Vendor directory

12,632 blocks registered in China.

Every MA-L, MA-M, MA-S, IAB, and CID block IEEE has ever assigned to a named organization, browsable or searchable.

Unique organizations5,580

Total blocks12,632

MA-L count9,761

MA-M count2,325

MA-S count448

IAB count72

CID count26

Total address capacity166,638,682,112

Last changed hereAug 28, 2026

Country reflects the address published in the IEEE registration record. It does not indicate where a device was manufactured, sold, located or currently used.

Largest organizations in China

Organization	Blocks
HUAWEI TECHNOLOGIES CO.,LTD	1,407
Huawei Device Co., Ltd.	650
zte corporation	498
Xiaomi Communications Co Ltd	235
Fiberhome Telecommunication Technologies Co.,LTD	215
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP.,LTD	188
TP-LINK TECHNOLOGIES CO.,LTD.	174
vivo Mobile Communication Co., Ltd.	168
New H3C Technologies Co., Ltd	138
Hon Hai Precision Ind. Co.,Ltd.	129

Organization Prefix Type

🇨🇳 Sichuan Changhong Electric Ltd. C0:13:2B:00:00:00 /24 MA-L 🇨🇳 Sichuan Changhong Electric Ltd. D8:47:10:00:00:00 /24 MA-L 🇨🇳 Sichuan Changhong Network Technologies Co., Ltd. 24:D9:04:00:00:00 /24 MA-L 🇨🇳 Sichuan Changhong Network Technologies Co., Ltd. A0:C0:16:00:00:00 /24 MA-L 🇨🇳 Sichuan Dianjia network technology Co.Ltd. CC:1B:E0:70:00:00 /28 MA-M 🇨🇳 Sichuan Dowlab Electronics Technology Co. Ltd 50:FF:99:B0:00:00 /28 MA-M 🇨🇳 Sichuan Fanyi Technology Co. Ltd. 80:02:F4:50:00:00 /28 MA-M 🇨🇳 Sichuan Gengyuan Technology Co.,Ltd F4:20:55:10:00:00 /28 MA-M 🇨🇳 Sichuan GFS Information Technology Co.Ltd 68:DA:73:D0:00:00 /28 MA-M 🇨🇳 Sichuan Haige Actec Communication Technology Co.,Ltd. 64:FB:81:B0:00:00 /28 MA-M 🇨🇳 SICHUAN HUACUN ZHIGU TECHNOLOGY CO.,LTD 8C:1F:64:EE:30:00 /36 MA-S 🇨🇳 Sichuan Huakun Zhenyu Intelligent Technology Co., Ltd 84:B3:86:10:00:00 /28 MA-M 🇨🇳 SICHUAN HUAKUN ZHENYU INTELLIGENT TECHNOLOGY CO.,LTD 60:83:F8:00:00:00 /24 MA-L 🇨🇳 Sichuan Huidian Qiming Intelligent Technology Co.,Ltd 6C:2A:DF:D0:00:00 /28 MA-M 🇨🇳 Sichuan iLink Technology Co., Ltd. BC:1C:81:00:00:00 /24 MA-L 🇨🇳 Sichuan Jinwangtong Electronic Science&Technology Co,.Ltd FC:E1:92:00:00:00 /24 MA-L 🇨🇳 Sichuan Jiuzhou Electronic Technology Co., Ltd. 0C:49:33:00:00:00 /24 MA-L 🇨🇳 Sichuan Jiuzhou Electronic Technology Co., Ltd. 28:5B:0C:00:00:00 /24 MA-L 🇨🇳 Sichuan Jiuzhou Electronic Technology Co., Ltd. 7C:52:59:00:00:00 /24 MA-L 🇨🇳 Sichuan Jiuzhou Electronic Technology Co.,Ltd 00:23:B8:00:00:00 /24 MA-L 🇨🇳 Sichuan lookout environment protection technology co.,Ltd 80:02:F4:10:00:00 /28 MA-M 🇨🇳 Sichuan Nebula Networks Co.,LTD. 30:09:F9:B0:00:00 /28 MA-M 🇨🇳 Sichuan Odot Automation System Co., Ltd. BC:A6:E7:00:00:00 /24 MA-L 🇨🇳 Sichuan Odot Automation System Co.,Ltd. AC:1D:DF:80:00:00 /28 MA-M 🇨🇳 Sichuan Puhui Zhida Communication Equipment Co. Ltd. 10:63:A3:20:00:00 /28 MA-M 🇨🇳 Sichuan Ruiting Zhihui Technology Co., Ltd EC:A7:B1:40:00:00 /28 MA-M 🇨🇳 Sichuan subao network technology ltd.co. 44:6F:D8:00:00:00 /28 MA-M 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 00:4C:E5:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 00:E5:E4:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 04:43:FD:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 04:6B:25:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 08:01:0F:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 10:12:B4:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 14:69:A2:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 18:52:07:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 18:75:32:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 1C:0E:D3:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 1C:FF:59:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 24:06:F2:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 24:1A:F7:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 24:1D:48:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 24:8B:E0:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 28:93:7D:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 2C:4B:14:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 2C:63:73:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 30:5A:99:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 30:BD:FE:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 34:8D:52:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 38:68:BE:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 40:70:A5:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 40:F4:20:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 44:56:E2:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 44:BA:46:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 44:D5:06:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 48:5D:ED:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 54:E0:61:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 58:D2:37:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 5C:4A:1F:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 5C:A1:76:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 5C:FC:6E:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 64:3A:B1:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 64:52:34:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 64:5D:92:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 64:C0:1A:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 68:1A:7C:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 68:1E:A3:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 68:26:2A:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 74:69:4A:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 78:47:E3:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 78:71:04:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 78:B8:4B:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 7C:CC:1F:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 7C:DA:C3:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 80:48:A5:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 84:B6:30:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 88:00:C6:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 88:01:0C:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 8C:81:72:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 90:52:BF:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 90:86:74:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 98:8C:B3:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 9C:32:A9:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 9C:61:21:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD 9C:9C:40:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD A4:2A:71:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD A4:A5:28:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD AC:01:7A:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD AC:E7:7B:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD B8:22:4F:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD B8:A7:92:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD B8:DD:E8:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD BC:5D:A3:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD C0:1B:23:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD C0:91:20:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD C0:CC:42:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD C4:A1:51:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD C8:14:B4:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD C8:6C:20:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD CC:26:14:00:00:00 /24 MA-L 🇨🇳 Sichuan Tianyi Comheart Telecom Co.,LTD CC:6D:55:00:00:00 /24 MA-L