Data as of Nov 6, 2026

104.153.36.0/22

No anonymizer space · no proxy exits in 30 days

Grid4 Communications, Inc

Announcement
this exact prefix
No RPKI
Announced by
Type
Internet provider
>99% of it

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
104.153.36.0/221,024GRID4-COMMGrid4 Communications, Inc (GRID4) · USDirect AllocationJul 25, 2014bphelps@grid4.com
└ 104.153.36.192/304GRID4-CUSTOMERunknown———
└ 104.153.37.0/298GRID4-CUSTOMERunknown———
└ 104.153.37.8/298GRID4-CUSTOMERunknown———
└ 104.153.37.16/298GRID4-CUSTOMERunknown———
└ 104.153.37.24/298GRID4-CUSTOMERunknown———
└ 104.153.37.40/298CUSTOMERS-GRID4unknown———
└ 104.153.37.48/298GRID4-CUSTOMERSunknown———
└ 104.153.37.72/298GRID4-CUSTOMERunknown———
└ 104.153.37.112/298GRID4-CUSTOMERunknown———
└ 104.153.37.136/298GRID4-CUSTOMERunknown———
└ 104.153.37.168/298GRID4-CUSTOMERunknown———
└ 104.153.37.184/298GRID4-CUSTOMERunknown———
└ 104.153.37.200/298GRID4-CUSTOMERunknown———
└ 104.153.37.232/298GRID4-CUSTOMERunknown———
└ 104.153.39.0/298GRID4-CUSTOMERunknown———
└ 104.153.39.8/298GRID4-CUSTOMERSunknown———
└ 104.153.39.16/298GRID4-CUSTOMERunknown———
└ 104.153.39.24/298GRID4-CUSTOMERunknown———
└ 104.153.39.32/298GRID4-CUSTOMERunknown———
└ 104.153.39.48/298GRID4-CUSTOMERunknown———
└ 104.153.39.56/298GRID4-CUSTOMERunknown———
└ 104.153.39.64/298GRID4-CUSTOMERunknown———
└ 104.153.39.72/298GRID4-CUSTOMERunknown———
└ 104.153.39.80/298GRID4-CUSTOMERunknown———
└ 104.153.39.88/298GRID4-CUSTOMERunknown———
└ 104.153.39.112/298GOMPERS-CORNISH-BARRunknown———

Composition

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

Announced space

Address share

Announced space

Types across the prefix

1,024 addresses
TypeAddressesShareRanges
Internet provider1,016>99%2
Business80.78%1

Network & registry

Origin network

AS36394

US
Name
Grid4 Communications, Inc
Type
Internet provider
Registered
Dec 20, 2005
Domain
grid4.com
Website
www.grid4.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed