LAYER3 INTEL
Get started
Sign in
Data as of Nov 9, 2026

144.121.160.0/19

24 residential-proxy exits · 30 days

Crown Castle Fiber LLC · space held by Zayo Bandwidth

Announcement
this exact prefix
No RPKI
Announced by
AS46887
Type
Internet provider
97% of it

Residential-proxy exits

Proxy exits
24
0.29% of its addresses · 30 days
Always-on exits
4
17% of its exits
Spread
11 of 32
/24s with at least one exit
Providers
59
selling exits here
Oct 10, 2026 – Nov 8, 2026

Exits seen per day

22K observations
  • Business
  • Internet provider

/24s with the most always-on exits

/24Always-on exitsProxy exits
144.121.170.0/2439
144.121.168.0/2411
144.121.180.0/2405
144.121.169.0/2402
144.121.163.0/2401
144.121.165.0/2401
144.121.178.0/2401
144.121.179.0/2401
144.121.181.0/2401
144.121.185.0/2401
144.121.189.0/2401

Proxy providers listing exits

  • 711Proxy
  • 9Proxy
  • Ake.net
  • AnyIP
  • BirdProxies
  • BlurPath
  • BottingTools
  • Bright Data
  • ByteProxies
  • Byteful
  • CliProxy
  • ColaProxy
  • DataImpulse
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FLEETPROXY
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • Geonode
  • GloryCloud
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • InfiniteProxies
  • LemonBright
  • LudaxProxy
  • NSocks
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PROXYSCRAPE
  • PrivateProxy
  • Proxiware
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • RainProxy
  • ResiProxies
  • SPYDERPROXY_PREMIUM
  • Thordata
  • ThunderProxy
  • TrueProxies
  • VantageProxies
  • VibeProxies
  • VitalExclusive
  • WealthProxies
  • ZENPROXY_LITE
  • ZENPROXY_PREMIUM

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
144.121.0.0/16
since Nov 2021
AS46887Internet provider129
25 always on
Zayo Bandwidth
More specific

Announcements inside

PrefixOriginTypeProxy exitsHolderRPKI
144.121.160.0/22
since May 2025
AS46887Internet provider1Zayo Bandwidth
144.121.168.0/22
since Jul 2025
AS46887Internet provider12
4 always on
Zayo Bandwidth
144.121.176.0/22
since Sep 2025
AS46887Internet provider2Zayo Bandwidth
144.121.180.0/24
since Mar 2020
AS19600Business5Zayo 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
└ 144.121.160.0/304NET-CCF--144-121-160-0-30unknown———
└ 144.121.160.8/304NET-CCF--144-121-160-8-30unknown———
└ 144.121.160.16/298NET-Z-CCF-0-144-121-160-16-29unknown———
└ 144.121.160.24/298NET-CCF---144-121-160-24-29unknown———
└ 144.121.160.32/2732NET-CCF--144-121-160-32-27unknown———
└ 144.121.160.72/304NET-CCF-0-144-121-160-72-30unknown———
└ 144.121.160.80/2816NET-CCF--144-121-160-80-28unknown———
└ 144.121.160.104/298NET-144-121-160-104-29unknown———
└ 144.121.160.120/304NET-Z-CCF--144-121-160-120-30unknown———
└ 144.121.160.132/304NET-CCF--144-121-160-132-30unknown———
└ 144.121.160.136/304NET-Z-CCF--144-121-160-136-30unknown———
└ 144.121.160.160/2732NET-144-121-160-160-27unknown———
└ 144.121.160.192/304NET-CCF--144-121-160-192-30unknown———
└ 144.121.160.200/298NET-144-121-160-200-29unknown———
└ 144.121.160.208/298NET-Z-CCF--144-121-160-208-29unknown———
└ 144.121.160.216/304NET-CCF-0-144-121-160-216-30unknown———
└ 144.121.160.220/304NET-Z-CCF--144-121-160-220-30unknown———
└ 144.121.160.224/298NET-144-121-160-224-29unknown———
└ 144.121.160.232/304NET-Z-CCF--144-121-160-232-30unknown———
└ 144.121.160.240/298LTF--144-121-160-240-29unknown———
└ 144.121.160.248/298NET-144-121-160-248-29unknown———
└ 144.121.161.8/304NET-CCF--144-121-161-8-30unknown———
└ 144.121.161.16/298NET-CCF---144-121-161-16-29unknown———
└ 144.121.161.24/298NET-CCF--SD-51192-144-121-161-24-29unknown———
└ 144.121.161.36/304NET-CCF--144-121-161-36-30unknown———
└ 144.121.161.48/304NET-CCF---144-121-161-48-30unknown———
└ 144.121.161.64/304NET-CCF--144-121-161-64-30unknown———
└ 144.121.161.72/298NET-CCF-0-144-121-161-72-29unknown———
└ 144.121.161.80/298NET-CCF-0-144-121-161-80-29unknown———
└ 144.121.161.88/298NET-LT-693-144-121-161-88-29unknown———
└ 144.121.161.96/2732NET-144-121-161-96-27unknown———
└ 144.121.161.128/304NET-CCF-0-144-121-161-128-30unknown———
└ 144.121.161.132/304NET-CCF--144-121-161-132-30unknown———
└ 144.121.161.140/304NET-CCF---144-121-161-140-30unknown———
└ 144.121.161.144/2816NET-CCF--144-121-161-144-28unknown———
└ 144.121.161.168/304NET-Z-CCF--144-121-161-168-30unknown———
└ 144.121.161.172/304NET-CCF-0-144-121-161-172-30unknown———
└ 144.121.161.176/298NET-Z-CCF-0-144-121-161-176-29unknown———
└ 144.121.161.188/304NET-CCF-0-144-121-161-188-30unknown———
└ 144.121.161.200/298NET-CCF-0-144-121-161-200-29unknown———
└ 144.121.161.208/298NET-144-121-161-208-29unknown———
└ 144.121.161.216/298NET-CCF-0-144-121-161-216-29unknown———
└ 144.121.161.224/304NET-Z-CCF--144-121-161-224-30unknown———
└ 144.121.161.232/298LTF--144-121-161-232-29unknown———
└ 144.121.161.240/298NET-CCF--144-121-161-240-29unknown———
└ 144.121.161.248/298NET-CCF--144-121-161-248-29unknown———
└ 144.121.162.0/304NET-Z-CCF--144-121-162-0-30unknown———
└ 144.121.162.4/304NET-CCF-0-144-121-162-4-30unknown———
└ 144.121.162.16/298NET-144-121-162-16-29unknown———
└ 144.121.162.24/298NET-CCF-0-144-121-162-24-29unknown———
└ 144.121.162.32/298NET-CCF--0-144-121-162-32-29unknown———
└ 144.121.162.48/304NET-CCF-0-144-121-162-48-30unknown———
└ 144.121.162.52/304NET-CCF--144-121-162-52-30unknown———
└ 144.121.162.64/2732NET-CCF--144-121-162-64-27unknown———
└ 144.121.162.96/304NET-CCF-0-144-121-162-96-30unknown———
└ 144.121.162.100/304NET-CCF--144-121-162-100-30unknown———
└ 144.121.162.104/298NET-CCF-0-144-121-162-104-29unknown———
└ 144.121.162.112/298NET-CCF-0-144-121-162-112-29unknown———
└ 144.121.162.128/2816NET-CCF--144-121-162-128-28unknown———
└ 144.121.162.144/298LTF--144-121-162-144-29unknown———
└ 144.121.162.152/298LTF--144-121-162-152-29unknown———
└ 144.121.162.160/2732NET-144-121-162-160-27unknown———
└ 144.121.162.192/298NET-Z-CCF--144-121-162-192-29unknown———
└ 144.121.162.200/298NET-Z-CCF--144-121-162-200-29unknown———
└ 144.121.162.208/2816NET-Z-CCF-SD-50552-144-121-162-208-28unknown———
└ 144.121.162.224/304NET-CCF--144-121-162-224-30unknown———
└ 144.121.162.228/304NET-Z-CCF--144-121-162-228-30unknown———
└ 144.121.162.232/298NET-144-121-162-232-29unknown———
└ 144.121.162.240/298NET-CCF--144-121-162-240-29unknown———
└ 144.121.162.248/304NET-144-121-162-248-30unknown———
└ 144.121.163.0/298LTF--144-121-163-0-29unknown———
└ 144.121.163.20/304NET-CCF--144-121-163-20-30unknown———
└ 144.121.163.32/298NET-144-121-163-32-29unknown———
└ 144.121.163.44/304NET-CCF--144-121-163-44-30unknown———
└ 144.121.163.48/298NET-CCF--144-121-163-48-29unknown———
└ 144.121.163.56/298NET-CCF-0-144-121-163-56-29unknown———
└ 144.121.163.64/2732NET-CCF--144-121-163-64-27unknown———
└ 144.121.163.96/2816NET-CCF--144-121-163-96-28unknown———
└ 144.121.163.112/2816NET-CCF--144-121-163-112-28unknown———
└ 144.121.163.128/304NET-CCF-0-144-121-163-128-30unknown———
└ 144.121.163.132/304NET-CCF--144-121-163-132-30unknown———
└ 144.121.163.136/298NET-144-121-163-136-29unknown———
└ 144.121.163.144/304NET-CCF--144-121-163-144-30unknown———
└ 144.121.163.152/298LTF--144-121-163-152-29unknown———
└ 144.121.163.160/298NET-CCF--144-121-163-160-29unknown———
└ 144.121.163.184/298NET-144-121-163-184-29unknown———
└ 144.121.163.192/298LTF--144-121-163-192-29unknown———
└ 144.121.163.200/304NET-CCF--144-121-163-200-30unknown———
└ 144.121.163.208/298NET-CCF-0-144-121-163-208-29unknown———
└ 144.121.163.224/304NET-CCF---144-121-163-224-30unknown———
└ 144.121.163.228/304NET-CCF--144-121-163-228-30unknown———
└ 144.121.163.240/2816NET-144-121-163-240-28unknown———
└ 144.121.164.80/298NET-144-121-164-80-29unknown———
└ 144.121.164.96/2732NET-144-121-164-96-27unknown———
└ 144.121.164.128/25128NET-144-121-164-128-25unknown———
└ 144.121.165.0/298LTF--144-121-165-0-29unknown———
└ 144.121.165.8/298NET-0-144-121-165-8-29unknown———
└ 144.121.165.24/298NET-144-121-165-24-29unknown———
└ 144.121.165.72/298LTF--144-121-165-72-29unknown———
└ 144.121.165.88/298NET-144-121-165-88-29unknown———
└ 144.121.165.96/2732NET-144-121-165-96-27unknown———
└ 144.121.165.128/2816LTF-SD-49697-144-121-165-128-28unknown———
└ 144.121.165.144/298LTF--144-121-165-144-29unknown———
└ 144.121.165.160/2816NET-144-121-165-160-28unknown———
└ 144.121.165.192/298LTF-144-121-165-192-29unknown———
└ 144.121.165.208/298LTF-0-144-121-165-208-29unknown———
└ 144.121.165.216/298LTF--144-121-165-216-29unknown———
└ 144.121.165.240/2816LTF-0-144-121-165-240-28unknown———
└ 144.121.166.0/298LTF--144-121-166-0-29unknown———
└ 144.121.166.16/298LTF--144-121-166-16-29unknown———
└ 144.121.166.48/304LTF-0-144-121-166-48-30unknown———
└ 144.121.166.80/298LTF--144-121-166-80-29unknown———
└ 144.121.166.88/298NET-0-144-121-166-88-29unknown———
└ 144.121.166.96/2732LTF--144-121-166-96-27unknown———
└ 144.121.166.128/298LTF--144-121-166-128-29unknown———
└ 144.121.166.136/298LTF--144-121-166-136-29unknown———
└ 144.121.166.192/298LTF-0-144-121-166-192-29unknown———
└ 144.121.166.200/298LTF--144-121-166-200-29unknown———
└ 144.121.166.208/298NET-0-144-121-166-208-29unknown———
└ 144.121.166.224/2732LTF--144-121-166-224-27unknown———
└ 144.121.168.0/298LTF--144-121-168-0-29unknown———
└ 144.121.168.8/298NET-CCF--144-121-168-8-29unknown———
└ 144.121.168.16/2816NET-CCF--144-121-168-16-28unknown———
└ 144.121.168.40/298LTF--144-121-168-40-29unknown———
└ 144.121.168.48/298NET-CCF-0-144-121-168-48-29unknown———
└ 144.121.168.56/298LTF--144-121-168-56-29unknown———
└ 144.121.168.64/2732NET-CCF--144-121-168-64-27unknown———
└ 144.121.168.96/2732LTF--144-121-168-96-27unknown———
└ 144.121.168.128/2816NET-Z-CCF--144-121-168-128-28unknown———
└ 144.121.168.144/298NET-Z-CCF--144-121-168-144-29unknown———
└ 144.121.168.152/304NET-Z-CCF-LT-614-144-121-168-152-30unknown———
└ 144.121.168.160/2816NET-144-121-168-160-28unknown———
└ 144.121.168.176/2816LTF--144-121-168-176-28unknown———
└ 144.121.168.192/2664LTF--144-121-168-192-26unknown———
└ 144.121.169.32/2732LTF--144-121-169-32-27unknown———
└ 144.121.169.64/2732LTF--144-121-169-64-27unknown———
└ 144.121.169.96/298NET-CCF-0-144-121-169-96-29unknown———
└ 144.121.169.104/298LTF--144-121-169-104-29unknown———
└ 144.121.169.120/298NET-CCF-0-144-121-169-120-29unknown———
└ 144.121.169.128/25128NET-Z-CCF--144-121-169-128-25unknown———
└ 144.121.170.0/2732LTF--144-121-170-0-27unknown———
└ 144.121.170.32/298NET-CCF-0-144-121-170-32-29unknown———
└ 144.121.170.40/298LTF--144-121-170-40-29unknown———
└ 144.121.170.48/304NET-Z-CCF--144-121-170-48-30unknown———
└ 144.121.170.60/304NET-CCF--144-121-170-60-30unknown———
└ 144.121.170.64/2732NET-CCF--144-121-170-64-27unknown———
└ 144.121.170.96/2732NET-CCF--144-121-170-96-27unknown———
└ 144.121.170.128/2816NET-0-144-121-170-128-28unknown———
└ 144.121.170.144/2816NET-CCF--144-121-170-144-28unknown———
└ 144.121.170.160/298NET-Z-CCF--144-121-170-160-29unknown———
└ 144.121.170.168/298NET-Z-CCF--144-121-170-168-29unknown———
└ 144.121.170.176/298NET-CCF-0-144-121-170-176-29unknown———
└ 144.121.170.184/298LTF--144-121-170-184-29unknown———
└ 144.121.170.192/2732LTF--144-121-170-192-27unknown———
└ 144.121.170.224/298LTF--144-121-170-224-29unknown———
└ 144.121.170.240/2816LTF--144-121-170-240-28unknown———
└ 144.121.171.0/298NET-Z-CCF--144-121-171-0-29unknown———
└ 144.121.171.8/298NET-Z-CCF--144-121-171-8-29unknown———
└ 144.121.171.16/298LTF--144-121-171-16-29unknown———
└ 144.121.171.24/304NET-CCF--0-144-121-171-24-30unknown———
└ 144.121.171.32/2816LTF--144-121-171-32-28unknown———
└ 144.121.171.52/304NET-CCF--144-121-171-52-30unknown———
└ 144.121.171.64/298LTF--144-121-171-64-29unknown———
└ 144.121.171.72/298NET-CCF--144-121-171-72-29unknown———
└ 144.121.171.80/304NET-CCF--144-121-171-80-30unknown———
└ 144.121.171.96/298NET-CCF--144-121-171-96-29unknown———
└ 144.121.171.104/298LTF--144-121-171-104-29unknown———
└ 144.121.171.112/304NET-CCF-0-144-121-171-112-30unknown———
└ 144.121.171.120/298NET-CCF--0-144-121-171-120-29unknown———
└ 144.121.171.128/2732LTF--144-121-171-128-27unknown———
└ 144.121.171.160/2732NET-0-144-121-171-160-27unknown———
└ 144.121.171.192/2732NET-CCF--144-121-171-192-27unknown———
└ 144.121.171.224/298NET-Z-CCF--144-121-171-224-29unknown———
└ 144.121.171.232/298NET-Z-CCF-0-144-121-171-232-29unknown———
└ 144.121.171.240/298NET-Z-CCF-0-144-121-171-240-29unknown———
└ 144.121.171.248/298NET-Z-CCF--144-121-171-248-29unknown———
└ 144.121.172.0/298LTF--144-121-172-0-29unknown———
└ 144.121.172.16/298LTF--144-121-172-16-29unknown———
└ 144.121.172.24/298LTF--144-121-172-24-29unknown———
└ 144.121.172.48/298LTF--144-121-172-48-29unknown———
└ 144.121.172.88/298NET-144-121-172-88-29unknown———
└ 144.121.172.96/2732LTF--144-121-172-96-27unknown———
└ 144.121.172.128/2664LTF--144-121-172-128-26unknown———
└ 144.121.172.200/298LTF--144-121-172-200-29unknown———
└ 144.121.172.216/298LTF--144-121-172-216-29unknown———
└ 144.121.172.224/298LTF--144-121-172-224-29unknown———
└ 144.121.172.240/298LTF--144-121-172-240-29unknown———
└ 144.121.172.248/298LTF--144-121-172-248-29unknown———
└ 144.121.174.32/298LTF--144-121-174-32-29unknown———
└ 144.121.174.40/298NET-0-144-121-174-40-29unknown———
└ 144.121.174.64/2664LTF--144-121-174-64-26unknown———
└ 144.121.174.164/304LTF-144-121-174-164-30unknown———
└ 144.121.174.176/298LTF--144-121-174-176-29unknown———
└ 144.121.174.192/2664LTF--144-121-174-192-26unknown———
└ 144.121.175.16/298LTF--144-121-175-16-29unknown———
└ 144.121.175.24/298LTF--144-121-175-24-29unknown———
└ 144.121.175.40/298LTF--144-121-175-40-29unknown———
└ 144.121.175.48/298LTF--144-121-175-48-29unknown———
└ 144.121.175.56/298LTF--144-121-175-56-29unknown———
└ 144.121.175.64/2664LTF--144-121-175-64-26unknown———
← Previous1–200 of 343 · page 1 of 2Next →

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

8,192 addresses
TypeAddressesShareRanges
Internet provider7,93697%6
Business2563.1%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & 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