MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
OTP CO.,LTD.
MAC address prefix 20:B3:7F:4 is registered to OTP CO.,LTD., located at 817 the SOHO2-7-4AOMIKOTO-KUTOKYO JAPANTOKYO TOKYO 135-0064JP.
This registration is classified as MA-M (Mac Address Block Medium) containing approximately 16 million MAC addresses
The prefix was registered on 16 March 2026, and no subsequent updates have been recorded.
OUI: 20:B3:7F:4
Vendor name: OTP CO.,LTD.
Address:
Assignment Type MA-M 817 the SOHO
2-7-4
AOMI
KOTO-KU
TOKYO JAPAN
TOKYO TOKYO 135-0064
JP.
Mac Address Block Medium. Number of address 2^20 (~1 Million)
Initial registration: 16 March 2026
