Beta
;}.cls-4{fill:url(%23未命名的渐变_5-2);}%3c/style%3e%3cradialGradient%20id='未命名的渐变_5'%20cx='2636.89'%20cy='2223.29'%20r='113.59'%20gradientTransform='translate(2751.11%202306.97)%20rotate(180)'%20gradientUnits='userSpaceOnUse'%3e%3cstop%20offset='0'/%3e%3cstop%20offset='1'%20stop-color='%23fff'/%3e%3c/radialGradient%3e%3cradialGradient%20id='未命名的渐变_5-2'%20cx='221.53'%20cy='135.68'%20r='113.59'%20gradientTransform='matrix(1,%200,%200,%201,%200,%200)'%20xlink:href='%23未命名的渐变_5'/%3e%3c/defs%3e%3cg%20class='cls-1'%3e%3cg%20id='图层_2'%20data-name='图层%202'%3e%3cg%20id='图层_1-2'%20data-name='图层%201'%3e%3cpath%20class='cls-2'%20d='M226.07,0a109.05,109.05,0,0,0-58.2,16.83,109.46,109.46,0,0,1,0,185.7,109.35,109.35,0,0,0,73.9,15.71c14-2,23-15.47,20.43-29.35a45.67,45.67,0,0,1-.77-7.89,46.29,46.29,0,0,1,44.92-46.48c1.18,0,2.35,0,3.51,0a24.61,24.61,0,0,0,25.88-24.36c0-.18,0-.35,0-.53A109.69,109.69,0,0,0,226.07,0Zm53.34,111.63a22.81,22.81,0,1,1,22.81-22.81A22.81,22.81,0,0,1,279.41,111.63Z'/%3e%3cpath%20class='cls-2'%20d='M219.36,109.68a109.5,109.5,0,0,0-51.49-92.85,109.47,109.47,0,0,0,0,185.7A109.5,109.5,0,0,0,219.36,109.68Z'/%3e%3cpath%20class='cls-2'%20d='M116.39,109.68a109.48,109.48,0,0,1,51.47-92.84h0a109.64,109.64,0,1,0-58.19,202.53,108.41,108.41,0,0,0,27.61-3.62,109.79,109.79,0,0,0,30.58-13.21A109.49,109.49,0,0,1,116.39,109.68Z'/%3e%3cpath%20class='cls-3'%20d='M219.36,109.69a109.51,109.51,0,0,1-51.48,92.84A132.71,132.71,0,0,0,198.46,3.63a110,110,0,0,0-30.59,13.21A109.5,109.5,0,0,1,219.36,109.69Z'/%3e%3cpath%20class='cls-4'%20d='M116.39,109.68a109.48,109.48,0,0,1,51.47-92.84,132.72,132.72,0,0,0-30.57,198.9,109.79,109.79,0,0,0,30.58-13.21A109.49,109.49,0,0,1,116.39,109.68Z'/%3e%3c/g%3e%3c/g%3e%3c/g%3e%3c/svg%3e)
MAC Address Lookup - 00091b #Webmaster
MAC address
| MAC address | 00091B |
|---|---|
| OUI | 00091B |
| Registry type | MA-L |
| Region | South Korea 🇰🇷 |
| Manufacturer | Digital Generation Inc. |
| Address | 5F, Ho-Sam B/D, #30-3, Bongchun6-Dong Kwanak-Ku, Seoul 151-089 |
| I/G bit | Unicast Multicast |
| U/L bit | Globally unique Locally administered |
MAC address structure
A1-B2-C3-D4-E5-F6
- A1-B2-C3：OUI给MAC制造商分配的地址段，每个厂商唯一。
- D4-E5-F6：MAC制造商自己分配，理论上在地址段内唯一。
- A1...F6：每组由两位十六进制数构成，范围从00~FF（十进制：0~255），共256个。理论上MAC地址共有组合数量为：256^6=281,474,976,710,656。
About
- MAC地址（MAC address）
- 英文：Media Access Control Address。直译为媒体存取控制位址，也称为局域网地址（LAN Address），MAC位址，以太网地址（Ethernet Address）或物理地址（Physical Address），它是一个用来确认网络设备位置的位址。在OSI模型中，第三层网络层负责IP地址，第二层数据链路层则负责MAC位址 。MAC地址用于在网络中唯一标示一个网卡，一台设备若有一或多个网卡，则每个网卡都需要并会有一个唯一的MAC地址。
- 组织唯一标识符（OUI）
- 英文：Organizationally unique identifier。在任何一块网卡（NIC）中烧录的6字节MAC地址中，前3个字节体现了OUI，其表明了NIC的制造组织。通常情况下，该标识符是唯一的。
Ranking of MAC addresses owner
- [ 🇺🇸 ] Cisco Systems, Inc1013
- [ 🇺🇸 ] Apple, Inc.973
- [ 🇨🇳 ] HUAWEI TECHNOLOGIES CO.,LTD906
- [ 🇰🇷 ] Samsung Electronics Co.,Ltd690
- [ 🇲🇾 ] Intel Corporate490
- [ 🇨🇳 ] Huawei Device Co., Ltd.380
- [ 🇺🇸 ] ARRIS Group, Inc.343
- [ 🇺🇸 ] IEEE Registration Authority270
- [ 🇺🇸 ] zte corporation267
- [ 🇺🇸 ] Texas Instruments257
Ranking of regional manufacturers
- 🇺🇸 United States of America8059
- 🇨🇳 China3978
- 🇩🇪 Germany2137
- 🇰🇷 South Korea1912
- 🇯🇵 Japan1700
- 🇹🇼 Taiwan, China1606
- 🇬🇧 United Kingdom1216
- 🇨🇦 Canada799
- 🇫🇷 France756
- 🇮🇹 Italy652
Ranking of regional OUI quantity
- 🇺🇸 United States of America14114
- 🇨🇳 China7786
- 🇰🇷 South Korea2963
- 🇩🇪 Germany2707
- 🇹🇼 Taiwan, China2418
- 🇯🇵 Japan2292
- 🇬🇧 United Kingdom1418
- 🇨🇦 Canada1064
- 🇫🇷 France1057
- 🇮🇹 Italy875
Popular tools
MAC Address Lookup14061 k+
Interest12333 k+
Housing Loan2972 k+
Interest Rate342 k+
Timestamp Convert299 k+
VAT150 k+
Unit Exchange62 k+
ID Card Valid60 k+
Annual Salary53 k+
CNY Uppercase51 k+
Keep faith in what you want, even if you don't have it now, you may never get it.
®