macadress

Topway Global Technology Limited

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.
Prefix1C:59:74:80:00:00 /28
Vendor addressRoom 1003, 10 / F, Tower 1, Lippo Centre, 89 Queensway, Hong Kong Hong Kong Hong Kong HK 999077
Country🇭🇰  Hong Kong
RegisteredFeb 18, 2022
Block range1C:59:74:80:00:00– 1C:59:74:8F: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

1C:59:74:80:00:00 1C:59:74:87:FF:FF 1C:59:74:8F:FF:FF

Where this block sits

Previous 1C:59:74:70:00:00 /28 Lynxi Technologies Co.,Ltd. Next 1C:59:74:90:00:00 /28 Shanghai Laisi Information Technology Co.,Ltd

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

Topway Global Technology Limited holds 1 registered blocks in the IEEE registry, ranking #30,290 of 33,427 organizations by block count.