OUI Lookup
00223b
Communication Networks, LLC
Manufacturer Information
- OUI Prefix
- 00223b
- Manufacturer
- Communication Networks, LLC
- Address
- 3 Corporate Drive Danbury CT US 06810
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 00223B
The OUI prefix 00223B is assigned to Communication Networks, LLC, based in 3 Corporate Drive Danbury CT US 06810 . 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 Communication Networks, LLC.