OUI Lookup
0021dd
Northstar Systems Corp
Manufacturer Information
- OUI Prefix
- 0021dd
- Manufacturer
- Northstar Systems Corp
- Address
- 5F, No.200 Gang Qian Rd Taipei TW 114
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0021DD
The OUI prefix 0021DD is assigned to Northstar Systems Corp, based in 5F, No.200 Gang Qian Rd Taipei TW 114 . 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 Northstar Systems Corp.