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MAC prefix 38:38:4B

Assigned by the IEEE to vivo Mobile Communication Co., Ltd..

Prefix
38:38:4B   38-38-4B   3838.4B
Block type
MA-L (16,777,216 addresses)
Address range
38:38:4B:00:00:00 – 38:38:4B:FF:FF:FF
Organization
vivo Mobile Communication Co., Ltd.
Registered address
No.1, vivo Road, Chang'an, Dongguan Guangdong 523860, CN
Country
China (CN)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 38:38:4B:00:00:00

vivo Mobile Communication Co., Ltd. holds 128 blocks in total: see all. Source: IEEE Registration Authority public listing.