End of Life Ruby 3.1 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

IPAddr#hash

hash

# File tmp/rubies/ruby-3.1.3/lib/ipaddr.rb, line 397
def hash
  return ([@addr, @mask_addr, @zone_id].hash << 1) | (ipv4? ? 0 : 1)
end

Returns a hash value used by Hash, Set, and Array classes

See also #eql? #hton #coerce_other #in6_addr also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.0