MAC address blocks first observed in 1999

1999 produced 3 newly observed blocks covering 50.3 million addresses across 3 organizations.

MAC address or OUI prefix Look up

Blocks

3

Addresses

50.3 million

Organizations

3

Countries

2

Prefix	Organization	Registry	Country	Addresses
00:50:BA	D-Link Corporation	MA-L	Taiwan	16.8 million
00:80:50	ZIATECH CORPORATION	MA-L	United States	16.8 million
00:90:B1	Cisco Systems, Inc	MA-L	United States	16.8 million

Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.