diff --git a/aiogram/dispatcher/webhook.py b/aiogram/dispatcher/webhook.py
index 8e483255..bee635ae 100644
--- a/aiogram/dispatcher/webhook.py
+++ b/aiogram/dispatcher/webhook.py
@@ -5,6 +5,7 @@ import functools
 import ipaddress
 import itertools
 import typing
+import logging
 from typing import Dict, List, Optional, Union
 
 from aiohttp import web
@@ -35,6 +36,8 @@ TELEGRAM_SUBNET_2 = ipaddress.IPv4Network('91.108.4.0/22')
 
 allowed_ips = set()
 
+log = logging.getLogger(__name__)
+
 
 def _check_ip(ip: str) -> bool:
     """
@@ -258,7 +261,9 @@ class WebhookRequestHandler(web.View):
         if self.request.app.get('_check_ip', False):
             ip_address, accept = self.check_ip()
             if not accept:
+                log.warning(f"Blocking request from an unauthorized IP: {ip_address}")
                 raise web.HTTPUnauthorized()
+
             # context.set_value('TELEGRAM_IP', ip_address)