MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:02:5D:00:00:00 /24
Vendor address1035 North McDowell Blvd. Petaluma CA US 94954
Country🇺🇸 United States
RegisteredOct 24, 2001
Block range00:02:5D:00:00:00– 00:02:5D: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
- Oct 24, 2001 – Jun 5, 2002 Calix Networks name changedaddress changedcountry changed
- Jun 5, 2002 – Oct 14, 2002 Private name changedaddress changedcountry changed
- Oct 14, 2002 – present Calix Networks
Example addresses in this block
Where this block sits
Previous
00:02:5C:00:00:00 /24
SCI Systems (Kunshan) Co., Ltd.
Next
00:02:5E:00:00:00 /24
High Technology Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Calix Networks holds 1 registered blocks in the IEEE registry, ranking #7,695 of 33,427 organizations by block count.