MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix98:B1:77:00:00:00 /24
Vendor address78th km Old National Road Athens-Corinth Corinth GR 20100
Country🇬🇷 Greece
RegisteredApr 23, 2021
Block range98:B1:77:00:00:00– 98:B1:77: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 23, 2021 – Jun 21, 2026 LANDIS + GYR name changed
- Jun 21, 2026 – Aug 11, 2026 Landis+Gyr S.A. name changed
- Aug 11, 2026 – present EYKON Solutions S.A.
Example addresses in this block
Where this block sits
EYKON Solutions S.A. holds 3 registered blocks in the IEEE registry, ranking #1,038 of 33,421 organizations by block count.
Other blocks registered to EYKON Solutions S.A.