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Data as of Nov 3, 2026

131.239.172.0/23

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
Residential

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
131.239.0.0/16
since Nov 2021
AS46887Internet provider183
25 always on
Zayo 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
131.239.0.0/1665,536ZAYO-CCF-131-239-0-0Zayo Bandwidth (ZAYOB) · USDirect AllocationFeb 6, 1989[email protected]
└ 131.239.172.24/298LTF--131-239-172-24-29unknown———
└ 131.239.172.32/298LTF--131-239-172-32-29unknown———
└ 131.239.172.40/298LTF--131-239-172-40-29unknown———
└ 131.239.172.48/298NET-CCF---131-239-172-48-29unknown———
└ 131.239.172.56/298NET-CCF--131-239-172-56-29unknown———
└ 131.239.172.72/298LTF--131-239-172-72-29unknown———
└ 131.239.172.80/298LTF-0-131-239-172-80-29unknown———
└ 131.239.172.88/298LTF-0-131-239-172-88-29unknown———
└ 131.239.172.96/298NET-Z-CCF--131-239-172-96-29unknown———
└ 131.239.172.104/298NET-Z-CCF--131-239-172-104-29unknown———
└ 131.239.172.112/298LTF-0-131-239-172-112-29unknown———
└ 131.239.172.120/298LTF-0-131-239-172-120-29unknown———
└ 131.239.173.8/298LTF-0-131-239-173-8-29unknown———
└ 131.239.173.16/298NET-131-239-173-16-29unknown———
└ 131.239.173.32/298LTF--131-239-173-32-29unknown———
└ 131.239.173.40/298NET-CCF---131-239-173-40-29unknown———
└ 131.239.173.48/2816LTF-0-131-239-173-48-28unknown———
└ 131.239.173.64/298LTF-0-131-239-173-64-29unknown———
└ 131.239.173.72/298LTF--131-239-173-72-29unknown———
└ 131.239.173.96/298LTF--131-239-173-96-29unknown———
└ 131.239.173.120/298LTF-SD-50946-131-239-173-120-29unknown———
└ 131.239.173.128/298LTF-0-131-239-173-128-29unknown———
└ 131.239.173.136/298LTF-0-131-239-173-136-29unknown———
└ 131.239.173.152/298LTF-0-131-239-173-152-29unknown———
└ 131.239.173.160/298LTF--131-239-173-160-29unknown———
└ 131.239.173.176/2816LTF-SD-50946-131-239-173-176-28unknown———
└ 131.239.173.192/298LTF-0-131-239-173-192-29unknown———
└ 131.239.173.200/298LTF--131-239-173-200-29unknown———
└ 131.239.173.224/298LTF--131-239-173-224-29unknown———
└ 131.239.173.232/298LTF-0-131-239-173-232-29unknown———
└ 131.239.173.248/298LTF-0-131-239-173-248-29unknown———

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