package main

import (
	"fmt"
	"log"
	"net"
)

func main() {
	ip, ipnet, err := net.ParseCIDR("62.76.47.12/28")
	if err != nil {
		log.Fatal(err)
	}
	for ip := ip.Mask(ipnet.Mask); ipnet.Contains(ip); inc(ip) {
		fmt.Println(ip)
	}
}

func inc(ip net.IP) {
	for j := len(ip)-1; j>=0; j-- {
		ip[j]++
		if ip[j] > 0 {
			break
		}
	}
}