MAC Address Lookup

Find the vendor name of a device by entering an OUI or a MAC address

 MAC

OCEAN OFFICE AUTOMATION LTD.

MAC prefix: 00:40:D8

Vendor name: OCEAN OFFICE AUTOMATION LTD.

MAC range: 00:40:D8:00:00:00 - 00:40:D8:FF:FF:FF

Block Size: 16777215 (16.77 M)

Address:

4TH & 5TH FLOOR
KADER BLDG.
HONG KONG
HK.

Type MA-L

Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)

Initial registration: 22 April 1998

Last updated: 17 November 2015

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