macadress

Cisco Meraki

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:18:0A:00:00:00 /24
Vendor address99 Rhode Island St. San Francisco, CA US 94103
Country🇺🇸  United States
RegisteredApr 21, 2006
Block range00:18:0A:00:00:00– 00:18:0A: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

  1. Apr 21, 2006 – Jun 23, 2009 Meraki Networks, Inc. name changedaddress changed
  2. Jun 23, 2009 – Jan 26, 2017 Meraki, Inc. name changed
  3. Jan 26, 2017 – present Cisco Meraki

Example addresses in this block

00:18:0A:00:00:00 00:18:0A:7F:FF:FF 00:18:0A:FF:FF:FF

Where this block sits

Previous 00:18:09:00:00:00 /24 CRESYN Next 00:18:0B:00:00:00 /24 Brilliant Telecommunications

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

Cisco Meraki holds 59 registered blocks in the IEEE registry, ranking #61 of 33,421 organizations by block count.

Other blocks registered to Cisco Meraki

00:84:1E:00:00:00 /24 MA-L 08:6A:0B:00:00:00 /24 MA-L 08:71:1C:00:00:00 /24 MA-L 08:F1:B3:00:00:00 /24 MA-L 0C:7B:C8:00:00:00 /24 MA-L 0C:8D:DB:00:00:00 /24 MA-L 14:9F:43:00:00:00 /24 MA-L 1C:E5:87:00:00:00 /24 MA-L 2C:3F:0B:00:00:00 /24 MA-L 30:3B:49:00:00:00 /24 MA-L 34:56:FE:00:00:00 /24 MA-L 38:84:79:00:00:00 /24 MA-L