OUI Lookup
00220b
National Source Coding Center
Manufacturer Information
- OUI Prefix
- 00220b
- Manufacturer
- National Source Coding Center
- Address
- Suite 701,Power Creative A,No.1 Beijing CN 100085
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 00220B
The OUI prefix 00220B is assigned to National Source Coding Center, based in Suite 701,Power Creative A,No.1 Beijing CN 100085 . 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 National Source Coding Center.