OUI Lookup
90e5b1
Espressif Inc.
Manufacturer Information
- OUI Prefix
- 90e5b1
- Manufacturer
- Espressif Inc.
- Address
- Room 204, Building 2, 690 Bibo Rd, Pudong New Area Shanghai Shanghai CN 201203
- Last updated
- 6/16/2026
Vendor Statistics
- Total prefixes
- 315
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 90E5B1
The OUI prefix 90E5B1 is assigned to Espressif Inc., based in Room 204, Building 2, 690 Bibo Rd, Pudong New Area Shanghai Shanghai CN 201203 . 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 Espressif Inc..
Other prefixes from Espressif Inc.
600194Espressif Inc.9097d5Espressif Inc.b48a0aEspressif Inc.34b472Espressif Inc.08f9e0Espressif Inc.4831b7Espressif Inc.b08184Espressif Inc.50787dEspressif Inc.3844beEspressif Inc.f0161dEspressif Inc.20e7c8Espressif Inc.840d8eEspressif Inc.a085e3Espressif Inc.14c19fEspressif Inc.8c8c29Espressif Inc.7c0c5fEspressif Inc.7ce8b1Espressif Inc.441bf6Espressif Inc.704bcaEspressif Inc.288485Espressif Inc.f85b1bEspressif Inc.b0a604Espressif Inc.8856a6Espressif Inc.e08cfeEspressif Inc.