macadress

Changzhou Asia Networks Information Technology Co., Ltd

MA-M
MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix0C:BF:B4:80:00:00 /28
Vendor addressROOM 908, NO.888 CHANGWU MID., RD. HUTANG, WUJIN CHANGZHOU JIANGSU CN 213161
Country🇨🇳  China
RegisteredOct 20, 2025
Block range0C:BF:B4:80:00:00– 0C:BF:B4:8F:FF:FF
Address capacity1,048,576
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 →

Example addresses in this block

0C:BF:B4:80:00:00 0C:BF:B4:87:FF:FF 0C:BF:B4:8F:FF:FF

Where this block sits

Previous 0C:BF:B4:70:00:00 /28 Odyssey Robot LLC Next 0C:BF:B4:90:00:00 /28 VirtualV Trading Limited

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

Changzhou Asia Networks Information Technology Co., Ltd holds 1 registered blocks in the IEEE registry, ranking #8,168 of 33,427 organizations by block count.