OUI Lookup
000a21
Integra Telecom Co. Ltd
Manufacturer Information
- OUI Prefix
- 000a21
- Manufacturer
- Integra Telecom Co. Ltd
- Address
- 7th floor Hwayoung Bld. 112-2 Seoul KR
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 000A21
The OUI prefix 000A21 is assigned to Integra Telecom Co. Ltd, based in 7th floor Hwayoung Bld. 112-2 Seoul KR . It is a MA-L type block of 24 bits (first three octets). Allows up to 16 million unique MAC addresses. If you find this prefix on your network, the devices belong to Integra Telecom Co. Ltd.