- Prefix
- 34:EF:8B 34-EF-8B 34EF.8B
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 34:EF:8B:00:00:00 – 34:EF:8B:FF:FF:FF
- Organization
- NTT Communications Corporation
- Registered address
- NTT Hibiya Bldg. 7F, Chiyoda-ku Tokyo 100-8019, JP
- Country
- Japan (JP)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 34:EF:8B:00:00:00
NTT Communications Corporation holds 1 block in total: see all. Source: IEEE Registration Authority public listing.