OUI Lookup
ec21e5
Toshiba
Manufacturer Information
- OUI Prefix
- ec21e5
- Manufacturer
- Toshiba
- Address
- 2-9,Suehiro-Cho Ome Tokyo JP 1988710
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 12
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix EC21E5
The OUI prefix EC21E5 is assigned to Toshiba, based in 2-9,Suehiro-Cho Ome Tokyo JP 1988710 . It is a MA-L type block of 24 bits (first three octets). Allows up to 16 million unique MAC addresses. If you find this prefix on your network, the devices belong to Toshiba.
Other prefixes from Toshiba
c83a1bToshiba TEC Corporation Inc0015b7Toshibae89d87Toshiba78d6b2Toshiba986dc8TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATIONf4645dToshiba00080dToshiba000e7bToshibae8e0b7Toshiba887384Toshiba20b780Toshiba Visual Solutions Corporation Co.,Ltd242ffaToshiba Global Commerce Solutionsfc0012Toshiba Samsung Storage Technolgoy Korea Corporation ec2125Toshiba Corp.6845f1TOSHIBA CLIENT SOLUTIONS CO., LTD.c0f945Toshiba Toko Meter Systems Co., LTD.001c7eToshiba002318Toshibab86b23Toshiba000039TOSHIBA CORPORATION005fbfToshiba Corp.28ffb2Toshiba Corp.e83a97Toshiba Corporation000600Toshiba Teli Corporation