MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:E7:F0:00 /36
Vendor address127 Tokimata Iida-shi Nagano-ken JP 399-2563
Country🇯🇵 Japan
RegisteredMar 11, 2020
Block range70:B3:D5:E7:F0:00– 70:B3:D5:E7:FF:FF
Address capacity4,096
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
70:B3:D5:E7:E0:00 /36
Groupe Citypassenger Inc
Next
70:B3:D5:E8:00:00 /36
Changzhou Rapid Information Technology Co,Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Sankyo Intec Co,ltd holds 2 registered blocks in the IEEE registry, ranking #2,896 of 33,421 organizations by block count.