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Data as of Nov 9, 2026

104.247.54.0/23

No anonymizer space · no proxy exits in 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

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
104.247.32.0/19
since Apr 2015
AS46887Internet provider1Zayo 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
104.247.32.0/198,192ZAYO-CCF-104-247-32-0Zayo Bandwidth (ZAYOB) · USDirect AllocationDec 24, 2014abuse@zayo.com
└ 104.247.54.0/2816LTF--104-247-54-0-28unknown———
└ 104.247.54.32/298LTF--104-247-54-32-29unknown———
└ 104.247.54.40/298LTF--104-247-54-40-29unknown———
└ 104.247.54.48/298LTF--104-247-54-48-29unknown———
└ 104.247.54.96/298LTF--104-247-54-96-29unknown———
└ 104.247.54.104/298LTF--104-247-54-104-29unknown———
└ 104.247.54.112/2816NET-0-104-247-54-112-28unknown———
└ 104.247.54.128/25128LTF-0-104-247-54-128-25unknown———
└ 104.247.55.32/298LTF-0-104-247-55-32-29unknown———
└ 104.247.55.48/2816LTF-0-104-247-55-48-28unknown———
└ 104.247.55.64/2732NET-104-247-55-64-27unknown———
└ 104.247.55.112/2816NET-104-247-55-112-28unknown———
└ 104.247.55.128/2664LTF-104-247-55-128-26unknown———
└ 104.247.55.200/298NET-104-247-55-200-29unknown———
└ 104.247.55.208/298NET-104-247-55-208-29unknown———
└ 104.247.55.232/298NET-104-247-55-232-29unknown———

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