OUI Lookup
00121e
Juniper Networks
Manufacturer Information
- OUI Prefix
- 00121e
- Manufacturer
- Juniper Networks
- Address
- 1133 Innovation Way Sunnyvale CA US 94089
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 207
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 00121E
The OUI prefix 00121E is assigned to Juniper Networks, based in 1133 Innovation Way Sunnyvale CA US 94089 . 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 Juniper Networks.
Other prefixes from Juniper Networks
e4f27cJuniper Networks60c78dJuniper Networks3c08cdJuniper Networks485a0dJuniper Networks84b59cJuniper Networks5c4527Juniper Networksec3ef7Juniper Networks002159Juniper Networks00239cJuniper Networks50c58dJuniper Networks28c0daJuniper Networks288a1cJuniper Networks40a677Juniper Networksd818d3Juniper Networksf04b3aJuniper Networksc042d0Juniper Networks001bc0Juniper Networks44ecceJuniper Networkscce194Juniper Networkse45d37Juniper Networks94f7adJuniper Networks784f9bJuniper Networks88d98fJuniper Networks78507cJuniper Networks