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Data as of Nov 9, 2026

144.121.176.0/22

2 residential-proxy exits · 30 days

Crown Castle Fiber LLC · space held by Zayo Bandwidth

Announcement
this exact prefix
No RPKI
Announced by
AS46887
Type
Internet provider
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
2
0.20% of its addresses · 30 days
Spread
2 of 4
/24s with at least one exit
Providers
21
selling exits here
Oct 10, 2026 – Nov 8, 2026

Exits seen per day

158 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
144.121.178.0/2401
144.121.179.0/2401

Proxy providers listing exits

  • 711Proxy
  • AnyIP
  • BottingTools
  • Byteful
  • CliProxy
  • FlexyProxies
  • FloppyData
  • Geonode
  • GloryCloud
  • IPOasis
  • IPPeak
  • InfiniteProxies
  • NSocks
  • NovaProxy
  • PrivateProxy
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • ResiProxies
  • Thordata
  • VibeProxies

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
144.121.160.0/19
since May 2016
AS46887Internet provider24
4 always on
Zayo Bandwidth
144.121.0.0/16
since Nov 2021
AS46887Internet provider132
25 always on
Zayo Bandwidth

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
144.121.0.0/1665,536ZAYO-CCF-144-121-0-0Zayo Bandwidth (ZAYOB) · USDirect AllocationApr 29, 2016abuse@zayo.com
└ 144.121.176.0/2732LTF--144-121-176-0-27unknown———
└ 144.121.176.32/298NET-CCF--144-121-176-32-29unknown———
└ 144.121.176.40/298NET-CCF--144-121-176-40-29unknown———
└ 144.121.176.48/298LTF--144-121-176-48-29unknown———
└ 144.121.176.56/298LTF--144-121-176-56-29unknown———
└ 144.121.176.64/298LTF--144-121-176-64-29unknown———
└ 144.121.176.72/304NET-CCF-0-144-121-176-72-30unknown———
└ 144.121.176.80/298LTF-0-144-121-176-80-29unknown———
└ 144.121.176.88/304NET-CCF-0-144-121-176-88-30unknown———
└ 144.121.176.96/2816NET-Z-CCF--144-121-176-96-28unknown———
└ 144.121.176.112/298NET-Z-CCF--144-121-176-112-29unknown———
└ 144.121.176.120/298NET-Z-CCF-0-144-121-176-120-29unknown———
└ 144.121.176.128/2732NET-Z-CCF--144-121-176-128-27unknown———
└ 144.121.176.160/298NET-CCF--144-121-176-160-29unknown———
└ 144.121.176.172/304NET-CCF--144-121-176-172-30unknown———
└ 144.121.176.176/2816LTF--144-121-176-176-28unknown———
└ 144.121.176.192/298NET-CCF--144-121-176-192-29unknown———
└ 144.121.176.200/304NET-CCF--144-121-176-200-30unknown———
└ 144.121.176.208/304NET-CCF--144-121-176-208-30unknown———
└ 144.121.176.216/298LTF--144-121-176-216-29unknown———
└ 144.121.176.224/2732LTF--144-121-176-224-27unknown———
└ 144.121.177.160/298NET-CCF--144-121-177-160-29unknown———
└ 144.121.177.168/298NET-CCF-0-144-121-177-168-29unknown———
└ 144.121.177.176/298NET-CCF--144-121-177-176-29unknown———
└ 144.121.177.184/298NET-CCF--144-121-177-184-29unknown———
└ 144.121.177.192/2664NET-CCF--144-121-177-192-26unknown———
└ 144.121.178.0/2816LTF-0-144-121-178-0-28unknown———
└ 144.121.178.16/304NET-CCF-0-144-121-178-16-30unknown———
└ 144.121.178.32/2816LTF-0-144-121-178-32-28unknown———
└ 144.121.178.64/2816LTF--144-121-178-64-28unknown———
└ 144.121.178.96/2732LTF-0-144-121-178-96-27unknown———
└ 144.121.178.128/298NET-CCF--144-121-178-128-29unknown———
└ 144.121.178.136/298NET-CCF-0-144-121-178-136-29unknown———
└ 144.121.178.144/298NET-CCF--144-121-178-144-29unknown———
└ 144.121.178.152/298LTF-0-144-121-178-152-29unknown———
└ 144.121.178.160/2732LTF--144-121-178-160-27unknown———
└ 144.121.178.196/304NET-CCF--144-121-178-196-30unknown———
└ 144.121.178.200/298NET-CCF--144-121-178-200-29unknown———
└ 144.121.178.208/2816LTF-0-144-121-178-208-28unknown———
└ 144.121.178.224/298NET-CCF--144-121-178-224-29unknown———
└ 144.121.178.232/298NET-CCF--144-121-178-232-29unknown———
└ 144.121.178.240/298LTF-0-144-121-178-240-29unknown———
└ 144.121.178.248/298NET-CCF--144-121-178-248-29unknown———
└ 144.121.179.0/2816NET-CCF--144-121-179-0-28unknown———
└ 144.121.179.16/298NET-CCF-0-144-121-179-16-29unknown———
└ 144.121.179.24/298NET-CCF-LT-614-144-121-179-24-29unknown———
└ 144.121.179.32/304NET-CCF-0-144-121-179-32-30unknown———
└ 144.121.179.40/298LTF--144-121-179-40-29unknown———
└ 144.121.179.52/304NET-Z-CCF-0-144-121-179-52-30unknown———
└ 144.121.179.56/298NET-144-121-179-56-29unknown———
└ 144.121.179.64/2732LTF--144-121-179-64-27unknown———
└ 144.121.179.96/298NET-Z-CCF--144-121-179-96-29unknown———
└ 144.121.179.104/298LTF--144-121-179-104-29unknown———
└ 144.121.179.112/298LTF--144-121-179-112-29unknown———
└ 144.121.179.120/298NET-CCF-0-144-121-179-120-29unknown———
└ 144.121.179.136/304NET-Z-CCF-0-144-121-179-136-30unknown———
└ 144.121.179.140/304NET-CCF--144-121-179-140-30unknown———
└ 144.121.179.144/2816NET-144-121-179-144-28unknown———
└ 144.121.179.160/2732LTF-0-144-121-179-160-27unknown———
└ 144.121.179.192/298LTF--144-121-179-192-29unknown———
└ 144.121.179.240/304NET-CCF--144-121-179-240-30unknown———
└ 144.121.179.248/298NET-CCF-0-144-121-179-248-29unknown———

Network & registry

AnnouncementRouting historyWhois & abuse
Origin network

AS46887

US
Name
Crown Castle Fiber LLC
Type
Internet provider
Registered
Apr 13, 2009
Domain
zayo.com
Website
www.crowncastle.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed