OUI Lookup
503a0f
ALL Winner (Hong Kong) Limited
Manufacturer Information
- OUI Prefix
- 503a0f
- Manufacturer
- ALL Winner (Hong Kong) Limited
- Address
- Unit No.1301,13F,Sunbeam Plaza,1155 Canton Road,Mongkok,Kowloon,Hong Kong Hong Kong CN 999077
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 4
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 503A0F
The OUI prefix 503A0F is assigned to ALL Winner (Hong Kong) Limited, based in Unit No.1301,13F,Sunbeam Plaza,1155 Canton Road,Mongkok,Kowloon,Hong Kong Hong Kong CN 999077 . 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 ALL Winner (Hong Kong) Limited.