MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix18:C0:86:00:00:00 /24
Vendor address5300 California Avenue Irvine CA US 92617
Country🇺🇸 United States
RegisteredDec 23, 2009
Block range18:C0:86:00:00:00– 18:C0:86: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
- Dec 23, 2009 – Nov 3, 2015 Broadcom Corporation name changedaddress changed
- Nov 3, 2015 – present Broadcom
Example addresses in this block
Where this block sits
Broadcom holds 9 registered blocks in the IEEE registry, ranking #334 of 33,427 organizations by block count.
Other blocks registered to Broadcom