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Data as of Nov 8, 2026

107.181.20.0/22

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
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
107.181.16.0/20
since Feb 2014
AS46887Internet provider1Zayo 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
107.181.16.0/204,096ZAYO-CCF-107-181-16-0Zayo Bandwidth (ZAYOB) · USDirect AllocationFeb 4, 2014abuse@zayo.com
└ 107.181.20.0/2732NET-107-181-20-0-27unknown———
└ 107.181.20.32/2732LTF-0-107-181-20-32-27unknown———
└ 107.181.20.64/2816NET-107-181-20-64-28unknown———
└ 107.181.20.92/304NET-107-181-20-92-30unknown———
└ 107.181.20.96/2816NET-107-181-20-96-28unknown———
└ 107.181.20.112/2816NET-107-181-20-112-28unknown———
└ 107.181.20.136/298LTF-SD-51079-107-181-20-136-29unknown———
└ 107.181.20.144/298NET-LT-523-107-181-20-144-29unknown———
└ 107.181.20.152/298NET-107-181-20-152-29unknown———
└ 107.181.20.160/298LTF--107-181-20-160-29unknown———
└ 107.181.20.184/298NET-107-181-20-184-29unknown———
└ 107.181.20.192/2664NET-107-181-20-192-26unknown———
└ 107.181.21.16/298NET-107-181-21-16-29unknown———
└ 107.181.21.64/2732NET-107-181-21-64-27unknown———
└ 107.181.21.96/2732NET-SD-49308-107-181-21-96-27unknown———
└ 107.181.21.128/2816NET-107-181-21-128-28unknown———
└ 107.181.21.144/2816LTF-0-107-181-21-144-28unknown———
└ 107.181.21.240/2816NET-107-181-21-240-28unknown———
└ 107.181.22.0/2664NET-LT-371-107-181-22-0-26unknown———
└ 107.181.22.64/2732NET-107-181-22-64-27unknown———
└ 107.181.22.136/298NET-107-181-22-136-29unknown———
└ 107.181.22.144/298LTF-0-107-181-22-144-29unknown———
└ 107.181.22.232/298NET-107-181-22-232-29unknown———
└ 107.181.22.240/298NET-107-181-22-240-29unknown———
└ 107.181.22.248/298NET-107-181-22-248-29unknown———
└ 107.181.23.0/2664NET-107-181-23-0-26unknown———
└ 107.181.23.64/304NET-Z-CCF-107-181-23-64-30unknown———
└ 107.181.23.72/298LTF--107-181-23-72-29unknown———
└ 107.181.23.80/298LTF--107-181-23-80-29unknown———
└ 107.181.23.96/2732NET-107-181-23-96-27unknown———
└ 107.181.23.196/304LTF-0-107-181-23-196-30unknown———
└ 107.181.23.200/298LTF-0-107-181-23-200-29unknown———

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