00:21:BB MAC Address Lookup

Search MAC Address Vendor Database by entering an OUI or a MAC Address

Devices with MAC Addresses prefix that start with 00:21:BB are manufactured by Riken Keiki Co, Ltd. Estimated Network devices using 00:21:BB OUI prefix are 16,777,216.

OUI: 00:21:BB
MAC Address Range: 00:21:BB:00:00:00 - 00:21:BB:FF:FF:FF
Vendor Name: Riken Keiki Co, Ltd
Is Private: FALSE
is Registered: TRUE
Vendor Location: 2-7-6 Azusawa Itabashi-Ku Tokyo 174-8744 JP

Block Size: 16,777,216
Assignment Type: MA-L
Country Code: JP
Country Name: Japan
Registration Date: 25 October 2008
Update Date: 27 September 2015

Riken Keiki Co, Ltd Related MAC Addresses Prefixes

MAC Prefix	Vendor Address	Ranage Size	Registration Date
00:21:BB	2-7-6 Azusawa Itabashi-Ku Tokyo 174-8744 JP	MA-L	2008-10-25