OUI Lookup
a40b78
FAST PHOTONICS HK CO., LIMITED
Manufacturer Information
- OUI Prefix
- a40b78
- Manufacturer
- FAST PHOTONICS HK CO., LIMITED
- Address
- FLAT/RM B3, 19/F, TUNG LEE COMMERCIAL BUILDING, 91-97 JERVOIS STREET, SHEUNG WAN HONG KONG CN HK
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix A40B78
The OUI prefix A40B78 is assigned to FAST PHOTONICS HK CO., LIMITED, based in FLAT/RM B3, 19/F, TUNG LEE COMMERCIAL BUILDING, 91-97 JERVOIS STREET, SHEUNG WAN HONG KONG CN HK . 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 FAST PHOTONICS HK CO., LIMITED.