diff --git a/ipv4/ec.cidr b/ipv4/ec.cidr
index f684d5153..3e054a3b7 100644
--- a/ipv4/ec.cidr
+++ b/ipv4/ec.cidr
@@ -273,6 +273,7 @@
 200.63.192.0/18
 200.69.160.0/19
 200.73.200.0/21
+200.76.112.0/22
 200.77.188.0/22
 200.85.80.0/21
 200.93.192.0/19
diff --git a/ipv4/mx.cidr b/ipv4/mx.cidr
index df4db0ecd..d12b1d294 100644
--- a/ipv4/mx.cidr
+++ b/ipv4/mx.cidr
@@ -590,7 +590,12 @@
 200.67.0.0/16
 200.68.128.0/18
 200.71.108.0/22
-200.76.0.0/16
+200.76.0.0/18
+200.76.64.0/19
+200.76.96.0/20
+200.76.116.0/22
+200.76.120.0/21
+200.76.128.0/17
 200.77.0.0/17
 200.77.128.0/19
 200.77.160.0/20
diff --git a/ipv6/br.cidr b/ipv6/br.cidr
index 1a1ed29b0..2b6439051 100644
--- a/ipv6/br.cidr
+++ b/ipv6/br.cidr
@@ -60,7 +60,7 @@
 2801:80:250::/48
 2801:80:260::/48
 2801:80:270::/48
-2801:80:280::/48
+2801:80:280::/44
 2801:80:290::/48
 2801:80:2a0::/48
 2801:80:2b0::/48