ConnectionRefusedError: [Errno 111] Connect call failed ('149.154.167.51', 443)

Attempt 1 at connecting failed: ConnectionRefusedError: [Errno 111] Connect call failed ('149.154.167.51', 443)
Attempt 2 at connecting failed: ConnectionRefusedError: [Errno 111] Connect call failed ('149.154.167.51', 443)
Attempt 3 at connecting failed: ConnectionRefusedError: [Errno 111] Connect call failed ('149.154.167.51', 443)
Attempt 4 at connecting failed: ConnectionRefusedError: [Errno 111] Connect call failed ('149.154.167.51', 443)
Attempt 5 at connecting failed: ConnectionRefusedError: [Errno 111] Connect call failed ('149.154.167.51', 443)
Attempt 6 at connecting failed: ConnectionRefusedError: [Errno 111] Connect call failed ('149.154.167.51', 443)
Traceback (most recent call last):
File "/home/Rajpatel29/main.py", line 23, in
client.start()
File "/home/Rajpatel29/.local/lib/python3.10/site-packages/telethon/client/auth.py", line 128, in start
else self.loop.run_until_complete(coro)
File "/usr/local/lib/python3.10/asyncio/base_events.py", line 646, in run_until_complete
return future.result()
File "/home/Rajpatel29/.local/lib/python3.10/site-packages/telethon/client/auth.py", line 135, in _start
await self.connect()
File "/home/Rajpatel29/.local/lib/python3.10/site-packages/telethon/client/telegrambaseclient.py", line 538, in connect
if not await self._sender.connect(self._connection(
File "/home/Rajpatel29/.local/lib/python3.10/site-packages/telethon/network/mtprotosender.py", line 132, in connect
await self._connect()
File "/home/Rajpatel29/.local/lib/python3.10/site-packages/telethon/network/mtprotosender.py", line 258, in _connect
raise ConnectionError('Connection to Telegram failed {} time(s)'.format(self._retries))
ConnectionError: Connection to Telegram failed 5 time(s)