Data as of Nov 6, 2026

172.85.53.0/24

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
172.85.32.0/19
since May 2015
AS46887Internet provider4Zayo 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
172.85.32.0/198,192ZAYO-CCF-172-85-32-0Zayo Bandwidth (ZAYOB) · USDirect AllocationMay 18, 2015abuse@zayo.com
└ 172.85.53.0/2664NET-172-85-53-0-26unknown———
└ 172.85.53.112/2816NET-172-85-53-112-28unknown———
└ 172.85.53.128/2664NET-172-85-53-128-26unknown———
└ 172.85.53.192/2816NET-172-85-53-192-28unknown———
└ 172.85.53.220/304LTF-172-85-53-220-30unknown———
└ 172.85.53.224/2732NET-172-85-53-224-27unknown———

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