MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:18:5C:00:00:00 /24
Vendor address20 Ayer Rajah Crescent Crescent SG 139964
Country🇸🇬 Singapore
RegisteredJun 13, 2006
Block range00:18:5C:00:00:00– 00:18:5C: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 13, 2006 – Jan 26, 2016 EDS Lab Pte Ltd name changedaddress changed
- Jan 26, 2016 – present EDSLAB Technologies
Example addresses in this block
Where this block sits
Previous
00:18:5B:00:00:00 /24
Network Chemistry, Inc
Next
00:18:5D:00:00:00 /24
TAIGUEN TECHNOLOGY (SHEN-ZHEN) CO., LTD.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
EDSLAB Technologies holds 1 registered blocks in the IEEE registry, ranking #11,255 of 33,427 organizations by block count.