Data as of Nov 8, 2026

144.121.211.0/24

2 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
2
0.78% of its addresses · 30 days
Always-on exits
1
50% of its exits
Providers
32
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

2.5K observations

Proxy providers listing exits

  • 711Proxy
  • 9Proxy
  • AnyIP
  • B2Proxy
  • BirdProxies
  • BottingTools
  • Bright Data
  • Byteful
  • ColaProxy
  • EZProxies
  • FastProxy
  • GloryCloud
  • IPFly
  • IPPeak
  • Kookey
  • LemonBright
  • LudaxProxy
  • MoMoProxy
  • NovaProxy
  • Novada
  • ProxyEmpire
  • ProxyRack
  • ProxyWing
  • PuraRoute
  • RainProxy
  • RoamProxy
  • RolaProxy
  • TalorData
  • Thordata
  • TrueProxies
  • YumiProxy
  • ZENPROXY_LITE

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
144.121.192.0/18
since Dec 2017
AS46887Internet provider43
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
└ 144.121.211.0/304NET-Z-CCF--144-121-211-0-30unknown———
└ 144.121.211.4/304NET-CCF--0-144-121-211-4-30unknown———
└ 144.121.211.8/304NET-Z-CCF--144-121-211-8-30unknown———
└ 144.121.211.16/298NET-CCF--0-144-121-211-16-29unknown———
└ 144.121.211.32/298NET-144-121-211-32-29unknown———
└ 144.121.211.40/298LTF--144-121-211-40-29unknown———
└ 144.121.211.56/298NET-144-121-211-56-29unknown———
└ 144.121.211.64/298NET-CCF-0-144-121-211-64-29unknown———
└ 144.121.211.72/298NET-CCF--144-121-211-72-29unknown———
└ 144.121.211.80/304NET-CCF-0-144-121-211-80-30unknown———
└ 144.121.211.84/304NET-CCF--0-144-121-211-84-30unknown———
└ 144.121.211.96/298NET-CCF--144-121-211-96-29unknown———
└ 144.121.211.104/304NET-CCF--144-121-211-104-30unknown———
└ 144.121.211.108/304NET-CCF--144-121-211-108-30unknown———
└ 144.121.211.112/2816NET-CCF-0-144-121-211-112-28unknown———
└ 144.121.211.128/298NET-144-121-211-128-29unknown———
└ 144.121.211.136/298NET-CCF---144-121-211-136-29unknown———
└ 144.121.211.144/298NET-CCF--144-121-211-144-29unknown———
└ 144.121.211.152/298LTF--144-121-211-152-29unknown———
└ 144.121.211.164/304NET-Z-CCF-LT-422-144-121-211-164-30unknown———
└ 144.121.211.168/298NET-CCF--0-144-121-211-168-29unknown———
└ 144.121.211.184/304NET-Z-CCF-0-144-121-211-184-30unknown———
└ 144.121.211.192/2816NET-CCF--144-121-211-192-28unknown———
└ 144.121.211.208/298LTF--144-121-211-208-29unknown———
└ 144.121.211.224/2732LTF--144-121-211-224-27unknown———

Network & registry

Announced by

Covering announcement 144.121.208.0/22

Prefix
144.121.208.0/22
Announced by
AS46887 Crown Castle Fiber LLC
Type
Internet provider
Proxy exits
3
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