OUI Lookup
381a52
Seiko Epson Corporation
Manufacturer Information
- OUI Prefix
- 381a52
- Manufacturer
- Seiko Epson Corporation
- Address
- 2070 Kotobuki Koaka Matsumoto-shi Nagano-ken JP 399-8702
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 21
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 381A52
The OUI prefix 381A52 is assigned to Seiko Epson Corporation, based in 2070 Kotobuki Koaka Matsumoto-shi Nagano-ken JP 399-8702 . 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 Seiko Epson Corporation.
Other prefixes from Seiko Epson Corporation
a4d73cSeiko Epson Corporation50579cSeiko Epson Corporation0026abSeiko Epson Corporation5805d9Seiko Epson Corporation64c6d2Seiko Epson Corporation64eb8cSeiko Epson Corporationd4808bSeiko Epson Corporationdccd2fSeiko Epson Corporation6855d4Seiko Epson Corporationf82551Seiko Epson Corporatione0bb9eSeiko Epson Corporationf8d027Seiko Epson Corporation9caed3Seiko Epson Corporation000048Seiko Epson Corporationb0e892Seiko Epson Corporationac1826Seiko Epson Corporationa4ee57Seiko Epson Corporation389d92Seiko Epson Corporation44d244Seiko Epson Corporationdc83bfSeiko Epson Corporation