MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix28:FB:D3:00:00:00 /24
Vendor addressD10/D11,No.3188, Xiupu Road, PuDong District, Shanghai Shanghai CN 201703
RegisteredAug 18, 2009
Block range28:FB:D3:00:00:00– 28:FB:D3: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.

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Ownership timeline

  1. Aug 18, 2009 – Apr 12, 2013 Shanghai RagenTek Communication Technology Co.,Ltd. name changedaddress changed
  2. Apr 12, 2013 – present Ragentek Technology Group

Example addresses in this block

Where this block sits

Ragentek Technology Group holds 3 registered blocks in the IEEE registry, ranking #1,248 of 33,427 organizations by block count.

Other blocks registered to Ragentek Technology Group