- Prefix
- D4:21:22 D4-21-22 D421.22
- Block type
- MA-L (16,777,216 addresses)
- Address range
- D4:21:22:00:00:00 – D4:21:22:FF:FF:FF
- Organization
- Sercomm Corporation.
- Registered address
- 3F,No.81,Yu-Yih Rd.,Chu-Nan Chen, Miao-Lih Hsuan 115, TW
- Country
- Taiwan (TW)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up D4:21:22:00:00:00
Sercomm Corporation. holds 18 blocks in total: see all. Source: IEEE Registration Authority public listing.