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MAC prefix A4:1B:34

Assigned by the IEEE to China Mobile Group Device Co.,Ltd..

Prefix
A4:1B:34   A4-1B-34   A41B.34
Block type
MA-L (16,777,216 addresses)
Address range
A4:1B:34:00:00:00 – A4:1B:34:FF:FF:FF
Organization
China Mobile Group Device Co.,Ltd.
Registered address
32 Xuanwumen West Street,Xicheng District, Beijing 100053, CN
Country
China (CN)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up A4:1B:34:00:00:00

China Mobile Group Device Co.,Ltd. holds 62 blocks in total: see all. Source: IEEE Registration Authority public listing.