- Prefix
- EC:74:D7 EC-74-D7 EC74.D7
- Block type
- MA-L (16,777,216 addresses)
- Address range
- EC:74:D7:00:00:00 – EC:74:D7:FF:FF:FF
- Organization
- Grandstream Networks Inc
- Registered address
- 126 brookline avenue, boston MA 02215, US
- Country
- United States (US)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up EC:74:D7:00:00:00
Grandstream Networks, Inc. holds 3 blocks in total: see all. Source: IEEE Registration Authority public listing.