MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix40:F3:85:80:00:00 /28
Vendor addressNo.13 Langshan Rd,HiTech Park,Nanshan District Shenzhen Guangdong CN 518000
Country🇨🇳 China
RegisteredNov 13, 2016
Block range40:F3:85:80:00:00– 40:F3:85:8F: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 →
Ownership timeline
- Nov 13, 2016 – Feb 3, 2024 Teleepoch Ltd name changed
- Feb 3, 2024 – present Great Talent Technology Limited
Example addresses in this block
Where this block sits
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40:F3:85:70:00:00 /28
PALAZZETTI LELIO SPA
Next
40:F3:85:90:00:00 /28
Fast Precision Technologies Co. Ltd.
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