Wavelinkでノードを初期化できない

前提・実現したいこと

Discord.pyでRythm的なシステムを作っています。
初期化処理中に以下のエラーメッセージが発生しました。

発生している問題・エラーメッセージ

Logged in as [ボット名] | [クライアントID]
WEBSOCKET | Connection Failure:: Cannot connect to host x.x.x.x:2333 ssl:default [リモート コンピューターによりネットワーク接続が拒否されました。]
Traceback (most recent call last):
  File "C:\develop\python\lib\site-packages\aiohttp\connector.py", line 936, in _wrap_create_connection
    return await self._loop.create_connection(*args, **kwargs)  # type: ignore  # noqa
  File "C:\develop\python\lib\asyncio\base_events.py", line 1025, in create_connection
    raise exceptions[0]
  File "C:\develop\python\lib\asyncio\base_events.py", line 1010, in create_connection
    sock = await self._connect_sock(
  File "C:\develop\python\lib\asyncio\base_events.py", line 924, in _connect_sock
    await self.sock_connect(sock, address)
  File "C:\develop\python\lib\asyncio\proactor_events.py", line 702, in sock_connect
    return await self._proactor.connect(sock, address)
  File "C:\develop\python\lib\asyncio\windows_events.py", line 808, in _poll
    value = callback(transferred, key, ov)
  File "C:\develop\python\lib\asyncio\windows_events.py", line 595, in finish_connect
    ov.getresult()
ConnectionRefusedError: [WinError 1225] リモート コンピューターによりネットワーク接続が拒否されました。

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "C:\develop\python\lib\site-packages\wavelink\websocket.py", line 75, in _connect
    self._websocket = await self._node.session.ws_connect(uri, headers=self.headers, heartbeat=self._node.heartbeat)
  File "C:\develop\python\lib\site-packages\aiohttp\client.py", line 721, in _ws_connect
    resp = await self.request(method, url,
  File "C:\develop\python\lib\site-packages\aiohttp\client.py", line 480, in _request
    conn = await self._connector.connect(
  File "C:\develop\python\lib\site-packages\aiohttp\connector.py", line 523, in connect
    proto = await self._create_connection(req, traces, timeout)
  File "C:\develop\python\lib\site-packages\aiohttp\connector.py", line 858, in _create_connection
    _, proto = await self._create_direct_connection(
  File "C:\develop\python\lib\site-packages\aiohttp\connector.py", line 1004, in _create_direct_connection
    raise last_exc
  File "C:\develop\python\lib\site-packages\aiohttp\connector.py", line 980, in _create_direct_connection
    transp, proto = await self._wrap_create_connection(
  File "C:\develop\python\lib\site-packages\aiohttp\connector.py", line 943, in _wrap_create_connection
    raise client_error(req.connection_key, exc) from exc
aiohttp.client_exceptions.ClientConnectorError: Cannot connect to host x.x.x.x:2333 ssl:default [リモート コンピューターによりネットワーク接続が拒否されました。]

(x.x.x.xは自分のIPです。隠させて頂きました)

該当のソースコード

python
1import discord
2import wavelink
3from discord.ext import commands
4
5
6class Bot(commands.Bot):
7
8    def __init__(self):
9        super(Bot, self).__init__(command_prefix=['audio ', 'wave ', 'aw '])
10
11        self.add_cog(Music(self))
12
13    async def on_ready(self):
14        print(f'Logged in as {self.user.name} | {self.user.id}')
15
16
17class Music(commands.Cog):
18
19    def __init__(self, bot):
20        self.bot = bot
21
22        if not hasattr(bot, 'wavelink'):
23            self.bot.wavelink = wavelink.Client(bot=self.bot)
24
25        self.bot.loop.create_task(self.start_nodes())
26
27    async def start_nodes(self):
28        await self.bot.wait_until_ready()
29
30        # Initiate our nodes. For this example we will use one server.
31        # Region should be a discord.py guild.region e.g sydney or us_central (Though this is not technically required)
32        await self.bot.wavelink.initiate_node(host='x.x.x.x',
33                                              port=2333,
34                                              rest_uri='http://x.x.x.x:2333',
35                                              password='',
36                                              identifier='TEST',
37                                              region='us_central')
38
39    @commands.command(name='connect')
40    async def connect_(self, ctx, *, channel: discord.VoiceChannel = None):
41        if not channel:
42            try:
43                channel = ctx.author.voice.channel
44            except AttributeError:
45                raise discord.DiscordException('No channel to join. Please either specify a valid channel or join one.')
46
47        player = self.bot.wavelink.get_player(ctx.guild.id)
48        await ctx.send(f'Connecting to **`{channel.name}`**')
49        await player.connect(channel.id)
50
51    @commands.command()
52    async def play(self, ctx, *, query: str):
53        tracks = await self.bot.wavelink.get_tracks(f'ytsearch:{query}')
54
55        if not tracks:
56            return await ctx.send('Could not find any songs with that query.')
57
58        player = self.bot.wavelink.get_player(ctx.guild.id)
59        if not player.is_connected:
60            await ctx.invoke(self.connect_)
61
62        await ctx.send(f'Added {str(tracks[0])} to the queue.')
63        await player.play(tracks[0])
64
65
66bot = Bot()
67bot.run('トークン')