Shenzhen YOUHUA Technology Co., Ltd
该厂商在 IEEE 注册的 OUI / MAC 地址前缀清单，共 44 个。
44
OUI 前缀总数
44
MA-L（24位）
0
MA-M（28位）
0
MA-S（36位）
想根据具体 MAC 地址反查厂商？
打开 MAC 地址厂商查询OUI 前缀清单
共 44 个
| OUI 前缀 | 注册类型 | 前缀位长 | 地址容量 | 示例 MAC |
|---|---|---|---|---|
00:BD:82 | MA-L | 24 bit | 16,777,216 | 00:BD:82:00:00:00 |
04:E0:B0 | MA-L | 24 bit | 16,777,216 | 04:E0:B0:00:00:00 |
10:47:E7 | MA-L | 24 bit | 16,777,216 | 10:47:E7:00:00:00 |
14:B8:37 | MA-L | 24 bit | 16,777,216 | 14:B8:37:00:00:00 |
1C:D5:E2 | MA-L | 24 bit | 16,777,216 | 1C:D5:E2:00:00:00 |
28:D1:B7 | MA-L | 24 bit | 16,777,216 | 28:D1:B7:00:00:00 |
2C:43:1A | MA-L | 24 bit | 16,777,216 | 2C:43:1A:00:00:00 |
2C:55:7C | MA-L | 24 bit | 16,777,216 | 2C:55:7C:00:00:00 |
30:3F:7B | MA-L | 24 bit | 16,777,216 | 30:3F:7B:00:00:00 |
34:E7:1C | MA-L | 24 bit | 16,777,216 | 34:E7:1C:00:00:00 |
44:7B:BB | MA-L | 24 bit | 16,777,216 | 44:7B:BB:00:00:00 |
4C:B8:B5 | MA-L | 24 bit | 16,777,216 | 4C:B8:B5:00:00:00 |
54:66:6C | MA-L | 24 bit | 16,777,216 | 54:66:6C:00:00:00 |
54:B2:9D | MA-L | 24 bit | 16,777,216 | 54:B2:9D:00:00:00 |
60:03:0C | MA-L | 24 bit | 16,777,216 | 60:03:0C:00:00:00 |
68:7D:00 | MA-L | 24 bit | 16,777,216 | 68:7D:00:00:00:00 |
68:A6:82 | MA-L | 24 bit | 16,777,216 | 68:A6:82:00:00:00 |
68:D1:BA | MA-L | 24 bit | 16,777,216 | 68:D1:BA:00:00:00 |
70:AC:D7 | MA-L | 24 bit | 16,777,216 | 70:AC:D7:00:00:00 |
74:B7:B3 | MA-L | 24 bit | 16,777,216 | 74:B7:B3:00:00:00 |
78:86:B6 | MA-L | 24 bit | 16,777,216 | 78:86:B6:00:00:00 |
7C:03:C9 | MA-L | 24 bit | 16,777,216 | 7C:03:C9:00:00:00 |
7C:76:30 | MA-L | 24 bit | 16,777,216 | 7C:76:30:00:00:00 |
88:AC:9E | MA-L | 24 bit | 16,777,216 | 88:AC:9E:00:00:00 |
90:12:34 | MA-L | 24 bit | 16,777,216 | 90:12:34:00:00:00 |
A4:29:40 | MA-L | 24 bit | 16,777,216 | A4:29:40:00:00:00 |
A8:57:BA | MA-L | 24 bit | 16,777,216 | A8:57:BA:00:00:00 |
A8:E2:C3 | MA-L | 24 bit | 16,777,216 | A8:E2:C3:00:00:00 |
B4:1D:2B | MA-L | 24 bit | 16,777,216 | B4:1D:2B:00:00:00 |
BC:13:A8 | MA-L | 24 bit | 16,777,216 | BC:13:A8:00:00:00 |
C0:7C:90 | MA-L | 24 bit | 16,777,216 | C0:7C:90:00:00:00 |
C4:04:7B | MA-L | 24 bit | 16,777,216 | C4:04:7B:00:00:00 |
C4:51:8D | MA-L | 24 bit | 16,777,216 | C4:51:8D:00:00:00 |
C8:21:DA | MA-L | 24 bit | 16,777,216 | C8:21:DA:00:00:00 |
C8:EB:EC | MA-L | 24 bit | 16,777,216 | C8:EB:EC:00:00:00 |
CC:90:E8 | MA-L | 24 bit | 16,777,216 | CC:90:E8:00:00:00 |
D0:F7:6E | MA-L | 24 bit | 16,777,216 | D0:F7:6E:00:00:00 |
D4:5F:25 | MA-L | 24 bit | 16,777,216 | D4:5F:25:00:00:00 |
D8:02:8A | MA-L | 24 bit | 16,777,216 | D8:02:8A:00:00:00 |
D8:32:5A | MA-L | 24 bit | 16,777,216 | D8:32:5A:00:00:00 |
DC:9C:9F | MA-L | 24 bit | 16,777,216 | DC:9C:9F:00:00:00 |
DC:A3:33 | MA-L | 24 bit | 16,777,216 | DC:A3:33:00:00:00 |
E0:6A:05 | MA-L | 24 bit | 16,777,216 | E0:6A:05:00:00:00 |
FC:34:E2 | MA-L | 24 bit | 16,777,216 | FC:34:E2:00:00:00 |
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关于 Shenzhen YOUHUA Technology Co., Ltd 的 OUI
OUI（Organizationally Unique Identifier）是 IEEE 分配给设备制造商的地址前缀。 一个 MAC 地址若以上表中的任一前缀开头，通常即由 Shenzhen YOUHUA Technology Co., Ltd 生产或贴牌。
注册类型决定前缀长度与可用地址数：MA-L 占 24 位（约 1678 万个地址）、MA-M 占 28 位、MA-S 占 36 位（4096 个地址）。 判断归属时应按最长前缀优先匹配。