MAC Address Lookup / All vendors / Grandstream Networks, Inc.
Grandstream Networks, Inc. MAC address blocks The IEEE registry carries 4 blocks registered to Grandstream Networks, Inc., together 67.1 million addresses, first observed 14 Oct 2002, most recently 13 Nov 2025.
Registered in US .
Grandstream Networks, Inc. allocations
Cumulative address space by first-observed date on a linear scale sized to this chart; hover for date and total.
67.1 million
50 million
20 million
1998
2026
2004
2010
2016
2022
Cumulative address space by first-observed date on a linear scale sized to this chart; hover for date and total.
Prefix
Block
Addresses
Country
First registered
00:0B:82 MA-L 16.8 million US 14 Oct 2002 14:4C:FF MA-L 16.8 million US 13 Nov 2025 C0:74:AD MA-L 16.8 million US 26 Jun 2018 EC:74:D7 MA-L 16.8 million US 28 Apr 2022
Every block registered to Grandstream Networks, Inc. in the IEEE registries, complete. Free-text search also matches former owners.
Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.