MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 4C:2F:7B (AltoBeam Inc.)
MAC address prefix 4C:2F:7B is registered to AltoBeam Inc., located at B808, Tsinghua Tongfang Hi-Tech Plaza, Haidian, Beijing Beijing 100083, 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 28 January 2025, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
4C:2F:7B
Registrant / Organization
Registry Chronology
Initial registration: 28 January 2025
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
B808
Tsinghua Tongfang Hi-Tech Plaza
Haidian
Beijing Beijing 100083
CN.
Tsinghua Tongfang Hi-Tech Plaza
Haidian
Beijing Beijing 100083
CN.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/4c2f7b -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "4C2F7B",
"company": "AltoBeam Inc.",
"address": "B808, Tsinghua Tongfang Hi-Tech Plaza, Haidian, Beijing Beijing 100083, CN",
"country": "CN",
"blockStart": "4C2F7B000000",
"blockEnd": "4C2F7BFFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2025-01-28",
"isRand": false,
"isPrivate": false
}