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Data as of Nov 3, 2026

131.239.8.0/22

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
Residential
75% 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]
└ 131.239.8.0/2732LTF--131-239-8-0-27unknown———
└ 131.239.8.32/298LTF--131-239-8-32-29unknown———
└ 131.239.8.40/304NET-CCF--0-131-239-8-40-30unknown———
└ 131.239.8.44/304NET-Z-CCF--131-239-8-44-30unknown———
└ 131.239.8.48/2816NET-0-131-239-8-48-28unknown———
└ 131.239.8.64/298NET-Z-CCF--131-239-8-64-29unknown———
└ 131.239.8.76/304NET-Z-CCF--131-239-8-76-30unknown———
└ 131.239.8.80/304NET-CCF--0-131-239-8-80-30unknown———
└ 131.239.8.88/298NET-CCF--0-131-239-8-88-29unknown———
└ 131.239.8.96/298NET-CCF---131-239-8-96-29unknown———
└ 131.239.8.104/298NET-CCF---131-239-8-104-29unknown———
└ 131.239.8.112/304NET-Z-CCF--131-239-8-112-30unknown———
└ 131.239.8.120/298NET-CCF---131-239-8-120-29unknown———
└ 131.239.8.128/25128NET-Z-CCF--131-239-8-128-25unknown———
└ 131.239.9.0/298NET-CCF---131-239-9-0-29unknown———
└ 131.239.9.16/298NET-CCF---131-239-9-16-29unknown———
└ 131.239.9.24/298NET-Z-CCF--131-239-9-24-29unknown———
└ 131.239.9.32/2816NET-Z-CCF--131-239-9-32-28unknown———
└ 131.239.9.48/298NET-CCF---131-239-9-48-29unknown———
└ 131.239.9.60/304NET-CCF--0-131-239-9-60-30unknown———
└ 131.239.9.64/2732NET-CCF---131-239-9-64-27unknown———
└ 131.239.9.116/304NET-CCF---131-239-9-116-30unknown———
└ 131.239.9.120/298NET-CCF---131-239-9-120-29unknown———
└ 131.239.9.128/2664NET-CCF---131-239-9-128-26unknown———
└ 131.239.9.192/2732NET-CCF---131-239-9-192-27unknown———
└ 131.239.9.232/298NET-CCF---131-239-9-232-29unknown———
└ 131.239.9.240/298NET-CCF---131-239-9-240-29unknown———
└ 131.239.9.248/304NET-CCF--131-239-9-248-30unknown———
└ 131.239.9.252/304NET-CCF--0-131-239-9-252-30unknown———
└ 131.239.10.0/298NET-CCF--0-131-239-10-0-29unknown———
└ 131.239.10.8/298NET-CCF---131-239-10-8-29unknown———
└ 131.239.10.32/304NET-CCF--131-239-10-32-30unknown———
└ 131.239.10.48/2816NET-CCF---131-239-10-48-28unknown———
└ 131.239.10.72/298NET-CCF---131-239-10-72-29unknown———
└ 131.239.10.84/304NET-CCF---131-239-10-84-30unknown———
└ 131.239.10.88/298NET-CCF---131-239-10-88-29unknown———
└ 131.239.10.96/2816NET-CCF--LT-551-131-239-10-96-28unknown———
└ 131.239.10.112/298NET-CCF--0-131-239-10-112-29unknown———
└ 131.239.10.120/304NET-Z-CCF--131-239-10-120-30unknown———
└ 131.239.10.128/298NET-CCF---131-239-10-128-29unknown———
└ 131.239.10.136/298NET-CCF--0-131-239-10-136-29unknown———
└ 131.239.10.144/304NET-CCF---131-239-10-144-30unknown———
└ 131.239.10.152/298NET-CCF---131-239-10-152-29unknown———
└ 131.239.10.160/2816NET-CCF---131-239-10-160-28unknown———
└ 131.239.10.176/298NET-CCF---131-239-10-176-29unknown———
└ 131.239.10.192/298NET-CCF---131-239-10-192-29unknown———
└ 131.239.10.200/298NET-CCF---131-239-10-200-29unknown———
└ 131.239.10.208/298NET-CCF---131-239-10-208-29unknown———
└ 131.239.10.216/298NET-CCF--0-131-239-10-216-29unknown———
└ 131.239.10.224/298NET-CCF--0-131-239-10-224-29unknown———
└ 131.239.10.240/298NET-CCF---131-239-10-240-29unknown———
└ 131.239.10.248/298NET-Z-CCF--131-239-10-248-29unknown———
└ 131.239.11.8/298NET-CCF---131-239-11-8-29unknown———
└ 131.239.11.16/298NET-CCF--0-131-239-11-16-29unknown———
└ 131.239.11.32/298NET-CCF---131-239-11-32-29unknown———
└ 131.239.11.40/298NET-CCF---131-239-11-40-29unknown———
└ 131.239.11.48/304NET-CCF---131-239-11-48-30unknown———
└ 131.239.11.52/304NET-CCF--0-131-239-11-52-30unknown———
└ 131.239.11.56/298NET-CCF---131-239-11-56-29unknown———
└ 131.239.11.64/2664NET-CCF---131-239-11-64-26unknown———
└ 131.239.11.128/298NET-CCF---131-239-11-128-29unknown———
└ 131.239.11.136/304NET-CCF---131-239-11-136-30unknown———
└ 131.239.11.144/2816NET-CCF---131-239-11-144-28unknown———
└ 131.239.11.164/304NET-Z-CCF--131-239-11-164-30unknown———
└ 131.239.11.168/298NET-CCF---131-239-11-168-29unknown———
└ 131.239.11.176/298NET-CCF---131-239-11-176-29unknown———
└ 131.239.11.184/298NET-CCF---131-239-11-184-29unknown———
└ 131.239.11.192/304NET-CCF--131-239-11-192-30unknown———
└ 131.239.11.200/298NET-CCF--131-239-11-200-29unknown———
└ 131.239.11.208/298NET-CCF---131-239-11-208-29unknown———
└ 131.239.11.216/304NET-CCF---131-239-11-216-30unknown———

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
Residential76875%3
Internet provider25625%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