AO acquired MAC address blocks

6 blocks now registered to AO came through 2 former-owner relationships.

MAC address or OUI prefix Look up

Current owner

AO

Former owners

2

Blocks

6

Addresses

101 million

Former owners: AO "NPK RoTeK" × 3 · ZAO "NPK Rotek" × 3

Prefix	Former owner	Block	Addresses	First observed
48:29:E4	AO "NPK RoTeK"	MA-L	16.8 million	9 Dec 2020
D8:AF:81	AO "NPK RoTeK"	MA-L	16.8 million	9 Apr 2019
DC:E3:05	AO "NPK RoTeK"	MA-L	16.8 million	28 Feb 2018
48:29:E4	ZAO "NPK Rotek"	MA-L	16.8 million	9 Dec 2020
D8:AF:81	ZAO "NPK Rotek"	MA-L	16.8 million	9 Apr 2019
DC:E3:05	ZAO "NPK Rotek"	MA-L	16.8 million	28 Feb 2018

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