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Data as of Nov 6, 2026

64.20.188.0/22

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
64.20.176.0/20
since Oct 2006
AS27506Internet provider3Zayo Bandwidth
64.20.160.0/19
since Oct 2006
AS27506Internet provider9Zayo 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
64.20.160.0/198,192ZAYO-CCF-64-20-160-0Zayo Bandwidth (ZAYOB) · USDirect AllocationApr 20, 2005abuse@zayo.com
└ 64.20.188.0/304NET-CCF-0-64-20-188-0-30unknown———
└ 64.20.188.4/304NET-CCF-0-64-20-188-4-30unknown———
└ 64.20.188.8/298NET-CCF-0-64-20-188-8-29unknown———
└ 64.20.188.16/298NET-CCF-0-64-20-188-16-29unknown———
└ 64.20.188.24/298NET-CCF--64-20-188-24-29unknown———
└ 64.20.188.32/298NET-CCF-0-64-20-188-32-29unknown———
└ 64.20.188.40/298NET-CCF--64-20-188-40-29unknown———
└ 64.20.188.48/2816NET-CCF--64-20-188-48-28unknown———
└ 64.20.188.64/298NET-CCF--64-20-188-64-29unknown———
└ 64.20.188.72/298NET-CCF-0-64-20-188-72-29unknown———
└ 64.20.188.80/298NET-CCF-0-64-20-188-80-29unknown———
└ 64.20.188.88/298NET-CCF-0-64-20-188-88-29unknown———
└ 64.20.188.96/304NET-CCF--64-20-188-96-30unknown———
└ 64.20.188.100/304NET-CCF-0-64-20-188-100-30unknown———
└ 64.20.188.104/298NET-CCF--64-20-188-104-29unknown———
└ 64.20.188.112/298NET-CCF--64-20-188-112-29unknown———
└ 64.20.188.120/298NET-CCF-0-64-20-188-120-29unknown———
└ 64.20.188.128/298NET-CCF-0-64-20-188-128-29unknown———
└ 64.20.188.136/298NET-CCF--64-20-188-136-29unknown———
└ 64.20.188.144/298NET-CCF-0-64-20-188-144-29unknown———
└ 64.20.188.152/304NET-CCF-0-64-20-188-152-30unknown———
└ 64.20.188.156/304NET-CCF-0-64-20-188-156-30unknown———
└ 64.20.188.160/2732NET-CCF-0-64-20-188-160-27unknown———
└ 64.20.188.192/298NET-CCF--64-20-188-192-29unknown———
└ 64.20.188.200/304NET-CCF-0-64-20-188-200-30unknown———
└ 64.20.188.204/304NET-CCF-0-64-20-188-204-30unknown———
└ 64.20.188.208/298NET-CCF-0-64-20-188-208-29unknown———
└ 64.20.188.216/298NET-CCF-0-64-20-188-216-29unknown———
└ 64.20.188.224/304NET-CCF-0-64-20-188-224-30unknown———
└ 64.20.188.228/304NET-CCF--64-20-188-228-30unknown———
└ 64.20.188.232/298NET-CCF-0-64-20-188-232-29unknown———
└ 64.20.188.240/304NET-CCF-LT-614-64-20-188-240-30unknown———
└ 64.20.188.244/304NET-CCF-0-64-20-188-244-30unknown———
└ 64.20.188.248/298NET-CCF-LT-614-64-20-188-248-29unknown———
└ 64.20.189.0/2732NET-CCF-0-64-20-189-0-27unknown———
└ 64.20.189.32/298NET-CCF-SD-50644-64-20-189-32-29unknown———
└ 64.20.189.40/304NET-CCF-0-64-20-189-40-30unknown———
└ 64.20.189.44/304NET-CCF--64-20-189-44-30unknown———
└ 64.20.189.64/298NET-CCF-0-64-20-189-64-29unknown———
└ 64.20.189.72/298NET-CCF-LT-614-64-20-189-72-29unknown———
└ 64.20.189.80/298NET-CCF-0-64-20-189-80-29unknown———
└ 64.20.189.88/298NET-CCF--64-20-189-88-29unknown———
└ 64.20.189.96/298NET-CCF-0-64-20-189-96-29unknown———
└ 64.20.189.104/298NET-CCF-0-64-20-189-104-29unknown———
└ 64.20.189.112/298NET-CCF-LT-747-64-20-189-112-29unknown———
└ 64.20.189.120/298NET-CCF-0-64-20-189-120-29unknown———
└ 64.20.189.128/298NET-CCF-0-64-20-189-128-29unknown———
└ 64.20.189.136/298NET-CCF--64-20-189-136-29unknown———
└ 64.20.189.144/298NET-CCF-0-64-20-189-144-29unknown———
└ 64.20.189.152/304NET-CCF-0-64-20-189-152-30unknown———
└ 64.20.189.156/304NET-CCF-LT-614-64-20-189-156-30unknown———
└ 64.20.189.160/2732NET-CCF-0-64-20-189-160-27unknown———
└ 64.20.189.192/298NET-CCF-0-64-20-189-192-29unknown———
└ 64.20.189.200/304NET-CCF--64-20-189-200-30unknown———
└ 64.20.189.204/304NET-CCF--64-20-189-204-30unknown———
└ 64.20.189.208/298NET-CCF--64-20-189-208-29unknown———
└ 64.20.189.216/298NET-CCF-0-64-20-189-216-29unknown———
└ 64.20.189.224/2732NET-CCF--64-20-189-224-27unknown———
└ 64.20.190.0/2664NET-SD-64-20-190-0-26unknown———
└ 64.20.190.64/298NET-CCF--64-20-190-64-29unknown———
└ 64.20.190.72/304NET-CCF--64-20-190-72-30unknown———
└ 64.20.190.76/304NET-CCF--64-20-190-76-30unknown———
└ 64.20.190.80/304NET-CCF---64-20-190-80-30unknown———
└ 64.20.190.84/304NET-CCF---64-20-190-84-30unknown———
└ 64.20.190.88/298NET-CCF---64-20-190-88-29unknown———
└ 64.20.190.96/298NET-CCF---64-20-190-96-29unknown———
└ 64.20.190.104/298NET-CCF---64-20-190-104-29unknown———
└ 64.20.190.112/304NET-CCF-LT-614-64-20-190-112-30unknown———
└ 64.20.190.116/304NET-Z-CCF--64-20-190-116-30unknown———
└ 64.20.190.120/298NET-CCF--64-20-190-120-29unknown———
└ 64.20.190.128/2816NET-CCF--64-20-190-128-28unknown———
└ 64.20.190.144/304NET-CCF---64-20-190-144-30unknown———
└ 64.20.190.148/304NET-CCF--64-20-190-148-30unknown———
└ 64.20.190.152/298NET-CCF---64-20-190-152-29unknown———
└ 64.20.190.160/298NET-CCF--64-20-190-160-29unknown———
└ 64.20.190.168/304NET-CCF--0-64-20-190-168-30unknown———
└ 64.20.190.172/304NET-CCF--64-20-190-172-30unknown———
└ 64.20.190.176/298NET-CCF--0-64-20-190-176-29unknown———
└ 64.20.190.184/298NET-Z-CCF--64-20-190-184-29unknown———
└ 64.20.190.192/298NET-CCF--64-20-190-192-29unknown———
└ 64.20.190.200/298NET-CCF--64-20-190-200-29unknown———
└ 64.20.190.208/304NET-CCF-0-64-20-190-208-30unknown———
└ 64.20.190.212/304NET-CCF-0-64-20-190-212-30unknown———
└ 64.20.190.216/298NET-CCF--CV133802-REGENCY-CENTERS-64-20-190-216-29unknown———
└ 64.20.190.224/298NET-CCF---64-20-190-224-29unknown———
└ 64.20.190.232/304NET-CCF--64-20-190-232-30unknown———
└ 64.20.190.236/304NET-CCF--0-64-20-190-236-30unknown———
└ 64.20.190.240/298NET-CCF--64-20-190-240-29unknown———
└ 64.20.190.248/298NET-CCF--64-20-190-248-29unknown———
└ 64.20.191.0/298NET-CCF---64-20-191-0-29unknown———
└ 64.20.191.8/298NET-CCF---64-20-191-8-29unknown———
└ 64.20.191.16/2816NET-CCF---64-20-191-16-28unknown———
└ 64.20.191.32/298NET-CCF---64-20-191-32-29unknown———
└ 64.20.191.40/298NET-SD-64-20-191-40-29unknown———
└ 64.20.191.48/2816NET-CCF--64-20-191-48-28unknown———
└ 64.20.191.64/304NET-CCF---64-20-191-64-30unknown———
└ 64.20.191.68/304NET-CCF--SD-50946-64-20-191-68-30unknown———
└ 64.20.191.72/304NET-CCF--0-64-20-191-72-30unknown———
└ 64.20.191.76/304NET-CCF-LT-747-64-20-191-76-30unknown———
└ 64.20.191.80/298NET-CCF---64-20-191-80-29unknown———
└ 64.20.191.88/298NET-CCF-0-64-20-191-88-29unknown———
└ 64.20.191.96/298NET-CCF-SD-50946-64-20-191-96-29unknown———
└ 64.20.191.104/298NET-CCF--SD-50946-64-20-191-104-29unknown———
└ 64.20.191.112/304NET-CCF-SD-50946-64-20-191-112-30unknown———
└ 64.20.191.116/304NET-CCF-SD-50946-64-20-191-116-30unknown———
└ 64.20.191.120/298NET-CCF---64-20-191-120-29unknown———
└ 64.20.191.128/2732NET-CCF--64-20-191-128-27unknown———
└ 64.20.191.160/2732NET-CCF--64-20-191-160-27unknown———
└ 64.20.191.192/298NET-CCF--64-20-191-192-29unknown———
└ 64.20.191.200/298NET-CCF-0-64-20-191-200-29unknown———
└ 64.20.191.208/298NET-CCF--64-20-191-208-29unknown———
└ 64.20.191.216/298NET-CCF--64-20-191-216-29unknown———
└ 64.20.191.224/298NET-CCF--64-20-191-224-29unknown———
└ 64.20.191.232/298NET-CCF--64-20-191-232-29unknown———
└ 64.20.191.240/298NET-CCF--64-20-191-240-29unknown———
└ 64.20.191.248/298NET-CCF--64-20-191-248-29unknown———

Network & registry

AnnouncementRouting historyWhois & 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