worldcns inc. MAC address blocks

The IEEE registry carries 2 blocks registered to worldcns inc., together 17.8 million addresses, first observed 13 Feb 2020, most recently 7 Jan 2023.

Registered in KR.

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
DC:6B:12	MA-L	16.8 million	KR	13 Feb 2020
D0:16:F0:B	MA-M	1 million	KR	7 Jan 2023

Every block registered to worldcns 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.