OUI Lookup
7c8d91
Shanghai Hongzhuo Information Technology co.,LTD
Manufacturer Information
- OUI Prefix
- 7c8d91
- Manufacturer
- Shanghai Hongzhuo Information Technology co.,LTD
- Address
- Room.161,Building 5,No.311 Jingao RD Pudong Shanghai CN 200136
- Last updated
- 6/14/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 7C8D91
The OUI prefix 7C8D91 is assigned to Shanghai Hongzhuo Information Technology co.,LTD, based in Room.161,Building 5,No.311 Jingao RD Pudong Shanghai CN 200136 . 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 Hongzhuo Information Technology co.,LTD.