You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: netutil.go
    path of file: ./repos/gogs/internal/netutil
    
    the code of the file until where you have to start completion: // Copyright 2022 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.

package netutil

import (
	"fmt"
	"net"
)

var localCIDRs []*net.IPNet

func init() {
	// Parsing hardcoded CIDR strings should never fail, if in case it does, let's
	// fail it at start.
	rawCIDRs := []string{
		// https://datatracker.ietf.org/doc/html/rfc5735:
		"127.0.0.0/8",        // Loopback
		"0.0.0.0/8",          // "This" network
		"100.64.0.0/10",      // Shared address space
		"169.254.0.0/16",     // Link local
    
func init() {
	// Parsing hardcoded CIDR strings should never fail, if in case it does, let's
	// fail it at start.
	rawCIDRs := []string{
		// https://datatracker.ietf.org/doc/html/rfc5735:
		"127.0.0.0/8",        // Loopback
		"0.0.0.0/8",          // "This" network
		"100.64.0.0/10",      // Shared address space
		"169.254.0.0/16",     // Link local
		"172.16.0.0/12",      // Private-use networks
		"192.0.0.0/24",       // IETF Protocol assignments
		"192.0.2.0/24",       // TEST-NET-1
		"192.88.99.0/24",     // 6to4 Relay anycast
		"192.168.0.0/16",     // Private-use networks
		"198.18.0.0/15",      // Network interconnect
		"198.51.100.0/24",    // TEST-NET-2
		"203.0.113.0/24",     // TEST-NET-3
		"255.255.255.255/32", // Limited broadcast

		// https://datatracker.ietf.org/doc/html/rfc1918:
		"10.0.0.0/8", // Private-use networks

		// https://datatracker.ietf.org/doc/html/rfc6890:
		"::1/128",   // Loopback
		"FC00::/7",  // Unique local address
		"FE80::/10", // Multicast address
	}
	for _, raw := range rawCIDRs {
		_, cidr, err := net.ParseCIDR(raw)
		if err != nil {
			panic(fmt.Sprintf("parse CIDR %q: %v", raw, err))
		}
		localCIDRs = append(localCIDRs, cidr)
	}
}