OUI Lookup
78ec22
Shanghai Qihui Telecom Technology Co., LTD
Manufacturer Information
- OUI Prefix
- 78ec22
- Manufacturer
- Shanghai Qihui Telecom Technology Co., LTD
- Address
- Room 501, No 2 BoYun Rd, PuDong New Area, Shanghai CN 201203
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 78EC22
The OUI prefix 78EC22 is assigned to Shanghai Qihui Telecom Technology Co., LTD, based in Room 501, No 2 BoYun Rd, PuDong New Area, Shanghai CN 201203 . It is a MA-L type block of 24 bits (first three octets). Allows up to 16 million unique MAC addresses. If you find this prefix on your network, the devices belong to Shanghai Qihui Telecom Technology Co., LTD.