LAYER3 INTEL
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Data as of Nov 15, 2026

66.37.34.0/23

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
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
66.37.32.0/20
since Nov 2013
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
66.37.32.0/204,096ZAYO-CCF-66-37-32-0Zayo Bandwidth (ZAYOB) · USDirect AllocationOct 24, 2013abuse@zayo.com
└ 66.37.34.32/298LTF--66-37-34-32-29unknown———
└ 66.37.34.48/298LTF-LT-844-66-37-34-48-29unknown———
└ 66.37.34.56/298NET-66-37-34-56-29unknown———
└ 66.37.34.96/298LTF--66-37-34-96-29unknown———
└ 66.37.34.120/298NET-66-37-34-120-29unknown———
└ 66.37.34.128/2732NET-66-37-34-128-27unknown———
└ 66.37.34.160/298NET-LT-523-66-37-34-160-29unknown———
└ 66.37.34.248/298NET-SD-50149-66-37-34-248-29unknown———
└ 66.37.35.16/2816LTF--66-37-35-16-28unknown———
└ 66.37.35.96/2732LTF--66-37-35-96-27unknown———
└ 66.37.35.132/304LTF-LT-751-66-37-35-132-30unknown———
└ 66.37.35.192/2732LTF-66-37-35-192-27unknown———

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Nov 2021
Current origin since
Nov 2021 · 5.0 yr
Origin networks
1