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Data as of Nov 9, 2026

144.121.160.0/22

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
Spread
1 of 4
/24s with at least one exit
Providers
3
selling exits here
Oct 10, 2026 – Nov 8, 2026

Exits seen per day

121 observations

Proxy providers listing exits

  • AnyIP
  • ColaProxy
  • Thordata

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
144.121.160.0/19
since May 2016
AS46887Internet provider24
4 always on
Zayo Bandwidth
144.121.0.0/16
since Nov 2021
AS46887Internet provider129
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
└ 144.121.160.0/304NET-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———

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