IMI Hydronic Engineering international SA

MA-L

MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.

Prefix00:23:86:00:00:00 /24

Vendor addressRoute de Crassier 19 Eysins CH 1262

RegisteredOct 8, 2008

Block range00:23:86:00:00:00– 00:23:86: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

Oct 8, 2008 – Aug 29, 2020 Tour & Andersson AB name changedaddress changedcountry changed
Aug 29, 2020 – present IMI Hydronic Engineering international SA

Example addresses in this block

00:23:86:00:00:00 00:23:86:7F:FF:FF 00:23:86:FF:FF:FF

Where this block sits

Previous 00:23:85:00:00:00 /24 ANTIPODE Next 00:23:87:00:00:00 /24 ThinkFlood, Inc.

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

IMI Hydronic Engineering international SA holds 1 registered blocks in the IEEE registry, ranking #15,777 of 33,427 organizations by block count.