00:1B:C5:09:70:00 to 00:1B:C5:09:7F:FF

Plexstar Inc.

MA-SUnited States4,096 addresses
Inspect this prefix

Registered address

209 S H 121 Bypass, STE 35
Lewisville TX 75067
United States

Block details

Registry
MA-S, MAC Address Block Small (OUI-36)
Prefix
00:1B:C5:09:7 /36
Addresses in block
4,096
Decimal range
119,269,847,040 to 119,269,851,135
Address type
Unicast, universally administered

What this block covers

A 36 bit block, the smallest the IEEE sells. Suited to low volume products that will never ship 4096 units of anything.

Any MAC address between 00:1B:C5:09:70:00 and 00:1B:C5:09:7F:FF belongs to this assignment. The registrant chooses the remaining 12 bits, so the same prefix can appear on very different products from the same company.

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