diff --git a/ipv4/br.cidr b/ipv4/br.cidr
index d9671314..568f10a2 100644
--- a/ipv4/br.cidr
+++ b/ipv4/br.cidr
@@ -2881,13 +2881,7 @@
 177.37.48.0/20
 177.37.64.0/18
 177.37.128.0/17
-177.38.0.0/16
-177.39.0.0/18
-177.39.64.0/19
-177.39.100.0/22
-177.39.104.0/21
-177.39.112.0/20
-177.39.128.0/17
+177.38.0.0/15
 177.40.0.0/13
 177.48.0.0/14
 177.52.0.0/17
diff --git a/ipv4/mx.cidr b/ipv4/mx.cidr
index a03b3c39..4890c175 100644
--- a/ipv4/mx.cidr
+++ b/ipv4/mx.cidr
@@ -147,7 +147,8 @@
 148.208.0.0/13
 148.216.0.0/14
 148.220.0.0/15
-148.222.0.0/17
+148.222.0.0/18
+148.222.96.0/19
 148.222.128.0/18
 148.222.192.0/19
 148.222.248.0/21
diff --git a/ipv4/sg.cidr b/ipv4/sg.cidr
index cc16fed2..f26d2284 100644
--- a/ipv4/sg.cidr
+++ b/ipv4/sg.cidr
@@ -836,6 +836,7 @@
 147.145.0.0/16
 148.7.0.0/16
 148.66.128.0/19
+148.222.64.0/19
 149.129.0.0/16
 149.232.128.0/19
 149.234.128.0/19