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Data as of Nov 7, 2026

144.121.3.0/24

1 residential-proxy exit · 30 days

Crown Castle Fiber LLC · space held by Zayo Bandwidth

Announcement
144.121.0.0/22
No RPKI
Announced by
AS46887
Type
Internet provider
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
1
0.39% of its addresses · 30 days
Always-on exits
1
100% of its exits
Providers
20
selling exits here
Oct 8, 2026 – Nov 6, 2026

Exits seen per day

3.3K observations

Proxy providers listing exits

  • 711Proxy
  • AnyIP
  • BirdProxies
  • BottingTools
  • Bright Data
  • ByteProxies
  • Byteful
  • DataImpulse
  • Decodo
  • FlashProxy
  • FloppyData
  • Geonode
  • Maskify
  • Oxylabs
  • Proxy-Seller
  • ProxyEmpire
  • ProxyRack
  • ProxyWing
  • Thordata
  • ThunderProxy

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
144.121.0.0/18
since Aug 2016
AS46887Internet provider17
3 always on
Zayo Bandwidth
144.121.0.0/16
since Nov 2021
AS46887Internet provider134
24 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
└ 144.121.3.0/298NET-144-121-3-0-29unknown———
└ 144.121.3.16/298NET-144-121-3-16-29unknown———
└ 144.121.3.24/304NET-CCF---144-121-3-24-30unknown———
└ 144.121.3.32/2732NET-CCF---144-121-3-32-27unknown———
└ 144.121.3.64/298NET-SD-50020-144-121-3-64-29unknown———
└ 144.121.3.80/2816NET-144-121-3-80-28unknown———
└ 144.121.3.96/2732NET-Z-CCF--144-121-3-96-27unknown———
└ 144.121.3.128/298NET-CCF---144-121-3-128-29unknown———
└ 144.121.3.144/304NET-CCF---144-121-3-144-30unknown———
└ 144.121.3.152/298LTF-0-144-121-3-152-29unknown———
└ 144.121.3.160/298NET-CCF--0-144-121-3-160-29unknown———
└ 144.121.3.168/298NET-CCF-144-121-3-168-29unknown———
└ 144.121.3.176/2816NET-CCF---144-121-3-176-28unknown———
└ 144.121.3.192/298NET-144-121-3-192-29unknown———
└ 144.121.3.200/304NET-CCF--SD-50292-144-121-3-200-30unknown———
└ 144.121.3.204/304NET-CCF---144-121-3-204-30unknown———
└ 144.121.3.208/2816NET-CCF---144-121-3-208-28unknown———
└ 144.121.3.224/298NET-CCF--0-144-121-3-224-29unknown———
└ 144.121.3.232/298NET-144-121-3-232-29unknown———
└ 144.121.3.248/298NET-144-121-3-248-29unknown———

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 144.121.0.0/22

Prefix
144.121.0.0/22
Announced by
AS46887 Crown Castle Fiber LLC
Type
Internet provider
Proxy exits
2
Always-on exits
2
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