Data as of Nov 8, 2026

104.129.88.0/24

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
Type
Internet provider
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
104.129.64.0/19
since Jun 2014
AS46887Internet provider5Zayo 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
104.129.64.0/198,192ZAYO-CCF-104-129-64-0Zayo Bandwidth (ZAYOB) · USDirect AllocationJun 3, 2014abuse@zayo.com
└ 104.129.88.0/2816LTF--104-129-88-0-28unknown———
└ 104.129.88.16/298LTF--104-129-88-16-29unknown———
└ 104.129.88.32/298LTF-0-104-129-88-32-29unknown———
└ 104.129.88.40/298NET-104-129-88-40-29unknown———
└ 104.129.88.96/2732NET-104-129-88-96-27unknown———
└ 104.129.88.144/298NET-104-129-88-144-29unknown———
└ 104.129.88.152/298NET-104-129-88-152-29unknown———
└ 104.129.88.176/298NET-104-129-88-176-29unknown———
└ 104.129.88.184/298NET-104-129-88-184-29unknown———
└ 104.129.88.200/298NET-104-129-88-200-29unknown———
└ 104.129.88.240/2816LTF-0-104-129-88-240-28unknown———

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