OUI Lookup
00043f
ESTeem Wireless Modems, Inc
Manufacturer Information
- OUI Prefix
- 00043f
- Manufacturer
- ESTeem Wireless Modems, Inc
- Address
- 415 N. Quay St., Suite 4 Kennewick WA US 99336
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 00043F
The OUI prefix 00043F is assigned to ESTeem Wireless Modems, Inc, based in 415 N. Quay St., Suite 4 Kennewick WA US 99336 . 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 ESTeem Wireless Modems, Inc.