OUI Lookup
00213a
Winchester Systems Inc.
Manufacturer Information
- OUI Prefix
- 00213a
- Manufacturer
- Winchester Systems Inc.
- Address
- 101 Billerica Avenue Billerica, MA US 01862
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 00213A
The OUI prefix 00213A is assigned to Winchester Systems Inc., based in 101 Billerica Avenue Billerica, MA US 01862 . 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 Winchester Systems Inc..