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Data as of Nov 4, 2026

64.37.192.0/18

No anonymizer space · no proxy exits in 30 days

CenturyLink Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS3561
Type
Internet provider
79% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
64.37.196.0/24
since Jun 2009
AS21563BusinessCenturyLink Communications, LLC
64.37.204.0/24
since Aug 2010
AS21563BusinessCenturyLink Communications, LLC
64.37.210.0/24
since Dec 2009
AS21563BusinessCenturyLink Communications, LLC
64.37.231.0/24
since Jan 2026
AS33151BusinessCenturyLink Communications, LLC
via Trustwave

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
64.37.192.0/1816,384CENTURYLINK-LEGACY-SAVVIS-BLK222CenturyLink Communications, LLC (CCL-534) · USDirect AllocationFeb 10, 2000[email protected]
└ 64.37.192.128/2732SAVV-S259722-0unknown———
└ 64.37.192.160/298SAVV-S229660-10unknown———
└ 64.37.192.168/298SAVV-S265804-0unknown———
└ 64.37.192.200/298SAVV-S266361-0unknown———
└ 64.37.192.208/2816SAVV-S641150-0unknown———
└ 64.37.193.0/24256SAVV-S229660-11unknown———
└ 64.37.194.0/2732SAVV-S626633-0unknown———
└ 64.37.194.32/298SAVV-S260923-0unknown———
└ 64.37.194.40/298SAVV-S260923-0unknown———
└ 64.37.194.48/298SAVV-S612730-0unknown———
└ 64.37.194.64/2664SAVV-S232964-8unknown———
└ 64.37.195.32/2816SAVV-S258556-3unknown———
└ 64.37.195.96/2816SAVV-S232940-4unknown———
└ 64.37.195.112/2816SAVV-S263858-0unknown———
└ 64.37.195.192/2816SAVV-S232530-3unknown———
└ 64.37.195.224/298SAVV-S606689-0unknown———
└ 64.37.197.0/2732SAVV-S265174-0unknown———
└ 64.37.197.32/2732SAVV-S265174-0unknown———
└ 64.37.197.64/2732SAVV-S265174-0unknown———
└ 64.37.197.96/2732SAVV-S265174-0unknown———
└ 64.37.197.128/2816SAVV-S265174-0unknown———
└ 64.37.197.144/2816SAVV-S265174-0unknown———
└ 64.37.197.160/2732SAVV-S265174-0unknown———
└ 64.37.197.192/298SAVV-S265174-0unknown———
└ 64.37.197.200/298SAVV-S613025-0unknown———
└ 64.37.197.208/2816SAVV-S265174-0unknown———
└ 64.37.197.224/2816SAVV-S601129-0unknown———
└ 64.37.198.0/25128SAVV-S262381-115unknown———
└ 64.37.199.0/25128SAVV-S249287-8unknown———
└ 64.37.199.128/2664SAVV-S262381-120unknown———
└ 64.37.199.192/2816SAVV-S263858-0unknown———
└ 64.37.199.224/2732SAVV-S605949-0unknown———
└ 64.37.200.32/298SAVV-S258556-5unknown———
└ 64.37.200.48/298SAVV-S605678-0unknown———
└ 64.37.200.64/2664SAVV-S262381-117unknown———
└ 64.37.200.128/2732SAVV-S234308-0unknown———
└ 64.37.200.160/298SAVV-S217127-0unknown———
└ 64.37.200.176/298SAVV-S625436-0unknown———
└ 64.37.200.184/298SAVV-S232964-9unknown———
└ 64.37.200.224/2732SAVV-S626749-8unknown———
└ 64.37.201.32/298SAVV-S231894-5unknown———
└ 64.37.201.40/298SAVV-S265602-0unknown———
└ 64.37.201.48/2816SAVV-S232964-7unknown———
└ 64.37.201.128/25128SAVV-S617960-0unknown———
└ 64.37.206.0/298SAVV-S605678-0unknown———
└ 64.37.206.8/298SAVV-S605678-0unknown———
└ 64.37.206.16/298SAVV-S217127-0unknown———
└ 64.37.206.24/298SAVV-S619790-0unknown———
└ 64.37.206.32/2816SAVV-S609099-1unknown———
└ 64.37.206.48/2816SAVV-S617371-0unknown———
└ 64.37.206.128/2664SAVV-S230153-14unknown———
└ 64.37.211.0/2732SAVV-S623092-0unknown———
└ 64.37.211.32/2816SAVV-S231894-9unknown———
└ 64.37.211.48/2816SAVV-S231894-10unknown———
└ 64.37.211.128/2816SAVV-S231894-6unknown———
└ 64.37.211.144/2816SAVV-S231894-7unknown———
└ 64.37.211.160/2816SAVV-S231894-8unknown———
└ 64.37.213.8/298SAVV-S620270-0unknown———
└ 64.37.213.128/281664-37-213-128-28unknown———
└ 64.37.213.152/298SAVV-S262646-7unknown———
└ 64.37.214.64/2732SAVV-S238716-1unknown———
└ 64.37.214.104/29864-37-214-104-29unknown———
└ 64.37.214.128/281664-37-214-128-28unknown———
└ 64.37.214.144/2816SAVV-S619790-0unknown———
└ 64.37.214.192/2664SAVV-S236851-8unknown———
└ 64.37.215.128/298SAVV-S605867-0unknown———
└ 64.37.218.0/2664SAVV-S232781-7unknown———
└ 64.37.219.0/24256SAVV-S604891-0unknown———
└ 64.37.221.64/2816SAVV-S231636-23unknown———
└ 64.37.221.96/2732SAVV-S259722-0unknown———
└ 64.37.221.160/298SAVV-S265024-0unknown———
└ 64.37.221.168/298SAVV-S263776-0unknown———
└ 64.37.221.224/298SAVV-S231224-11unknown———
└ 64.37.221.248/298SAVV-S601686-0unknown———
└ 64.37.222.0/24256SAVV-S604699-1unknown———
└ 64.37.223.0/2664SAVV-S231894-11unknown———
└ 64.37.225.128/2816SAVV-S608784-0unknown———
└ 64.37.225.192/298SAVV-S605626-0unknown———
└ 64.37.226.32/2732SAVV-S608784-0unknown———
└ 64.37.226.208/2816SAVV-S602148-0unknown———
└ 64.37.227.0/24256SAVV-S233212-4unknown———
└ 64.37.231.0/24256LB-USEL2DC-V4-01Trustwave (TRUST-25) · USReallocatedJan 29, 2010—
└ 64.37.232.0/23512SAVV-S606933-1unknown———
└ 64.37.236.0/23512SAVV-S230247-3unknown———
└ 64.37.238.0/24256SAVV-S239114-3unknown———
└ 64.37.239.0/24256SAVV-S234813-6unknown———
└ 64.37.240.0/24256SAVV-S605369-2unknown———
└ 64.37.242.64/298SAVV-S265361-0unknown———
└ 64.37.242.80/2816SAVV-S232530-2unknown———
└ 64.37.242.96/298SAVV-S262381-0unknown———
└ 64.37.242.112/2816SAVV-S235142-0unknown———
└ 64.37.242.128/2816SAVV-S232530-4unknown———
└ 64.37.242.152/298SAVV-S262288-0unknown———
└ 64.37.242.160/2816SAVV-S606689-0unknown———
└ 64.37.242.224/298SAVV-S608386-0unknown———
└ 64.37.242.232/298SAVV-S620159-0unknown———
└ 64.37.244.128/2816SAVV-S234689-4unknown———
└ 64.37.244.144/298SAVV-S605626-0unknown———
└ 64.37.244.152/298SAVV-S605626-0unknown———
└ 64.37.244.160/2816SAVV-S605693-2unknown———
└ 64.37.244.192/298SAVV-S265024-0unknown———
└ 64.37.244.208/2816SAVV-S234224-6unknown———
└ 64.37.244.240/2816SAVV-S606689-0unknown———
└ 64.37.245.0/24256SAVV-S229660-12unknown———
└ 64.37.246.0/2664SAVV-S234224-7unknown———
└ 64.37.246.192/298SAVV-S266374-0unknown———
└ 64.37.246.224/2732SAVV-S608507-1unknown———
└ 64.37.249.128/2664SAVV-S609206-15unknown———
└ 64.37.249.192/2816SAVV-S609206-16unknown———
└ 64.37.251.64/298SAVV-S265350-0unknown———
└ 64.37.252.64/2664SAVV-S612545-5unknown———
└ 64.37.254.48/2816SAVV-S233599-4unknown———
└ 64.37.254.144/2816SAVV-S232225-5unknown———
└ 64.37.254.160/2732SAVV-S232225-6unknown———
└ 64.37.254.192/2664SAVV-S232225-7unknown———

Composition

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

Announced space

Address share

Announced space

Types across the prefix

16,384 addresses
TypeAddressesShareRanges
Internet provider12,92879%60
Business3,45621%105

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