Vendor
Brookhaven National Laboratory
MA-M · 28-bit
38:B1:4E:5
Unicast · Universally administered (U/L bit clear)
- Matched prefix
38:B1:4E:5- Match
- MA-M assignment
- Address range
38:B1:4E:50:00:00 – 38:B1:4E:5F:FF:FF- Addresses in block
- 1,048,576
- Country
- US
- Organization address
- 741 Brookhaven Ave Upton NY US 11973
- First registered
- Mar 9, 2026
Formats
-
Plain hex
38B14E5 -
Colon-separated
38:B1:4E:5 -
Hyphen-separated
38-B1-4E-5 -
Cisco dot notation
38B1.4E5