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Data as of Nov 8, 2026

173.225.48.0/24

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
98% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
173.225.48.0/22
since Nov 2021
AS46887Internet provider1Zayo Bandwidth
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
└ 173.225.48.0/2664MOODY-NATIONAL-CY-HOMESTEAD-WATERFRONT-PA-LLCunknown———
└ 173.225.48.64/298PULSENET-INCunknown———
└ 173.225.48.72/298UNIVERSITY-OF-PITTSBURGHunknown———
└ 173.225.48.80/298SCALLEYS-GOLF-CENTERunknown———
└ 173.225.48.92/304MATTHEWS-INTERNATIONAL-CORPORATIONunknown———
└ 173.225.48.96/2732LANTEKunknown———
└ 173.225.48.128/2732DRS-LLCunknown———
└ 173.225.48.160/298FOUNDATION-RADIOLOGY-GROUPunknown———
└ 173.225.48.168/298COMMUNITY-COLLEGE-OF-ALLEGHENY-COUNTYunknown———
└ 173.225.48.176/298FIBERTECH-NETWORKSunknown———
└ 173.225.48.184/298DOUGLAS-LABORATORIESunknown———
└ 173.225.48.192/2664IDEAL-INTEGRATIONSunknown———

Composition

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

Announced space

Address share

Announced space

Types across the prefix

256 addresses
TypeAddressesShareRanges
Business25298%12
Internet provider41.6%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