MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:30:20:00:00:00 /24
Vendor address500 Cardigan Road Shoreview MN US 55126
Country🇺🇸 United States
RegisteredSep 8, 2000
Block range00:30:20:00:00:00– 00:30:20: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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00:30:1F:00:00:00 /24
OPTICAL NETWORKS, INC.
Next
00:30:21:00:00:00 /24
HSING TECH. ENTERPRISE CO.,LTD
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
TSI, Inc.. holds 1 registered blocks in the IEEE registry, ranking #30,621 of 33,427 organizations by block count.