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MAC prefix A8:EF:5F

Assigned by the IEEE to Realme Chongqing Mobile Telecommunications Corp.,Ltd..

Prefix
A8:EF:5F   A8-EF-5F   A8EF.5F
Block type
MA-L (16,777,216 addresses)
Address range
A8:EF:5F:00:00:00 – A8:EF:5F:FF:FF:FF
Organization
Realme Chongqing Mobile Telecommunications Corp.,Ltd.
Registered address
No.178 Yulong Avenue, Yufengshan, Yubei District, Chongqing., Chongqing China 401120, CN
Country
China (CN)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up A8:EF:5F:00:00:00

Realme Chongqing Mobile Telecommunications Corp.,Ltd. holds 38 blocks in total: see all. Source: IEEE Registration Authority public listing.