[go net]

go_net.go

// 获取 cidr 所有 ip
package main

import (
	"net/netip"
)

func Hosts(cidr string) ([]netip.Addr, error) {
	prefix, err := netip.ParsePrefix(cidr)
	if err != nil {
		panic(err)
	}

	var ips []netip.Addr
	for addr := prefix.Addr(); prefix.Contains(addr); addr = addr.Next() {
		ips = append(ips, addr)
	}

	if len(ips) < 2 {
		return ips, nil
	}

	return ips[1 : len(ips)-1], nil
}