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Data as of Nov 5, 2026

199.27.240.0/21

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
AS33132
Type
Business
82% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
199.27.241.0/24
since Jul 2013
AS19658BusinessZayo Bandwidth
199.27.242.0/24
since Apr 2023
AS6931BusinessZayo 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
199.27.240.0/212,048ZAYO-CCF-199-27-240-0Zayo Bandwidth (ZAYOB) · USDirect AllocationSep 3, 2010abuse@zayo.com
└ 199.27.240.0/298FPLFI-AVOLONAERO-136707-1unknown———
└ 199.27.240.8/298FPLFI-GQGPARTNERS-136766-1unknown———
└ 199.27.240.16/298FPLFI-UNITYAUTOMOTIVE-136774-1unknown———
└ 199.27.240.24/298FPLFI-PALMETTOBREASTCNTR-136528-1unknown———
└ 199.27.240.32/298FPLFI-CTNETWORKH-DIA-137542-1unknown———
└ 199.27.240.40/298FPLFI-WILDSTEINB-DIA-137220-1unknown———
└ 199.27.240.48/298FPLFI-MINTOCOMMU-DIA-137103-1unknown———
└ 199.27.240.56/298FPLFI-BARTONGDES-DIA-91776-2unknown———
└ 199.27.240.64/298FPLFI-DIRECTPLUS-DIA-135069-1unknown———
└ 199.27.240.72/298FPLFI-ATSINVESTM-DIA-137527-1unknown———
└ 199.27.240.80/298FPLFI-METROSIGNS-DIA-137613-1unknown———
└ 199.27.240.88/298FPLFI-MODERNIZIN-DIA-134262-3unknown———
└ 199.27.240.104/298FPLFI-EXPEDITORS-DIA-137711-1unknown———
└ 199.27.240.112/298FPLFI-EXPEDITORS-DIA-137707-1unknown———
└ 199.27.240.120/298FPLFI-EXPEDITORS-DIA-137709-1unknown———
└ 199.27.240.128/298FPLFI-LIGHTOWERF-DIA-137724-1unknown———
└ 199.27.240.144/298FPLFI-RICHEMONTL-DIA-137690-1unknown———
└ 199.27.240.152/298FPLFI-LIGHTOWERF-DIA-137802-1unknown———
└ 199.27.240.160/298FPLFI-FORESTPARK-DIA-137832-1unknown———
└ 199.27.240.168/298FPLFI-LIGHTOWERF-DIA-138401-1unknown———
└ 199.27.240.176/298FPLFI-AIRCOMPRES-DIA-138288-1unknown———
└ 199.27.240.184/298FPLFI-ROGERSOBRI-DIA-136727-1unknown———
└ 199.27.240.192/298FPLFI-AECOMINC-DIA-138662-1unknown———
└ 199.27.240.200/298FPLFI-OFFICEEDGE-DIA-138658-1unknown———
└ 199.27.240.208/298FPLFI-OFFICEEDGE-DIA-138660-1unknown———
└ 199.27.240.216/298FPLFI-OFFICEEDGE-DIA-138655-1unknown———
└ 199.27.240.224/298FPLFI-TAMBOURINE-DIA-136822-1unknown———
└ 199.27.240.232/298FPLFI-LIGHTOWERF-DIA-136266-1unknown———
└ 199.27.240.240/298FPLFI-SUNCOASTBL-DIA-136845-1unknown———
└ 199.27.241.0/24256FPLFI-NRTHBROW-DIA-61981-1Broward Health (BROWA-15) · USReassignedDec 10, 2010—
└ 199.27.242.0/24256FPLFI-RINGLSAR-62212-1Ringling College of Art and Design (RCAD-1) · USReassignedFeb 7, 2011mpegah@ringling.edu
└ 199.27.243.0/2732FPLFI-BROWARDPRO-DIA-56519-1unknown———
└ 199.27.243.32/2816FPLFI-CITYMATTRE-DIA-113716-1unknown———
└ 199.27.243.48/2816FPLFI-TERRABANK-DIA-110492-1unknown———
└ 199.27.243.64/2732FPLFI-RIGHUMRS-DIA-58332-2unknown———
└ 199.27.243.96/2732FPLFI-TAPCANHB-DIA-63833-1unknown———
└ 199.27.243.128/2732FPLFI-HMSTVILG-DIA-58665-1unknown———
└ 199.27.243.168/298FPLFI-STANDARDLI-95049-1unknown———
└ 199.27.243.176/298FPLFI-TRIPPSCOTT-92615-1unknown———
└ 199.27.243.192/2816FPLFI-WERNERMEDI-DIA-118790-1unknown———
└ 199.27.243.224/298FPLFI-CTCORGAB-DIA-61682-1unknown———
└ 199.27.243.248/298FPLFI-METROWISPL-DIA-125332-1unknown———
└ 199.27.244.0/2732FPLFI-INTERACTME-93568-1unknown———
└ 199.27.244.48/298FPLFI-CASATUACUC-DIA-127938-1unknown———
└ 199.27.244.80/298FPLFI-LUMINAANAL-DIA-124016-1unknown———
└ 199.27.244.88/298FPLFI-INFORMASUP-94089-1unknown———
└ 199.27.244.96/298FPLFI-VEZASURBRE-134980-1unknown———
└ 199.27.244.128/298FPLFI-TAGGARTINT-DIA-123298-1unknown———
└ 199.27.244.136/298FPLFI-CALVINGLOR-DIA-123315-1unknown———
└ 199.27.244.160/298FPLFI-JAILAXMI-92464-1unknown———
└ 199.27.244.176/298FPLFI-ADRENALINE-89482-2unknown———
└ 199.27.244.184/298FPLFI-TKOAPPAREL-91989-1unknown———
└ 199.27.244.220/304NET-CCF--0-199-27-244-220-30unknown———
└ 199.27.244.232/298FPLFI-SKYWAYBROA-84490-2unknown———
└ 199.27.244.240/298FPLFI-INTEGRITYM-82635-1unknown———
└ 199.27.244.248/298FPLFI-BOIESSCHIL-91112-1unknown———
└ 199.27.245.0/2732FPLFI-AEPTELECOM-167716-1unknown———
└ 199.27.245.32/2732FPLFI-DCFCU-102079-1unknown———
└ 199.27.245.64/2732FPLFI-CITYOFDORA-114670-1unknown———
└ 199.27.245.144/298FPLFI-WATSCOINC-DIA-115921-1unknown———
└ 199.27.245.152/298FPLFI-SUNCITYPRO-DIA-115923-1unknown———
└ 199.27.245.160/2732FPLFI-199-27-245-160-27unknown———
└ 199.27.245.192/2732FPLFI-ARCHBISHOP-DIA-113146-1unknown———
└ 199.27.245.224/2816FPLFI-WHOLECARRI-DIA-133865-2unknown———
└ 199.27.245.240/2816FPLFI-BANKUNITED-DIA-137774-1unknown———
└ 199.27.246.0/2732FPLFI-RESINSARAS-DIA-135787-1unknown———
└ 199.27.246.36/304INTECH-INVESTMENTS-MANAGEMENT-LLC-199-27-246-36-30unknown———
└ 199.27.246.96/2732FPLFI-BANCOSANTINT-DIA-66484-1unknown———
└ 199.27.246.128/2732FPLFI-BANCOSANTINT-DIA-66486-2unknown———
└ 199.27.246.160/2732FPLFI-BANCOSANTINT-DIA-66488-3unknown———
└ 199.27.246.192/2732FPLFI-AMERICANREG-66583-1unknown———
└ 199.27.246.224/2816FPLFI-REGUSMGMT-110554-1unknown———
└ 199.27.246.240/2816FPLFI-BULLTICKFI-DIA-1287031unknown———
└ 199.27.247.0/2732FPLFI-CITYOFCORA-DIA-127735-1unknown———
└ 199.27.247.32/2732FPLFI-HMSTVILG-DIA-58666-7unknown———
└ 199.27.247.64/2732FPLFI-FLATLANTIC-86576-1unknown———
└ 199.27.247.96/2732FPLFI-GRADPLAST-DIA-61142-1unknown———
└ 199.27.247.128/2732FPLFI-MAXMARK-DIA-65551-1unknown———
└ 199.27.247.168/304NET-CCF--0-199-27-247-168-30unknown———
└ 199.27.247.192/2732FPLFI-RIGHUMRS-DIA-58334-4unknown———
└ 199.27.247.224/2732FPLFI-UNITEDTRANZ-65740-1unknown———

Composition

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

Announced space

Address share

Announced space

Types across the prefix

2,048 addresses
TypeAddressesShareRanges
Business1,67282%77
Internet provider37618%17

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS33132

US
Name
Crown Castle Fiber LLC
Type
Internet provider
Registered
Oct 7, 2004
Domain
zayo.com
Website
www.crowncastle.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed