MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix04:C3:E6:E0:00:00 /28
Vendor addressNo.13 Langshan Rd,HiTech Park,Nanshan District Shenzhen Guangdong CN 518000
Country🇨🇳 China
RegisteredApr 22, 2018
Block range04:C3:E6:E0:00:00– 04:C3:E6:EF: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 →
Ownership timeline
- Apr 22, 2018 – Feb 3, 2024 Teleepoch Ltd name changed
- Feb 3, 2024 – present Great Talent Technology Limited
Example addresses in this block
Where this block sits
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Great Talent Technology Limited holds 6 registered blocks in the IEEE registry, ranking #497 of 33,427 organizations by block count.
Other blocks registered to Great Talent Technology Limited