diff --git a/all/ipv4.txt b/all/ipv4.txt
index 4b804c6a3..826edadf1 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -43039,7 +43039,6 @@
 68.233.120.0/21
 69.12.56.0/21
 69.12.56.0/24
-69.12.57.0/24
 69.12.58.0/24
 69.12.59.0/24
 69.12.60.0/24
diff --git a/twitter/ipv4.txt b/twitter/ipv4.txt
index 0b08e7169..d4bcb95fc 100644
--- a/twitter/ipv4.txt
+++ b/twitter/ipv4.txt
@@ -71,7 +71,6 @@
 64.63.63.0/24
 69.12.56.0/21
 69.12.56.0/24
-69.12.57.0/24
 69.12.58.0/24
 69.12.59.0/24
 69.12.60.0/24