diff --git a/AdGuardHomeDisallowedIPs.txt b/AdGuardHomeDisallowedIPs.txt
index 6382b8868..7f295645b 100644
--- a/AdGuardHomeDisallowedIPs.txt
+++ b/AdGuardHomeDisallowedIPs.txt
@@ -154,6 +154,12 @@
 195.128.120.0/21
 2a03:5a00:1::/48
 2a0f:6f80::/29
+! JSC "RU-CENTER"
+31.177.76.0/24
+31.177.84.0/24
+89.111.160.0/21
+! Contel OOO
+109.248.10.0/23
 
 ! 🇺🇦 Ukraine
 ! Kyivski Telekomunikatsiyni Merezhi