Shaanxi GuoLian Digital TV Technology Co.,Ltd.
MAC address prefix AC:D6:57 is registered to Shaanxi GuoLian Digital TV Technology Co.,Ltd. in the IEEE OUI registry. Any device whose MAC address begins with AC:D6:57 has a network interface built by Shaanxi GuoLian Digital TV Technology Co.,Ltd.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address — it covers every MAC from AC:D6:57:00:00:00 to AC:D6:57:FF:FF:FF.
- OUI prefix
- AC:D6:57
- Hyphen form
- AC-D6-57
- MAC range
- AC:D6:57:00:00:00 – AC:D6:57:FF:FF:FF
- Addresses in block
- 16,777,216
- Organization
- Shaanxi GuoLian Digital TV Technology Co.,Ltd.
- Address
- Chief Building, Fifth Yannan Road, Qujiang New District xi'an shaanxi CN 71000
- Source
- IEEE OUI registry
Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.
Other prefixes from Shaanxi GuoLian Digital TV Technology Co.,Ltd.
Shaanxi GuoLian Digital TV Technology Co.,Ltd. holds 2 OUI prefixes in total. A device with this exact prefix could just as well carry any of these:
Assignment history (3)
The IEEE registry publishes current state only — this is the change record we've kept since we started tracking it daily.
- 2016-07-29Assigned to "Shaanxi Guolian Digital TV Technology Co., Ltd."archived source →
- 2017-09-08Renamed from "Shaanxi Guolian Digital TV Technology Co., Ltd." to "Shaanxi GuoLian Digital TV Technology Co.,Ltd."archived source →
- 2026-07-17Assigned to "Shaanxi GuoLian Digital TV Technology Co.,Ltd."
Nearby in the registry
The prefixes assigned immediately before and after AC:D6:57:
- Chengdu SingCore Technology Co.,Ltd.AC:D2:0C
- Cisco MerakiAC:D3:1D
- ABB SPA, ABB SACE DIV.AC:D3:64
- Arycs Technologies IncAC:D3:FB
- CHONGQING FUGUI ELECTRONICS CO.,LTD.AC:D5:64
- OnePlus Technology (Shenzhen) Co., LtdAC:D6:18
- Sagemcom Broadband SASAC:D7:5B
- Bouffalo Lab (Nanjing) Co., Ltd.AC:D8:29
- BELLDESIGN Inc.AC:D8:A7
- Quectel Wireless Solutions Co.,Ltd.AC:D9:29
- tci GmbHAC:D9:D6
- Marquardt Schaltsysteme SCSAC:DB:22
FAQ
- Which company owns MAC address prefix AC:D6:57?
- MAC address prefix AC:D6:57 is registered to Shaanxi GuoLian Digital TV Technology Co.,Ltd. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with AC:D6:57 has a network interface built by Shaanxi GuoLian Digital TV Technology Co.,Ltd..
- What is the OUI AC:D6:57?
- AC:D6:57 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Shaanxi GuoLian Digital TV Technology Co.,Ltd.. It covers every address from AC:D6:57:00:00:00 to AC:D6:57:FF:FF:FF, or 16,777,216 addresses in total. It is also written AC-D6-57.
- How do I find the manufacturer of a MAC address?
- Take the first three octets of the address — in AC:D6:57:00:00:00 that is AC:D6:57 — and look that prefix up in the IEEE OUI registry. If the second-lowest bit of the first octet is set, the address is locally administered (a randomized or private MAC), which belongs to no manufacturer and will not resolve; modern phones and laptops use these by default on each network.
- Where is Shaanxi GuoLian Digital TV Technology Co.,Ltd. located?
- Shaanxi GuoLian Digital TV Technology Co.,Ltd. is listed at Chief Building, Fifth Yannan Road, Qujiang New District xi'an shaanxi CN 71000 in the IEEE OUI registry entry for AC:D6:57. This is the address the organization registered with the IEEE, which may differ from its current operating address.
- How many MAC prefixes does Shaanxi GuoLian Digital TV Technology Co.,Ltd. own?
- Shaanxi GuoLian Digital TV Technology Co.,Ltd. holds 2 OUI prefixes in the IEEE registry, of which AC:D6:57 is one. A device made by Shaanxi GuoLian Digital TV Technology Co.,Ltd. could carry a MAC address from any of them.