Data as of Nov 8, 2026

144.121.123.0/24

3 residential-proxy exits · 30 days

Crown Castle Fiber LLC · space held by Zayo Bandwidth

Announcement
No RPKI
Announced by
Type
Internet provider
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
3
1.2% of its addresses · 30 days
Always-on exits
1
33% of its exits
Providers
31
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

2.6K observations

Proxy providers listing exits

  • 9Proxy
  • AnyIP
  • BottingTools
  • Byteful
  • CliProxy
  • ColaProxy
  • Decodo
  • EnigmaProxy
  • FastProxy
  • FloppyData
  • Geonode
  • GloryCloud
  • IPMUSK
  • LudaxProxy
  • NextProxy
  • NovaProxy
  • Oxylabs
  • ProxiesVision
  • Proxiware
  • ProxyEmpire
  • ProxyGeo
  • Proxying
  • RainProxy
  • ResiProxies
  • SPYDERPROXY_PREMIUM
  • Thordata
  • TrueProxies
  • VantageProxies
  • WealthProxies
  • ZENPROXY_LITE
  • ZENPROXY_PREMIUM

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
144.121.64.0/18
since May 2016
AS46887Internet provider34
8 always on
Zayo Bandwidth
144.121.0.0/16
since Nov 2021
AS46887Internet provider131
25 always on
Zayo Bandwidth

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
144.121.0.0/1665,536ZAYO-CCF-144-121-0-0Zayo Bandwidth (ZAYOB) · USDirect AllocationApr 29, 2016abuse@zayo.com
└ 144.121.123.32/2816NET-144-121-123-32-28unknown———
└ 144.121.123.48/298LTF-144-121-123-48-29unknown———
└ 144.121.123.56/298LTF--144-121-123-56-29unknown———
└ 144.121.123.68/304NET-CCF--144-121-123-68-30unknown———
└ 144.121.123.72/298LTF-0-144-121-123-72-29unknown———
└ 144.121.123.80/298LTF--144-121-123-80-29unknown———
└ 144.121.123.88/298NET-CCF--144-121-123-88-29unknown———
└ 144.121.123.96/304NET-CCF---144-121-123-96-30unknown———
└ 144.121.123.100/304NET-CCF---144-121-123-100-30unknown———
└ 144.121.123.104/298NET-144-121-123-104-29unknown———
└ 144.121.123.112/2816NET-144-121-123-112-28unknown———
└ 144.121.123.128/304NET-CCF--144-121-123-128-30unknown———
└ 144.121.123.132/304NET-CCF---144-121-123-132-30unknown———
└ 144.121.123.136/298NET-CCF--144-121-123-136-29unknown———
└ 144.121.123.144/298NET-CCF--144-121-123-144-29unknown———
└ 144.121.123.168/298NET-Z-CCF--144-121-123-168-29unknown———
└ 144.121.123.176/2816NET-144-121-123-176-28unknown———
└ 144.121.123.224/304NET-CCF--144-121-123-224-30unknown———
└ 144.121.123.228/304NET-CCF---144-121-123-228-30unknown———
└ 144.121.123.232/298NET-CCF-0-144-121-123-232-29unknown———
└ 144.121.123.240/298NET-CCF---144-121-123-240-29unknown———
└ 144.121.123.248/298NET-CCF---144-121-123-248-29unknown———

Network & registry

Announced by

Covering announcement 144.121.120.0/22

Prefix
144.121.120.0/22
Announced by
AS46887 Crown Castle Fiber LLC
Type
Internet provider
Proxy exits
4
Always-on exits
1
RPKI
No RPKI
Netname
ZAYO-CCF-144-121-0-0
Registrant
Zayo Bandwidth
RIR
ARIN
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