Data as of Nov 9, 2026

104.247.40.0/23

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
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
└ 104.247.40.24/298LTF--104-247-40-24-29unknown———
└ 104.247.40.32/2732LTF--104-247-40-32-27unknown———
└ 104.247.40.64/2732NET-104-247-40-64-27unknown———
└ 104.247.40.128/2664NET-104-247-40-128-26unknown———
└ 104.247.40.200/298LTF--104-247-40-200-29unknown———
└ 104.247.40.208/298LTF--104-247-40-208-29unknown———
└ 104.247.41.16/2816NET-104-247-41-16-28unknown———
└ 104.247.41.128/25128NET-104-247-41-128-25unknown———

Network & registry

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