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Data as of Nov 9, 2026

144.121.219.0/24

1 residential-proxy exit · 30 days

Crown Castle Fiber LLC · space held by Zayo Bandwidth

Announcement
144.121.216.0/22
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
Providers
3
selling exits here
Oct 10, 2026 – Nov 8, 2026

Exits seen per day

113 observations

Proxy providers listing exits

  • DataImpulse
  • PrivateByte
  • Proxy4U

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
144.121.192.0/18
since Dec 2017
AS46887Internet provider41
8 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 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
└ 144.121.219.0/304NET-CCF---144-121-219-0-30unknown———
└ 144.121.219.8/304NET-CCF---144-121-219-8-30unknown———
└ 144.121.219.12/304NET-Z-CCF--144-121-219-12-30unknown———
└ 144.121.219.16/298NET-CCF-0-144-121-219-16-29unknown———
└ 144.121.219.24/298NET-CCF---144-121-219-24-29unknown———
└ 144.121.219.32/298NET-CCF---144-121-219-32-29unknown———
└ 144.121.219.44/304NET-CCF--0-144-121-219-44-30unknown———
└ 144.121.219.48/304NET-Z-CCF--144-121-219-48-30unknown———
└ 144.121.219.52/304NET-Z-CCF--144-121-219-52-30unknown———
└ 144.121.219.56/298LTF-0-144-121-219-56-29unknown———
└ 144.121.219.64/304NET-CCF---144-121-219-64-30unknown———
└ 144.121.219.68/304NET-CCF--0-144-121-219-68-30unknown———
└ 144.121.219.72/298LTF--144-121-219-72-29unknown———
└ 144.121.219.80/298LTF-144-121-219-80-29unknown———
└ 144.121.219.88/298LTF--144-121-219-88-29unknown———
└ 144.121.219.96/2732NET-CCF--0-144-121-219-96-27unknown———
└ 144.121.219.128/2732LTF-144-121-219-128-27unknown———
└ 144.121.219.160/304NET-CCF--0-144-121-219-160-30unknown———
└ 144.121.219.164/304NET-CCF--0-144-121-219-164-30unknown———
└ 144.121.219.176/298NET-CCF---144-121-219-176-29unknown———
└ 144.121.219.184/298LTF--144-121-219-184-29unknown———
└ 144.121.219.192/298NET-CCF---144-121-219-192-29unknown———
└ 144.121.219.200/304NET-Z-CCF--144-121-219-200-30unknown———
└ 144.121.219.208/298LTF-144-121-219-208-29unknown———
└ 144.121.219.216/298LTF--144-121-219-216-29unknown———
└ 144.121.219.224/2732LTF--144-121-219-224-27unknown———

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 144.121.216.0/22

Prefix
144.121.216.0/22
Announced by
AS46887 Crown Castle Fiber LLC
Type
Internet provider
Proxy exits
3
Always-on exits
1
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