- Prefix
- 00:19:38 00-19-38 0019.38
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 00:19:38:00:00:00 – 00:19:38:FF:FF:FF
- Organization
- UMB Communications Co., Ltd.
- Registered address
- 1010, 5, ACE Techno Tower, 197-22, Guro-dong, Guro-gu, Seoul 151-766, KR
- Country
- South Korea (KR)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 00:19:38:00:00:00
UMB Communications Co., Ltd. holds 1 block in total: see all. Source: IEEE Registration Authority public listing.