- Prefix
- 00:40:FB 00-40-FB 0040.FB
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 00:40:FB:00:00:00 – 00:40:FB:FF:FF:FF
- Organization
- CASCADE COMMUNICATIONS
- Registered address
- PRODUCTION QUALITY ENGINEER, WESTFORD MA 01886, US
- Country
- United States (US)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 00:40:FB:00:00:00
CASCADE COMMUNICATIONS holds 2 blocks in total: see all. Source: IEEE Registration Authority public listing.