MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:1B:38:00:00:00 /24
Vendor addressNO. 25, THE 3RD AVENUE KUNSHAN CITY SUZHOU PROVINCE CN 215300
Country🇨🇳 China
RegisteredJan 26, 2007
Block range00:1B:38:00:00:00– 00:1B:38: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
- Jan 26, 2007 – Dec 31, 2007 COMPAL ELECTRONICS TECHNOLOGIC CO., LTD. name changed
- Dec 31, 2007 – present COMPAL INFORMATION (KUNSHAN) CO., LTD.
Example addresses in this block
Where this block sits
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
COMPAL INFORMATION (KUNSHAN) CO., LTD. holds 28 registered blocks in the IEEE registry, ranking #124 of 33,427 organizations by block count.
Other blocks registered to COMPAL INFORMATION (KUNSHAN) CO., LTD.
00:1E:EC:00:00:00 /24
MA-L
00:23:5A:00:00:00 /24
MA-L
00:26:22:00:00:00 /24
MA-L
08:8F:C3:00:00:00 /24
MA-L
08:97:98:00:00:00 /24
MA-L
1C:39:47:00:00:00 /24
MA-L
1C:75:08:00:00:00 /24
MA-L
20:1A:06:00:00:00 /24
MA-L
20:89:84:00:00:00 /24
MA-L
38:A7:46:00:00:00 /24
MA-L
40:C2:BA:00:00:00 /24
MA-L
70:5A:B6:00:00:00 /24
MA-L