MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 44:29:1E (AltoBeam Inc.)
MAC address prefix 44:29:1E 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 initially registered on 25 January 2022, with the most recent update made on 15 June 2026.
Vendor & Registry Dossier
Assigned Prefix
44:29:1E
Registrant / Organization
Registry Chronology
Initial registration: 25 January 2022
Last updated: 15 June 2026
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/44291e -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "44291E",
"company": "AltoBeam Inc.",
"address": "B808, Tsinghua Tongfang Hi-Tech Plaza, Haidian, Beijing Beijing 100083, CN",
"country": "CN",
"blockStart": "44291E000000",
"blockEnd": "44291EFFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2026-06-15",
"isRand": false,
"isPrivate": false
}