Shanghai Longcheer Technology Co., Ltd.

Shanghai Longcheer Technology Co., Ltd. holds 2 OUI prefixes in the IEEE registry. Each prefix is the first three octets of a MAC address and covers a block of 16,777,216 addresses, so devices built by Shanghai Longcheer Technology Co., Ltd. draw from a pool of about 33,554,432 possible MAC addresses in total.

Registered address: Bldg 1,No.401,Caobao RD,Xuhui Dist Shanghai CN 200233

All 2 prefixes

• 30:D9:5930:D9:59:00:00:00 – 30:D9:59:FF:FF:FF
• 54:2F:0454:2F:04:00:00:00 – 54:2F:04:FF:FF:FF

Have a full MAC address? Look it up to see which of these prefixes it belongs to — or browse the full manufacturer directory.