MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixB0:A3:7E:00:00:00 /24
Vendor addressNo.1,Haier Road,Qingdao 266101 P.R.China Qingdao Shandong CN 266101
Country🇨🇳 China
RegisteredMar 12, 2014
Block rangeB0:A3:7E:00:00:00– B0:A3:7E:FF:FF:FF
Address capacity16,777,216
AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority
TransmissionUnicast: addressed to a single device
SourceIEEE Registration Authority
Address capacity is the size of this registered block, not a count of devices actually manufactured or online. Registration identifies the organization holding the block, not a specific device model or unit.
Curious how a prefix like this turns into a full address? See how MAC addresses are structured →
Ownership timeline
- Mar 12, 2014 – Sep 1, 2015 Qingdao Haier Electronics Co.,Ltd name changed
- Sep 1, 2015 – Jan 6, 2018 Qingdao Haier Telecom Co.，Ltd name changedaddress changed
- Jan 6, 2018 – present QING DAO HAIER TELECOM CO.,LTD.
Example addresses in this block
Where this block sits
QING DAO HAIER TELECOM CO.,LTD. holds 4 registered blocks in the IEEE registry, ranking #800 of 33,427 organizations by block count.
Other blocks registered to QING DAO HAIER TELECOM CO.,LTD.