MAC Address Lookup

 MAC

YUYAMA MFG Co.,Ltd

Unique prefixes: 20

Block Size: 81900 (81.9 k)

www.yuyama.co.jp

First registration: 21 February 2011

Last updated: 24 July 2020

Types

IAB: Individual Address Blocks. Number of address 2^24 (~16 Million)

MA-S: Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)

MAC PrefixTypeRegistration Date
70:B3:D5:B6:AMA-S2017-03-08
00:50:C2:A2:EIAB2011-02-21
70:B3:D5:9C:7MA-S2016-10-11
70:B3:D5:BB:BMA-S2019-06-22
70:B3:D5:BD:4MA-S2019-02-12
70:B3:D5:15:0MA-S2018-12-28
70:B3:D5:C2:BMA-S2019-12-31
70:B3:D5:B2:2MA-S2020-07-24
70:B3:D5:D0:6MA-S2020-06-07
70:B3:D5:74:2MA-S2016-02-18
00:50:C2:39:BIAB2011-02-21
70:B3:D5:CB:AMA-S2018-10-24
00:50:C2:EE:CIAB2011-12-14
70:B3:D5:1F:2MA-S2019-12-24
70:B3:D5:DB:4MA-S2016-02-18
70:B3:D5:2D:EMA-S2018-10-24
70:B3:D5:85:FMA-S2018-06-14
70:B3:D5:E8:6MA-S2017-10-28
40:D8:55:0F:FIAB2013-06-03
70:B3:D5:5C:8MA-S2014-11-04