IAB: an Individual Address Block, a /36 covering 4,096 addresses. IEEE's predecessor to MA-S; no longer issued, but existing assignments remain valid.
Prefix00:50:C2:3D:40:00 /36
Vendor address102/111-112 Moo-Ban Sinpattanathanee Jatujak Bangkok TH 10900
Country🇹🇠Thailand
RegisteredJul 30, 2008
Block range00:50:C2:3D:40:00– 00:50:C2:3D:4F:FF
Address capacity4,096
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
- Jul 30, 2008 – Feb 10, 2021 Wisnu and Supak Co.Ltd. name changed
- Feb 10, 2021 – present Wisnu and Supak Co.,Ltd.
Example addresses in this block
Where this block sits
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00:50:C2:3D:30:00 /36
American LED-gible Inc.
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00:50:C2:3D:50:00 /36
Fluke Biomedical, Radiation Management Services
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Wisnu and Supak Co.,Ltd. holds 2 registered blocks in the IEEE registry, ranking #3,428 of 33,421 organizations by block count.
Other blocks registered to Wisnu and Supak Co.,Ltd.