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Data as of Nov 8, 2026

144.121.168.144/29

No anonymizer space · no proxy exits in 30 days

Crown Castle Fiber LLC · space held by Zayo Bandwidth

Announcement
144.121.168.0/22
No RPKI
Announced by
AS46887
Type
Internet provider
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
1
13% of its addresses · listed by providers
Always-on exits
1
100% of its exits
Providers
20
selling exits here

Proxy providers listing exits

  • 711Proxy
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • DataImpulse
  • Decodo
  • Evomi
  • FlashProxy
  • FloppyData
  • Geonode
  • LemonBright
  • Oxylabs
  • ProxyEmpire
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • Thordata
  • ThunderProxy

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 provider131
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
└ 144.121.168.144/298NET-Z-CCF--144-121-168-144-29unknown———

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 144.121.168.0/22

Prefix
144.121.168.0/22
Announced by
AS46887 Crown Castle Fiber LLC
Type
Internet provider
Proxy exits
12
Always-on exits
4
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