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Data as of Nov 8, 2026

173.225.55.0/24

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
Business
50% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
173.225.48.0/20
since Oct 2025
AS46887Internet provider7Zayo 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
173.225.48.0/204,096ZAYO-CCF-173-225-48-0Zayo Bandwidth (ZAYOB) · USDirect AllocationJan 26, 2010abuse@zayo.com
└ 173.225.55.0/2732NET-173-225-55-0-27unknown———
└ 173.225.55.128/2816KISHMISHunknown———
└ 173.225.55.144/2816BEACON-FEDERALunknown———
└ 173.225.55.160/298C-SQUARED-SYSTEMSunknown———
└ 173.225.55.168/304C-SQUARED-SYSTEMSunknown———
└ 173.225.55.172/304SYRACUSE-CITY-SCHOOL-DISTRICTunknown———
└ 173.225.55.176/2816BOND-SCHONECK-AND-KINGunknown———
└ 173.225.55.192/2732BEACON-FEDERALunknown———
└ 173.225.55.224/304ARCADIS-US-INCunknown———
└ 173.225.55.228/304ELAUWIT-NETWORKS-LLCunknown———
└ 173.225.55.232/304ST-JOSEPH-HOSPITALunknown———
└ 173.225.55.236/304ONONDAGA-COMMUNITY-COLLEGEunknown———
└ 173.225.55.240/2816GREEN-AND-SEIFTER-ATTORNEY-PLLCunknown———

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

256 addresses
TypeAddressesShareRanges
Business12850%12
Internet provider12850%1

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