84:89:EC:C0:00:00 to 84:89:EC:CF:FF:FF

SHINKAWA LTD.

MA-MJapan1,048,576 addresses
Inspect this prefix

Registered address

Shinjuku Front Tower 32F, 2-21-1 Kitashinjyuku
Shinjuku-ku Tokyo 169-0074
Japan

Block details

Registry
MA-M, MAC Address Block Medium (OUI-28)
Prefix
84:89:EC:C /28
Addresses in block
1,048,576
Decimal range
145,727,917,391,872 to 145,727,918,440,447
Address type
Unicast, universally administered

What this block covers

A 28 bit block. Sixteen of these fit inside one 24 bit prefix, so the first three octets are shared with other registrants.

Any MAC address between 84:89:EC:C0:00:00 and 84:89:EC:CF:FF:FF belongs to this assignment. The registrant chooses the remaining 20 bits, so the same prefix can appear on very different products from the same company.

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