MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:1C:20:00:00:00 /24
Vendor addressRamgatseweg 17 Raamsdonksveer NBR NL 4941 VN
Country🇻🇳 Vietnam
RegisteredApr 8, 2007
Block range00:1C:20:00:00:00– 00:1C:20: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 →
Example addresses in this block
Where this block sits
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00:1C:1F:00:00:00 /24
Quest Retail Technology Pty Ltd
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00:1C:21:00:00:00 /24
Nucsafe Inc.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
CLB Benelux holds 1 registered blocks in the IEEE registry, ranking #8,559 of 33,421 organizations by block count.