OUI Lookup
cc5d57
Information System Research Institute,Inc.
Manufacturer Information
- OUI Prefix
- cc5d57
- Manufacturer
- Information System Research Institute,Inc.
- Address
- Metro city minamiikebukuro-bldg.5F Toshima-ku Tokyo JP 171-0022
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix CC5D57
The OUI prefix CC5D57 is assigned to Information System Research Institute,Inc., based in Metro city minamiikebukuro-bldg.5F Toshima-ku Tokyo JP 171-0022 . 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 Information System Research Institute,Inc..