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Data as of Nov 7, 2026

97.107.172.0/23

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
97.107.160.0/20
since Dec 2018
AS46887Internet provider1Zayo Bandwidth
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
97.107.172.0/24
since Apr 2024
AS46887Internet providerZayo Bandwidth
97.107.173.0/24
since May 2019
AS46887Internet providerZayo 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
97.107.160.0/204,096ZAYO-CCF-97-107-160-0Zayo Bandwidth (ZAYOB) · USDirect AllocationDec 17, 2008abuse@zayo.com
└ 97.107.172.0/2732GAI-CONSULTANTS-INCunknown———
└ 97.107.172.40/304ASP-STATIONunknown———
└ 97.107.172.44/304KIDS-PLUS-PEDIATRICS-PCunknown———
└ 97.107.172.48/2816ARGENT-COMMERCIAL-MANAGEMENTunknown———
└ 97.107.172.64/2732EMERSON-PROCESS-MANAGEMENTunknown———
└ 97.107.172.96/298COMMUNITY-COLLEGE-OF-ALLEGHENY-COUNTYunknown———
└ 97.107.172.104/298COMMUNITY-COLLEGE-OF-ALLEGHENY-COUNTYunknown———
└ 97.107.172.112/2816HJ-HEINZ-II-FAMILY-TRUSTunknown———
└ 97.107.172.128/2664BAKERY-SQUARE-HOTELunknown———
└ 97.107.172.192/2664CONCORD-SIERRA-SETTLERS-ASSOC-LPunknown———
└ 97.107.173.0/2732TOWN-OF-STRATFORDunknown———
└ 97.107.173.32/304A-AND-E-TELEVISION-NETWORKunknown———
└ 97.107.173.40/298TRUMBULL-PRINTINGunknown———
└ 97.107.173.48/304MIDDLESEX-HOSPITALunknown———
└ 97.107.173.52/304TRUEVENTSunknown———
└ 97.107.173.56/298DANBURY-HOSPITALunknown———
└ 97.107.173.64/2664THE-DAY-PUBLISHING-COMPANYunknown———
└ 97.107.173.128/2732CUMULUS-BROADCASTINGunknown———
└ 97.107.173.160/2816PROMETHEUS-RESEARCHunknown———
└ 97.107.173.176/298TOTAL-MORTGAGEunknown———
└ 97.107.173.184/298PROMETHEUS-RESEARCHunknown———
└ 97.107.173.192/2664NORWICH-PUBLIC-UTILITIESunknown———

Composition

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

Announced space

Address share

Announced space

Types across the prefix

512 addresses
TypeAddressesShareRanges
Business50098%22
Internet provider122.3%2

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