MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address DC:B3:B4 (Honeywell Environmental & Combustion Controls (Tianjin) Co., Ltd.)
MAC address prefix DC:B3:B4 is registered to Honeywell Environmental & Combustion Controls (Tianjin) Co., Ltd., located at 158 Nan Hai Road, TEDA, Tianjin 300457, 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 17 November 2015, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
DC:B3:B4
Registrant / Organization
Registry Chronology
Initial registration: 17 November 2015
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
158 Nan Hai Road
TEDA
Tianjin 300457
CN.
TEDA
Tianjin 300457
CN.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/dcb3b4 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "DCB3B4",
"company": "Honeywell Environmental & Combustion Controls (Tianjin) Co., Ltd.",
"address": "158 Nan Hai Road, TEDA, Tianjin 300457, CN",
"country": "CN",
"blockStart": "DCB3B4000000",
"blockEnd": "DCB3B4FFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2015-11-17",
"isRand": false,
"isPrivate": false
}