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Data as of Nov 9, 2026

173.243.144.0/21

No anonymizer space · no proxy exits in 30 days

Towerstream I, Inc.

Announcement
this exact prefix
No RPKI
Announced by
AS29930
Type
Residential
60% of it
Recent change
New origin Sep 2026
its first announcement on record

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
173.243.144.0/204,096TWRSTowerstream I, Inc. (TOWER-20) · USDirect AllocationJun 3, 2010abuse@towerstream.com
└ 173.243.144.16/298DEPENDABLE-DISTRIBUTION-CENTERunknown———
└ 173.243.144.24/298DYRDEK-ENTERPRISES-INCunknown———
└ 173.243.144.32/298LAX0004unknown———
└ 173.243.144.44/304TEXONE-USA-INCunknown———
└ 173.243.144.56/298BLUFOCUS-INCunknown———
└ 173.243.144.64/304JVS-GROUP-INCunknown———
└ 173.243.144.68/304APPAREL-VENTURESunknown———
└ 173.243.144.72/304UDT-DISTRIBUTION-CORPunknown———
└ 173.243.144.76/304MULTI-CORPORATE-PRODUCTIONSunknown———
└ 173.243.144.80/304ST-ELISABETH-ELEMENTARY-SCHOOLunknown———
└ 173.243.144.88/298GOLDEN-BRIDGE-NITE-MOONunknown———
└ 173.243.144.96/2732AUTHOR-SERVICES-INCunknown———
└ 173.243.144.128/298PIVOTALunknown———
└ 173.243.144.144/2816USTREAM-TV-INCunknown———
└ 173.243.144.192/298AQUENT-INCunknown———
└ 173.243.144.200/298ROCKSTAR-BEVERAGE-CORPunknown———
└ 173.243.144.208/298SOO-HOO-CUSTOMS-BROKERunknown———
└ 173.243.144.220/304TOTAL-BEAUTY-MEDIAunknown———
└ 173.243.145.0/25128CONSOLIDATED-SMART-SYSTEMSunknown———
└ 173.243.146.4/304VISUAL-NOMADunknown———
└ 173.243.146.92/304STILA-STYLESunknown———
└ 173.243.146.96/2732CHATEAU-MARMONT-LINK-2unknown———
└ 173.243.146.128/298MULTICULTURAL-RADIO-BROADCASTING-PASADENAunknown———
└ 173.243.146.136/298LOS-ANGELES-HIGH-TECH-HIGHunknown———
└ 173.243.146.160/2732MULTICULTURAL-RADIO-BROADCASTINGunknown———
└ 173.243.147.16/304DEUCE-ENTERTAINMENT-LLCunknown———
└ 173.243.147.20/304BO-PRINTINGunknown———
└ 173.243.147.24/298ELKAY-PLASTICS-CO-INCunknown———
└ 173.243.147.32/298CATHAY-BANCORP--INCunknown———
└ 173.243.147.40/304CATHAY-BANCORP--INCunknown———
└ 173.243.147.64/2664LAX0058unknown———
└ 173.243.147.128/298ALLIGATOR-LAUNDRY-INCORPORATED-14635-PARTHENIA-AVunknown———
└ 173.243.147.136/298ESPERANZA-RESORTunknown———
└ 173.243.147.144/2816ESPERANZA-RESORTunknown———
└ 173.243.147.208/304SOURCE-ABROADunknown———
└ 173.243.148.80/2816TRANSPACIFIC-INSURANCE-AGENCYunknown———
└ 173.243.148.116/304THIRD-ENCORE-STUDIOSunknown———
└ 173.243.149.16/2816THIRD-ENCORE-STUDIOSunknown———
└ 173.243.149.36/304BLOCK-ENTERTAINMENT-GROUPunknown———
└ 173.243.149.40/304LAX0001unknown———
└ 173.243.149.48/2816199-SOUTH-LOS-ROBLES-AVEunknown———
└ 173.243.149.64/2816CORE-SCIENCE-SOLUTIONS-LLCunknown———
└ 173.243.149.84/304GOLDEN-WEST-TRADINGunknown———
└ 173.243.149.88/298PIN-USA-INCunknown———
└ 173.243.149.136/304ADASIM-INCunknown———
└ 173.243.149.144/2816AJM-PRODUCTIONS-LLCunknown———
└ 173.243.149.192/298FOURTH-WALL-STUDIOSunknown———
└ 173.243.149.200/298UNISANunknown———
└ 173.243.149.208/2816JET-STREAM-SOUNDunknown———
└ 173.243.149.240/298ELITE-COLOR-TECHunknown———
└ 173.243.149.248/304NIC-INCunknown———
└ 173.243.150.32/304EROTIQUE-ENTERTAINMENTunknown———
└ 173.243.150.36/304THE-RIVIERA-COUNTRY-CLUBunknown———
└ 173.243.150.40/298JUMP-CREATIVE-5901-GREEN-VALLEY-CIR--LAXunknown———
└ 173.243.150.48/2816DENTALLAB-INCunknown———
└ 173.243.150.64/304COAST-PRODUCE-COMPANYunknown———
└ 173.243.150.72/298PACIFIC-COAST-NEWSunknown———
└ 173.243.150.80/2816EROTIQUE-ENTERTAINMENTunknown———
└ 173.243.150.96/2816CONWAY-RECORD-STUDIOunknown———
└ 173.243.150.120/304JAX-PACIFIC-WEST-INSURANCE-INCunknown———
└ 173.243.150.224/2732SWANNEY--MCDONALD-4833-EXPOSITION-BLVDLAXunknown———
└ 173.243.151.128/304OMEGA-MOULDINGunknown———
└ 173.243.151.192/2664INTERCONTINENTAL-LOS-ANGELESunknown———

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
Residential1,22460%30
Business82440%63

Network & registry

AnnouncementRouting historyWhois & abuse
Origin network

AS29930

US
Name
Towerstream I, Inc.
Type
Internet provider
Registered
Jun 11, 2003
Domain
towerstream.com
Industry
Computer and Information Technology
Spamhaus ASN-DROP
not listed