- Prefix
- 00:1F:51 00-1F-51 001F.51
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 00:1F:51:00:00:00 – 00:1F:51:FF:FF:FF
- Organization
- HD Communications Corp
- Registered address
- 2180 Fifth Ave, Ronkonkoma NY 11779, US
- Country
- United States (US)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 00:1F:51:00:00:00
HD Communications Corp holds 1 block in total: see all. Source: IEEE Registration Authority public listing.