MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 10:00:3B (Espressif Inc.)
MAC address prefix 10:00:3B is registered to Espressif Inc., located at Room 204, Building 2, 690 Bibo Rd, Pudong New Area, Shanghai Shanghai 201203, CN. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 16 October 2024, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
10:00:3B
Registrant / Organization
Registry Chronology
Initial registration: 16 October 2024
Assignment Classification
MA-L
(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)
Registered Location
Country: China (CN)
Headquarters Registered Facility 🇨🇳 CN
Room 204
Building 2
690 Bibo Rd
Pudong New Area
Shanghai Shanghai 201203
CN.
Building 2
690 Bibo Rd
Pudong New Area
Shanghai Shanghai 201203
CN.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/10003b -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "10003B",
"company": "Espressif Inc.",
"address": "Room 204, Building 2, 690 Bibo Rd, Pudong New Area, Shanghai Shanghai 201203, CN",
"country": "CN",
"blockStart": "10003B000000",
"blockEnd": "10003BFFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2024-10-16",
"isRand": false,
"isPrivate": false
}