ 63.137.182.16/2816SAVV-S607129-0unknown———
└ 63.137.182.32/2732SAVV-S622198-0unknown———
└ 63.137.182.64/298SAVV-S607129-0unknown———
└ 63.137.182.72/298SAVV-S622903-0unknown———
└ 63.137.182.80/2816SAVV-S622903-0unknown———
└ 63.137.182.96/2732SAVV-S623107-0unknown———
└ 63.137.182.128/2732SAVV-S263671-0unknown———
└ 63.137.182.160/2816SAVV-S623813-0unknown———
└ 63.137.182.176/298SAVV-S623813-0unknown———
└ 63.137.182.184/298SAVV-S263671-0unknown———
└ 63.137.182.192/2816SAVV-S623694-0unknown———
└ 63.137.182.224/298SAVV-S624548-0unknown———
└ 63.137.182.240/2816SAVV-S622198-2unknown———
└ 63.137.183.128/2732SAVV-S626562-0unknown———
└ 63.137.183.160/298SAVV-S626562-0unknown———
└ 63.137.183.184/298SAVV-S627833-0unknown———
└ 63.137.183.192/2816SAVV-S632686-1unknown———
└ 63.137.183.240/2816SAVV-S633005-0unknown———
└ 63.137.193.32/2732SAVV-S231714-1unknown———
└ 63.137.217.0/24256SAVV-S250195-1unknown———
└ 63.137.219.0/24256SAVV-S265129-4unknown———
└ 63.137.226.24/298SAVV-S264051-12unknown———
└ 63.137.226.64/2664SAVV-S260170-4unknown———
└ 63.137.227.96/2732SAVV-S640164-0unknown———
└ 63.137.227.128/2732SAVV-S640165-0unknown———
← Previous1–200 of 204 · page 1 of 2Next →

Composition

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

Announced space

Address share

Announced space

Types across the prefix

65,536 addresses
TypeAddressesShareRanges
Internet provider59,56891%89
Business5,7128.7%177
Unknown2560.39%1

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