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Data as of Nov 9, 2026

216.57.144.0/24

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
Residential
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
216.57.128.0/19
since Nov 2021
AS46887Internet provider27
5 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
216.57.128.0/198,192ZAYO-CCF-216-57-128-0Zayo Bandwidth (ZAYOB) · USDirect AllocationJun 7, 2000abuse@zayo.com
└ 216.57.144.0/298NET-LT-048-216-57-144-0-29unknown———
└ 216.57.144.8/298NET-LT-048-216-57-144-8-29unknown———
└ 216.57.144.16/298NET-CCF---216-57-144-16-29unknown———
└ 216.57.144.24/298NET-CCF---216-57-144-24-29unknown———
└ 216.57.144.32/304NET-CCF---216-57-144-32-30unknown———
└ 216.57.144.36/304NET-CCF---216-57-144-36-30unknown———
└ 216.57.144.40/304NET-CCF---216-57-144-40-30unknown———
└ 216.57.144.44/304NET-CCF--0-216-57-144-44-30unknown———
└ 216.57.144.48/304NET-CCF--0-216-57-144-48-30unknown———
└ 216.57.144.52/304NET-CCF--0-216-57-144-52-30unknown———
└ 216.57.144.56/298NET-CCF--0-216-57-144-56-29unknown———
└ 216.57.144.64/298NET-CCF---216-57-144-64-29unknown———
└ 216.57.144.72/304NET-CCF--0-216-57-144-72-30unknown———
└ 216.57.144.76/304NET-CCF--0-216-57-144-76-30unknown———
└ 216.57.144.80/304NET-CCF--0-216-57-144-80-30unknown———
└ 216.57.144.84/304NET-CCF--0-216-57-144-84-30unknown———
└ 216.57.144.88/298NET-CCF--0-216-57-144-88-29unknown———
└ 216.57.144.96/304NET-CCF--0-216-57-144-96-30unknown———
└ 216.57.144.100/304NET-CCF--0-216-57-144-100-30unknown———
└ 216.57.144.104/298NET-CCF--0-216-57-144-104-29unknown———
└ 216.57.144.112/304NET-CCF-0-216-57-144-112-30unknown———
└ 216.57.144.116/304NET-CCF--0-216-57-144-116-30unknown———
└ 216.57.144.120/304NET-CCF--0-216-57-144-120-30unknown———
└ 216.57.144.124/304NET-Z-CCF--216-57-144-124-30unknown———
└ 216.57.144.128/298NET-CCF-0-216-57-144-128-29unknown———
└ 216.57.144.144/304NET-Z-CCF--216-57-144-144-30unknown———
└ 216.57.144.152/298NET-Z-CCF--216-57-144-152-29unknown———
└ 216.57.144.160/298NET-Z-CCF--216-57-144-160-29unknown———
└ 216.57.144.168/298NET-Z-CCF--216-57-144-168-29unknown———

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