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Data as of Nov 3, 2026

151.181.64.0/22

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
Internet provider
90% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
151.181.64.0/19
since Dec 2018
AS46887Internet provider19
4 always on
Zayo Bandwidth
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
151.181.64.0/23
since Sep 2021
AS46887Internet providerZayo Bandwidth
151.181.66.0/23
since Sep 2021
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
151.181.32.0 - 151.181.95.25516,384ZAYO-CCF-151-181-32-0Zayo Bandwidth (ZAYOB) · USDirect AllocationDec 20, 2013[email protected]
└ 151.181.64.0/2816ABRASIVE-TECHNOLOGYunknown———
└ 151.181.64.16/304NAI-OHIO-EQUITIES-LLCunknown———
└ 151.181.64.20/304NEW-ALBANY-PLAIN-LOCAL-SCHOOLSunknown———
└ 151.181.64.24/312RIVERSIDE-RADIOLOGY-AND-INVENTIONAL-ASSOC-INCunknown———
└ 151.181.64.26/312INTERNATIONAL-ACADEMY-OF-COLUMBUSunknown———
└ 151.181.64.28/304TEAM-FISHEL-2unknown———
└ 151.181.64.32/2732NEW-ALBANY-PLAIN-LOCAL-SCHOOLunknown———
└ 151.181.64.64/298FIBERTECH-TURNUP-WOTNunknown———
└ 151.181.64.72/298LANE-ALTONunknown———
└ 151.181.64.80/2816RIVERSIDE-RADIOLOGY-AND-INVENTIONAL-ASSOC-INC-2unknown———
└ 151.181.64.96/312ONE-KREATEunknown———
└ 151.181.64.112/298MES-INC-2unknown———
└ 151.181.64.176/2816NET-151-181-64-176-28unknown———
└ 151.181.66.28/304NET-151-181-66-28-30unknown———
└ 151.181.66.48/2816NET-151-181-66-48-28unknown———
└ 151.181.66.96/2816NET-151-181-66-96-28unknown———
└ 151.181.66.168/298NET-151-181-66-168-29unknown———
└ 151.181.66.184/298NET-151-181-66-184-29unknown———
└ 151.181.67.0/2732NET-151-181-67-0-27unknown———
└ 151.181.67.96/2732NET-151-181-67-96-27unknown———

Composition

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

Announced space

Address share

Announced space

Types across the prefix

1,024 addresses
TypeAddressesShareRanges
Internet provider91890%3
Business10610%12

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