8C:1F:64:6A:B0:00 to 8C:1F:64:6A:BF:FF

Toho System Co., Ltd.

MA-SJapan4,096 addresses
Inspect this prefix

Registered address

1-34-10, Hoshidakita
Katano-shi Osaka 576-0017
Japan

Block details

Registry
MA-S, MAC Address Block Small (OUI-36)
Prefix
8C:1F:64:6A:B /36
Addresses in block
4,096
Decimal range
154,066,456,588,288 to 154,066,456,592,383
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 8C:1F:64:6A:B0:00 and 8C:1F:64:6A:BF: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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