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Data as of Nov 9, 2026

209.164.156.0/23

No anonymizer space · no proxy exits in 30 days

Crown Castle Fiber LLC · space held by Level 3 Parent, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS46887
Type
Business
50% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
209.164.128.0/18
since May 2007
AS3356Internet provider8
3 always on
Level 3 Parent, LLC
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
209.164.156.0/24
since Jun 2025
AS46887UnknownLevel 3 Parent, LLC
via Fibertech Networks, LLC
209.164.157.0/24
since Feb 2019
AS46887UnknownLevel 3 Parent, LLC
via Fibertech Networks, LLC

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
209.164.128.0/1816,384LVLT-ORG-216-140Level 3 Parent, LLC (LPL-141) · USDirect AllocationDec 1, 1997abuse@level3.com
└ 209.164.156.0/23512LVLT-FNL-4-209-164-156Fibertech Networks, LLC (FNL-4) · USReallocatedOct 24, 2013abuse@zayo.com
└ 209.164.156.0/2732TOWN-OF-CLINTONunknown———
└ 209.164.156.32/2816TOWN-OF-CLINTONunknown———
└ 209.164.156.48/2816PLANNED-PARENTHOOD-PPSNEunknown———
└ 209.164.156.64/2816THE-JEWISH-HOME-FOR-THE-ELDERLYunknown———
└ 209.164.156.80/304GROVE-HILL-MEDICAL-CENTERunknown———
└ 209.164.156.84/304SPOT-ON-NETWORKSunknown———
└ 209.164.156.88/304SURVEY-SAMPLING-INTERNATIONAL-LLCunknown———
└ 209.164.156.92/304MILFORD-HOSPITALunknown———
└ 209.164.156.96/298TOTAL-MORTGAGEunknown———
└ 209.164.156.104/298TUDOR-INVESTMENT-CORPORATIONunknown———
└ 209.164.156.112/2816GASTROENTEROLOGY-CENTER-OF-CONNECTICUTunknown———
└ 209.164.156.128/25128AQUARION-WATER-COMPANYunknown———
└ 209.164.157.0/24256CITY-OF-HARTFORDCity Of Hartford (C05051872) · USReassignedMay 21, 2014abuse@zayo.com
via LVLT-FNL-4-209-164-156

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

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

Announced space

Address share

Announced space

Types across the prefix

512 addresses
TypeAddressesShareRanges
Business25650%12
Unknown25650%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Level 3 Parent, LLC
Handle
LPL-141
Range
209.164.128.0/18
Registration type
Direct Allocation
Record created
Dec 1, 1997
Legacy
yes
Reallocated to
Fibertech Networks, LLC (FNL-4)
Reallocated range
209.164.156.0/23
Reallocated
Oct 24, 2013
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