OUI Lookup
4c74a7
IEEE Registration Authority
Manufacturer Information
- OUI Prefix
- 4c74a7
- Manufacturer
- IEEE Registration Authority
- Address
- 445 Hoes Lane Piscataway NJ US 08554
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 424
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 4C74A7
The OUI prefix 4C74A7 is assigned to IEEE Registration Authority, based in 445 Hoes Lane Piscataway NJ US 08554 . 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 IEEE Registration Authority.
Other prefixes from IEEE Registration Authority
b84c87IEEE Registration Authority48da35IEEE Registration Authority58c41eIEEE Registration Authoritye03c1cIEEE Registration Authorityc4a559IEEE Registration Authority0ccc47IEEE Registration Authorityf0221dIEEE Registration Authorityc48372IEEE Registration Authority883cc5IEEE Registration Authority2c691dIEEE Registration Authority549a11IEEE Registration Authority8002f4IEEE Registration Authority6c1524IEEE Registration Authority6c9308IEEE Registration Authority988fe0IEEE Registration Authority18d793IEEE Registration Authoritydc3643IEEE Registration Authority04eee8IEEE Registration Authority08f80dIEEE Registration Authorityf4a454IEEE Registration Authority9880bbIEEE Registration Authority785ee8IEEE Registration Authority6433b5IEEE Registration Authority44a92cIEEE Registration Authority