diff --git a/blacklist.txt b/blacklist.txt
index d11c0d90..2120bdd3 100644
--- a/blacklist.txt
+++ b/blacklist.txt
@@ -2201,4 +2201,5 @@
 152.32.233.95
 180.106.57.198
 84.235.83.162
-185.29.93.18
\ No newline at end of file
+185.29.93.18
+37.21.48.126
\ No newline at end of file
diff --git a/logs/2024/2/4.txt b/logs/2024/2/4.txt
index 3fc55e44..91d23e22 100644
--- a/logs/2024/2/4.txt
+++ b/logs/2024/2/4.txt
@@ -904,3 +904,4 @@
 2024-02-04T16:18:30+01:00 server=':23' addr='180.106.57.198' country='China' city='' postal='' asn.id='4134' asn.name='Chinanet'
 2024-02-04T16:18:40+01:00 server=':445' addr='84.235.83.162' hostname='84-235-83-162.saudi.net.sa.' country='Saudi Arabia' city='Riyadh' postal='' asn.id='25019' asn.name='Saudi Telecom Company JSC'
 2024-02-04T16:18:40+01:00 server=':445' addr='185.29.93.18' country='Saudi Arabia' city='Riyadh' postal='' asn.id='29255' asn.name='GulfNet KSA'
+2024-02-04T16:20:12+01:00 server=':445' addr='37.21.48.126' country='Russia' city='Chita' postal='672000' asn.id='12389' asn.name='Rostelecom'