OUI Lookup
40f21c
Zhone Technologies, Inc.
Manufacturer Information
- OUI Prefix
- 40f21c
- Manufacturer
- Zhone Technologies, Inc.
- Address
- 5700 Tennyson Parkway, Suite 400 Plano TX US 75024
- Last updated
- 6/9/2026
Vendor Statistics
- Total prefixes
- 12
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 40F21C
The OUI prefix 40F21C is assigned to Zhone Technologies, Inc., based in 5700 Tennyson Parkway, Suite 400 Plano TX US 75024 . 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 Zhone Technologies, Inc..
Other prefixes from Zhone Technologies, Inc.
9c65eeZhone Technologies, Inc.cc6c52Zhone Technologies, Inc.000271Zhone Technologies, Inc.000147Zhone Technologies, Inc.d096fbZhone Technologies, Inc.304f75Zhone Technologies, Inc.00a01bZhone Technologies, Inc.00e0dfZhone Technologies, Inc.00180cZhone Technologies, Inc.003052Zhone Technologies, Inc.0050caZhone Technologies, Inc.