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MAC prefix A4:A5:28

Assigned by the IEEE to Sichuan Tianyi Comheart Telecom Co.,LTD.

Prefix
A4:A5:28   A4-A5-28   A4A5.28
Block type
MA-L (16,777,216 addresses)
Address range
A4:A5:28:00:00:00 – A4:A5:28:FF:FF:FF
Organization
Sichuan Tianyi Comheart Telecom Co.,LTD
Registered address
No.198,First Section,Snow Mountain Avenue, Jinyuan Town, Dayi County, Chengdu Sichuan 611330, CN
Country
China (CN)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up A4:A5:28:00:00:00

Sichuan Tianyi Comheart Telecom Co.,LTD holds 74 blocks in total: see all. Source: IEEE Registration Authority public listing.