MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix38:8A:B7:00:00:00 /24
Vendor address3F Daiwa Shibaura Bldg Tokyo JP 105-0023
Country🇯🇵 Japan
RegisteredApr 14, 2012
Block range38:8A:B7:00:00:00– 38:8A:B7: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 →
Ownership timeline
- Apr 14, 2012 – Nov 29, 2012 Panasonic Telecom Co.,Ltd name changed
- Nov 29, 2012 – present ITC Networks
Example addresses in this block
Where this block sits
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
ITC Networks holds 1 registered blocks in the IEEE registry, ranking #16,824 of 33,427 organizations by block count.