a question about machine id

[mengyaommm]

hello, I know the ip_bytes is the binary repressntation of this address，but why the red box marked represent the lower 16 bits of the ip address, the ip is ipv6 , whether it needs to be changed as ip_bytes[14] << 8 + ip_bytes[15]

[hjpotter92]

hello, I know the ip_bytes is the binary repressntation of this address，but why the red box marked represent the lower 16 bits of the ip address

I don't understand what you mean here? For an IPv4 of the form A.B.C.D, the lowest 16-bits (2-bytes) would be the C.D part.

the ip is ipv6 , whether it needs to be changed as ip_bytes[14] << 8 + ip_bytes[15]

The ip should always be an IPv4 value. gethostbyname is documented to only generate the ipv4 value.