Data as of Nov 8, 2026

144.121.201.0/24

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
2
67% of its exits
Providers
29
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

20K observations

Proxy providers listing exits

  • 711Proxy
  • 9Proxy
  • Ake.net
  • BirdProxies
  • BottingTools
  • Bright Data
  • ByteProxies
  • Byteful
  • DataImpulse
  • Decodo
  • EnigmaProxy
  • FlashProxy
  • FloppyData
  • Geonode
  • GonzoProxy
  • Infatica
  • InfiniteProxies
  • Kookey
  • LemonBright
  • NovaProxy
  • Oxylabs
  • PacketStream
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyRack
  • ProxyWing
  • Thordata
  • ThunderProxy

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 provider132
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
└ 144.121.201.0/298LTF--144-121-201-0-29unknown———
└ 144.121.201.12/304NET-CCF--0-144-121-201-12-30unknown———
└ 144.121.201.24/298NET-CCF-0-144-121-201-24-29unknown———
└ 144.121.201.64/2816NET-144-121-201-64-28unknown———
└ 144.121.201.80/304NET-CCF--144-121-201-80-30unknown———
└ 144.121.201.88/298NET-144-121-201-88-29unknown———
└ 144.121.201.96/304NET-CCF-0-144-121-201-96-30unknown———
└ 144.121.201.100/304NET-CCF-0-144-121-201-100-30unknown———
└ 144.121.201.104/298NET-144-121-201-104-29unknown———
└ 144.121.201.120/304NET-CCF-0-144-121-201-120-30unknown———
└ 144.121.201.124/304NET-CCF-0-144-121-201-124-30unknown———
└ 144.121.201.128/2732NET-144-121-201-128-27unknown———
└ 144.121.201.160/2816NET-CCF--0-144-121-201-160-28unknown———
└ 144.121.201.176/298NET-CCF--144-121-201-176-29unknown———
└ 144.121.201.208/2816NET-CCF-144-121-201-208-28unknown———
└ 144.121.201.224/298NET-144-121-201-224-29unknown———
└ 144.121.201.232/298NET-CCF---144-121-201-232-29unknown———
└ 144.121.201.240/304NET-CCF-0-144-121-201-240-30unknown———
└ 144.121.201.244/304NET-CCF---144-121-201-244-30unknown———
└ 144.121.201.248/298NET-CCF--144-121-201-248-29unknown———

Network & registry

Announced by

Covering announcement 144.121.200.0/22

Prefix
144.121.200.0/22
Announced by
AS46887 Crown Castle Fiber LLC
Type
Internet provider
Proxy exits
7
Always-on exits
3
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