MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:25:A8:00:00:00 /24
Vendor address17 Building, Block #1,ABP. 188 Western South 4th Ring Road BeiJing CN 100070
Country🇨🇳 China
RegisteredMar 29, 2009
Block range00:25:A8:00:00:00– 00:25:A8:FF:FF:FF
Address capacity16,777,216
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
00:25:A7:00:00:00 /24
itron
Next
00:25:A9:00:00:00 /24
Shanghai Embedway Information Technologies Co.,Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Kontron (BeiJing) Technology Co.,Ltd holds 2 registered blocks in the IEEE registry, ranking #2,367 of 33,427 organizations by block count.
Other blocks registered to Kontron (BeiJing) Technology Co.,Ltd