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MAC prefix 00:40:9F

Assigned by the IEEE to Telco Systems, Inc..

Prefix
00:40:9F   00-40-9F   0040.9F
Block type
MA-L (16,777,216 addresses)
Address range
00:40:9F:00:00:00 – 00:40:9F:FF:FF:FF
Organization
Telco Systems, Inc.
Registered address
15 Berkshire Road, Mansfield, MA 02048, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:40:9F:00:00:00

Telco Systems, Inc. holds 6 blocks in total: see all. Source: IEEE Registration Authority public listing.