Grandstream Networks, Inc.

Grandstream Networks, Inc. holds 3 OUI prefixes in the IEEE registry. Each prefix is the first three octets of a MAC address and covers a block of 16,777,216 addresses, so devices built by Grandstream Networks, Inc. draw from a pool of about 50,331,648 possible MAC addresses in total.

Registered address: 1297 Beacon Street Brookline MA US 02446

All 3 prefixes

• 00:0B:8200:0B:82:00:00:00 – 00:0B:82:FF:FF:FF
• 14:4C:FF14:4C:FF:00:00:00 – 14:4C:FF:FF:FF:FF
• C0:74:ADC0:74:AD:00:00:00 – C0:74:AD:FF:FF:FF

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