Shanghai Sigen New Energy Technology Co., Ltd MAC address blocks

The IEEE registry carries 4 blocks registered to Shanghai Sigen New Energy Technology Co., Ltd, together 4.2 million addresses, first observed 6 Apr 2023, most recently 25 Jun 2026.

Registered in CN.

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
0C:47:A9:9	MA-M	1 million	CN	7 Nov 2024
34:B5:F3:8	MA-M	1 million	CN	17 Jul 2025
50:19:11:A	MA-M	1 million	CN	25 Jun 2026
BC:31:98:D	MA-M	1 million	CN	6 Apr 2023

Every block registered to Shanghai Sigen New Energy Technology Co., Ltd 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.