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MAC prefix B4:C1:70

Assigned by the IEEE to Yi chip Microelectronics (Hangzhou) Co., Ltd.

Prefix
B4:C1:70   B4-C1-70   B4C1.70
Block type
MA-L (16,777,216 addresses)
Address range
B4:C1:70:00:00:00 – B4:C1:70:FF:FF:FF
Organization
Yi chip Microelectronics (Hangzhou) Co., Ltd
Registered address
Suite 401, Building #13, No. 498 Guoshoujing Rd., Pudong, Shanghai 201210, CN
Country
China (CN)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up B4:C1:70:00:00:00

Yi chip Microelectronics (Hangzhou) Co., Ltd holds 1 block in total: see all. Source: IEEE Registration Authority public listing.