- Prefix
- 00:21:64 00-21-64 0021.64
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 00:21:64:00:00:00 – 00:21:64:FF:FF:FF
- Organization
- Special Design Bureau for Seismic Instrumentation
- Registered address
- 129, Krainyaya Str., Saratov Saratov region 410019, RU
- Country
- Russian Federation (RU)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 00:21:64:00:00:00
Special Design Bureau for Seismic Instrumentation holds 1 block in total: see all. Source: IEEE Registration Authority public listing.