Shenzhen Four Seas Global Link Network Technology Co., Ltd. MAC address blocks

The IEEE registry carries 4 blocks registered to Shenzhen Four Seas Global Link Network Technology Co., Ltd., together 67.1 million addresses, first observed 6 Dec 2014, most recently 20 Jun 2025.

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
20:0D:B0	MA-L	16.8 million	CN	29 Nov 2018
40:A5:EF	MA-L	16.8 million	CN	6 Dec 2014
8C:3D:16	MA-L	16.8 million	CN	20 Jun 2025
E0:E1:A9	MA-L	16.8 million	CN	4 Sep 2020

Every block registered to Shenzhen Four Seas Global Link Network 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.