MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix5C:87:D8:40:00:00 /28
Vendor addressTELFI TECHNOLOGIES PRIVATE LIMITED1/301,2nd floor, Palkalai Nagar avenue, Palavakkam CHENNAI TAMILNADU IN 600041
Country🇮🇳 India
RegisteredApr 10, 2024
Block range5C:87:D8:40:00:00– 5C:87:D8:4F: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
Where this block sits
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5C:87:D8:30:00:00 /28
Shenzhen Beiens Import and Export Co.,Ltd
Next
5C:87:D8:50:00:00 /28
Hangzhou Advanced Intelligent Manufacturing Systems Co.,Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
TELFI TECHNOLOGIES PRIVATE LIMITED holds 2 registered blocks in the IEEE registry, ranking #3,238 of 33,427 organizations by block count.
Other blocks registered to TELFI TECHNOLOGIES PRIVATE LIMITED