MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix54:A5:4B:00:00:00 /24
Vendor addressOrdjonikidze 38 Novosibirsk RU 630099
Country🇷🇺 Russia
RegisteredJun 28, 2013
Block range54:A5:4B:00:00:00– 54:A5:4B: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
- Jun 28, 2013 – Jul 9, 2013 NSC Communiaction Siberia Ltd name changed
- Jul 9, 2013 – Jul 10, 2013 NSC Communiactions Siberia Ltd name changed
- Jul 10, 2013 – present NSC Communications Siberia Ltd
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.
NSC Communications Siberia Ltd holds 1 registered blocks in the IEEE registry, ranking #21,667 of 33,427 organizations by block count.