3 ms·

Last 64 bits in ipv6 address is your MAC address. Ipv4 did not have this. Many users were allocated IPs temporarily from IP pool So it was difficult to track

Last 64 bits in ipv6 address is your MAC address. Ipv4 did not have this. Many users were allocated IPs temporarily from IP pool So it was difficult to track inviduals devices as IP would change all time.

pawal 8y ago
Please go ahead and Read RFC4941.
pingiun 8y ago
A MAC address is 6 bytes, so 48 bits