OUI Lookup
44f849
Union Pacific Railroad
Manufacturer Information
- OUI Prefix
- 44f849
- Manufacturer
- Union Pacific Railroad
- Address
- 1400 Douglas St. STOP 0610 Omaha NE US 68179
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 44F849
The OUI prefix 44F849 is assigned to Union Pacific Railroad, based in 1400 Douglas St. STOP 0610 Omaha NE US 68179 . 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 Union Pacific Railroad.