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Data as of Nov 8, 2026

144.121.124.0/22

1 residential-proxy exit · 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
1
0.10% of its addresses · 30 days
Always-on exits
1
100% of its exits
Spread
1 of 4
/24s with at least one exit
Providers
19
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

5.0K observations

Proxy providers listing exits

  • 9Proxy
  • AnyIP
  • BottingTools
  • ByteProxies
  • Byteful
  • DataImpulse
  • Evomi
  • FlashProxy
  • FloppyData
  • Geonode
  • Infatica
  • LemonBright
  • Oxylabs
  • Proxy4U
  • ProxyEmpire
  • ProxyRack
  • Proxying
  • Thordata
  • ThunderProxy

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
144.121.64.0/18
since May 2016
AS46887Internet provider35
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 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
└ 144.121.124.8/298LTF--144-121-124-8-29unknown———
└ 144.121.124.16/2816NET-CCF-0-144-121-124-16-28unknown———
└ 144.121.124.32/298NET-CCF---144-121-124-32-29unknown———
└ 144.121.124.40/298LTF-0-144-121-124-40-29unknown———
└ 144.121.124.48/304NET-CCF-0-144-121-124-48-30unknown———
└ 144.121.124.52/304NET-CCF-0-144-121-124-52-30unknown———
└ 144.121.124.60/304NET-Z-CCF--144-121-124-60-30unknown———
└ 144.121.124.80/298LTF--144-121-124-80-29unknown———
└ 144.121.124.96/2732NET-SD-50972-144-121-124-96-27unknown———
└ 144.121.124.128/298NET-CCF-144-121-124-128-29unknown———
└ 144.121.124.144/298NET-CCF-0-144-121-124-144-29unknown———
└ 144.121.124.168/298NET-CCF--0-144-121-124-168-29unknown———
└ 144.121.124.192/298NET-CCF---144-121-124-192-29unknown———
└ 144.121.124.200/298NET-CCF--0-144-121-124-200-29unknown———
└ 144.121.124.208/2816NET-CCF---144-121-124-208-28unknown———
└ 144.121.124.224/304NET-CCF--144-121-124-224-30unknown———
└ 144.121.124.228/304NET-CCF--0-144-121-124-228-30unknown———
└ 144.121.124.232/298NET-CCF--144-121-124-232-29unknown———
└ 144.121.124.240/298NET-CCF---144-121-124-240-29unknown———
└ 144.121.124.248/298LTF-0-144-121-124-248-29unknown———
└ 144.121.125.0/298NET-CCF---144-121-125-0-29unknown———
└ 144.121.125.8/298LTF-168054-INET-CCF---METTEL-144-121-125-8-29unknown———
└ 144.121.125.16/298NET-CCF--144-121-125-16-29unknown———
└ 144.121.125.24/304NET-CCF-144-121-125-24-30unknown———
└ 144.121.125.28/304NET-CCF---144-121-125-28-30unknown———
└ 144.121.125.32/304NET-144-121-125-32-30unknown———
└ 144.121.125.64/298NET-CCF--0-144-121-125-64-29unknown———
└ 144.121.125.104/298NET-144-121-125-104-29unknown———
└ 144.121.125.116/304NET-144-121-125-116-30unknown———
└ 144.121.125.128/2816NET-144-121-125-128-28unknown———
└ 144.121.125.144/2816NET-144-121-125-144-28unknown———
└ 144.121.125.160/304NET-CCF--144-121-125-160-30unknown———
└ 144.121.125.164/304NET-CCF--0-144-121-125-164-30unknown———
└ 144.121.125.168/298NET-144-121-125-168-29unknown———
└ 144.121.125.176/2816NET-CCF---144-121-125-176-28unknown———
└ 144.121.125.196/304NET-CCF--144-121-125-196-30unknown———
└ 144.121.125.200/298NET-CCF--144-121-125-200-29unknown———
└ 144.121.125.208/298NET-CCF-0-144-121-125-208-29unknown———
└ 144.121.125.216/304NET-CCF--144-121-125-216-30unknown———
└ 144.121.125.220/304NET-CCF--144-121-125-220-30unknown———
└ 144.121.125.224/298NET-CCF--LT-747-144-121-125-224-29unknown———
└ 144.121.125.232/298NET-144-121-125-232-29unknown———
└ 144.121.125.240/304NET-CCF--144-121-125-240-30unknown———
└ 144.121.125.244/304NET-CCF---144-121-125-244-30unknown———
└ 144.121.125.248/304NET-CCF--144-121-125-248-30unknown———
└ 144.121.125.252/304NET-CCF-0-144-121-125-252-30unknown———
└ 144.121.126.0/2664NET-144-121-126-0-26unknown———
└ 144.121.126.64/2816NET-144-121-126-64-28unknown———
└ 144.121.126.80/298NET-CCF--LT-747-144-121-126-80-29unknown———
└ 144.121.126.88/298NET-CCF--144-121-126-88-29unknown———
└ 144.121.126.96/298NET-144-121-126-96-29unknown———
└ 144.121.126.104/298NET-144-121-126-104-29unknown———
└ 144.121.126.128/298LTF--144-121-126-128-29unknown———
└ 144.121.126.136/304NET-Z-CCF--144-121-126-136-30unknown———
└ 144.121.126.140/304NET-CCF--144-121-126-140-30unknown———
└ 144.121.126.160/2732LTF-0-144-121-126-160-27unknown———
└ 144.121.126.192/298NET-CCF---144-121-126-192-29unknown———
└ 144.121.126.200/304NET-CCF-0-144-121-126-200-30unknown———
└ 144.121.126.204/304NET-CCF--144-121-126-204-30unknown———
└ 144.121.126.216/304NET-Z-CCF-LT-614-144-121-126-216-30unknown———
└ 144.121.126.224/2816NET-CCF--144-121-126-224-28unknown———
└ 144.121.126.240/298NET-144-121-126-240-29unknown———
└ 144.121.126.248/298NET-CCF--144-121-126-248-29unknown———
└ 144.121.127.0/2816NET-144-121-127-0-28unknown———
└ 144.121.127.24/298NET-CCF--0-144-121-127-24-29unknown———
└ 144.121.127.40/298NET-144-121-127-40-29unknown———
└ 144.121.127.48/2816NET-144-121-127-48-28unknown———
└ 144.121.127.72/298NET-144-121-127-72-29unknown———
└ 144.121.127.88/298NET-144-121-127-88-29unknown———
└ 144.121.127.96/298NET-CCF---144-121-127-96-29unknown———
└ 144.121.127.104/304NET-CCF-0-144-121-127-104-30unknown———
└ 144.121.127.108/304NET-CCF--144-121-127-108-30unknown———
└ 144.121.127.112/298NET-CCF---144-121-127-112-29unknown———
└ 144.121.127.160/2732NET-Z-CCF-LT-476-144-121-127-160-27unknown———
└ 144.121.127.192/2732NET-CCF--144-121-127-192-27unknown———

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