OUI Lookup
1c740d
Zyxel Communications Corporation
Manufacturer Information
- OUI Prefix
- 1c740d
- Manufacturer
- Zyxel Communications Corporation
- Address
- No. 6 Innovation Road II, Science Park Hsichu Taiwan TW 300
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 69
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 1C740D
The OUI prefix 1C740D is assigned to Zyxel Communications Corporation, based in No. 6 Innovation Road II, Science Park Hsichu Taiwan TW 300 . 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 Zyxel Communications Corporation.
Other prefixes from Zyxel Communications Corporation
f80da9Zyxel Communications Corporation88acc0Zyxel Communications Corporation909f22Zyxel Communications Corporation0023f8Zyxel Communications Corporation0019cbZyxel Communications Corporation5cf4abZyxel Communications Corporation082697Zyxel Communications Corporation80ea0bZyxel Communications Corporation88f3d5Zyxel Communications Corporationf44d5cZyxel Communications Corporation78c57dZyxel Communications Corporationd43df3Zyxel Communications Corporation28285dZyxel Communications Corporatione4186bZyxel Communications Corporation301577Zyxel Communications Corporation48ede6Zyxel Communications Corporation30bd13Zyxel Communications Corporationfc9f2aZyxel Communications Corporationc83374Zyxel Communications Corporationb0b2dcZyxel Communications Corporationcc5d4eZyxel Communications Corporation404a03Zyxel Communications Corporationc86c87Zyxel Communications Corporation14c7c4Zyxel Communications Corporation