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Data as of Nov 3, 2026

131.239.180.0/23

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
Internet provider
50% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
131.239.0.0/16
since Nov 2021
AS46887Internet provider185
27 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]
└ 131.239.180.0/298NET-CCF--131-239-180-0-29unknown———
└ 131.239.180.8/298NET-CCF--131-239-180-8-29unknown———
└ 131.239.180.40/298LTF--131-239-180-40-29unknown———
└ 131.239.180.52/304NET-Z-CCF--131-239-180-52-30unknown———
└ 131.239.180.56/298NET-Z-CCF--131-239-180-56-29unknown———
└ 131.239.180.64/2732LTF-0-131-239-180-64-27unknown———
└ 131.239.180.96/298LTF-0-131-239-180-96-29unknown———
└ 131.239.180.104/298LTF-0-131-239-180-104-29unknown———
└ 131.239.180.112/2816LTF-0-131-239-180-112-28unknown———
└ 131.239.180.136/298LTF-0-131-239-180-136-29unknown———
└ 131.239.180.152/298LTF--131-239-180-152-29unknown———
└ 131.239.180.160/298LTF--131-239-180-160-29unknown———
└ 131.239.180.172/304NET-Z-CCF--131-239-180-172-30unknown———
└ 131.239.180.176/298LTF--131-239-180-176-29unknown———
└ 131.239.180.184/298LTF--131-239-180-184-29unknown———
└ 131.239.181.0/298LTF--131-239-181-0-29unknown———
└ 131.239.181.8/298LTF-0-131-239-181-8-29unknown———
└ 131.239.181.24/298NET-CCF---131-239-181-24-29unknown———
└ 131.239.181.32/2816LTF-0-131-239-181-32-28unknown———
└ 131.239.181.48/298LTF-0-131-239-181-48-29unknown———
└ 131.239.181.60/304NET-CCF-ENTELEGENT-SOLUTIONS-INC-131-239-181-60-30unknown———
└ 131.239.181.64/2664LTF--131-239-181-64-26unknown———
└ 131.239.181.128/2732LTF--131-239-181-128-27unknown———
└ 131.239.181.160/298LTF-ENTELEGENT-SOLUTIONS-INC-131-239-181-160-29unknown———
└ 131.239.181.168/298LTF-0-131-239-181-168-29unknown———
└ 131.239.181.176/298LTF-0-131-239-181-176-29unknown———
└ 131.239.181.188/304NET-CCF---131-239-181-188-30unknown———
└ 131.239.181.192/2816NET-CCF--131-239-181-192-28unknown———
└ 131.239.181.208/298NET-CCF--131-239-181-208-29unknown———
└ 131.239.181.216/298NET-CCF--131-239-181-216-29unknown———
└ 131.239.181.224/298NET-CCF--0-131-239-181-224-29unknown———
└ 131.239.181.232/304NET-CCF--131-239-181-232-30unknown———
└ 131.239.181.240/298NET-CCF--131-239-181-240-29unknown———
└ 131.239.181.248/298LTF--131-239-181-248-29unknown———

Composition

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

Announced space

Address share

Announced space

Types across the prefix

512 addresses
TypeAddressesShareRanges
Internet provider25650%1
Residential25650%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