OUI Lookup
0000d9
NIPPON TELEGRAPH & TELEPHONE
Manufacturer Information
- OUI Prefix
- 0000d9
- Manufacturer
- NIPPON TELEGRAPH & TELEPHONE
- Address
- CORPORATION (NTT) TOKYO 100-8116 JP
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0000D9
The OUI prefix 0000D9 is assigned to NIPPON TELEGRAPH & TELEPHONE, based in CORPORATION (NTT) TOKYO 100-8116 JP . 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 NIPPON TELEGRAPH & TELEPHONE.