I-O DATA, INC. MAC address blocks

The IEEE registry carries 3 blocks registered to I-O DATA, INC., together 50.3 million addresses, first observed 22 Apr 1998, most recently 29 Jan 2019.

Registered in JP · NA.

Its portfolio also includes blocks acquired from I-O DATA DEVICE, INC. × 3.

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:A0:B0	MA-L	16.8 million	NA	22 Apr 1998
34:76:C5	MA-L	16.8 million	JP	3 Apr 2012
50:41:B9	MA-L	16.8 million	JP	29 Jan 2019

Every block registered to I-O DATA, 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.