MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixF0:D7:AF:30:00:00 /28
Vendor addressRoom 9001, D Building, Kangjianbaosheng Plaza, No.8 Heiquan Road, Haidian District, Beijing bei jing CN 100085
Country🇨🇳 China
RegisteredApr 15, 2020
Block rangeF0:D7:AF:30:00:00– F0:D7:AF:3F: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
Previous
F0:D7:AF:20:00:00 /28
Blacknight Internet Solutions Limited
Next
F0:D7:AF:40:00:00 /28
ADAM Audio GmbH
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
720?bei jing?Health iTech Co.,Ltd holds 1 registered blocks in the IEEE registry, ranking #3,614 of 33,421 organizations by block count.