diff --git a/all/ipv4.txt b/all/ipv4.txt
index ad65b22d..72896f65 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -27876,6 +27876,7 @@
 51.0.104.0/21
 51.0.112.0/21
 51.0.128.0/23
+51.1.0.0/16
 51.4.0.0/15
 51.4.0.0/17
 51.4.32.0/19
@@ -28670,6 +28671,7 @@
 51.21.0.0/16
 51.24.0.0/13
 51.34.0.0/15
+51.42.0.0/16
 51.44.0.0/16
 51.45.0.0/16
 51.46.0.0/15
@@ -28874,6 +28876,8 @@
 51.53.191.144/28
 51.53.192.0/21
 51.53.200.0/21
+51.54.0.0/15
+51.56.0.0/14
 51.84.0.0/16
 51.85.0.0/16
 51.86.0.0/15
@@ -29688,6 +29692,8 @@
 51.107.255.180/30
 51.107.255.184/29
 51.107.255.192/26
+51.109.0.0/16
+51.111.0.0/16
 51.112.0.0/16
 51.112.11.64/28
 51.112.11.80/28
@@ -30464,6 +30470,7 @@
 51.124.139.156/32
 51.124.140.143/32
 51.124.143.77/32
+51.126.0.0/16
 51.132.0.0/16
 51.132.0.0/18
 51.132.29.107/32
@@ -48312,6 +48319,7 @@
 172.191.252.240/28
 172.191.253.64/26
 172.191.253.128/25
+172.192.0.0/13
 172.200.0.0/13
 172.200.0.0/16
 172.201.0.0/16
diff --git a/all/ipv4_merged.txt b/all/ipv4_merged.txt
index 37003cd4..418c266f 100644
--- a/all/ipv4_merged.txt
+++ b/all/ipv4_merged.txt
@@ -1033,6 +1033,7 @@
 51.0.96.0/20
 51.0.112.0/21
 51.0.128.0/23
+51.1.0.0/16
 51.4.0.0/15
 51.8.0.0/16
 51.10.0.0/15
@@ -1042,9 +1043,12 @@
 51.20.0.0/15
 51.24.0.0/13
 51.34.0.0/15
+51.42.0.0/16
 51.44.0.0/14
 51.51.0.0/16
 51.53.0.0/16
+51.54.0.0/15
+51.56.0.0/14
 51.84.0.0/14
 51.92.0.0/14
 51.96.0.0/16
@@ -1052,11 +1056,14 @@
 51.103.0.0/16
 51.104.0.0/15
 51.107.0.0/16
+51.109.0.0/16
+51.111.0.0/16
 51.112.0.0/16
 51.116.0.0/16
 51.118.0.0/15
 51.120.0.0/16
 51.124.0.0/16
+51.126.0.0/16
 51.132.0.0/16
 51.136.0.0/15
 51.138.0.0/16
@@ -2801,7 +2808,7 @@
 172.105.248.0/21
 172.110.32.0/21
 172.128.0.0/10
-172.200.0.0/13
+172.192.0.0/12
 172.208.0.0/13
 172.217.0.0/16
 172.232.0.0/18
diff --git a/microsoft/ipv4.txt b/microsoft/ipv4.txt
index 496edaf1..cc4892fa 100644
--- a/microsoft/ipv4.txt
+++ b/microsoft/ipv4.txt
@@ -21307,6 +21307,7 @@
 50.20.64.0/19
 50.20.128.0/18
 50.85.0.0/16
+51.1.0.0/16
 51.4.0.0/15
 51.4.0.0/17
 51.4.32.0/19
@@ -22078,6 +22079,7 @@
 51.18.40.72/29
 51.18.40.80/28
 51.18.40.96/28
+51.42.0.0/16
 51.51.0.0/16
 51.53.0.0/16
 51.53.0.0/18
@@ -22279,6 +22281,8 @@
 51.53.191.144/28
 51.53.192.0/21
 51.53.200.0/21
+51.54.0.0/15
+51.56.0.0/14
 51.103.0.0/16
 51.103.0.0/17
 51.103.3.127/32
@@ -23084,6 +23088,8 @@
 51.107.255.180/30
 51.107.255.184/29
 51.107.255.192/26
+51.109.0.0/16
+51.111.0.0/16
 51.116.0.0/16
 51.116.0.0/18
 51.116.0.0/32
@@ -23855,6 +23861,7 @@
 51.124.139.156/32
 51.124.140.143/32
 51.124.143.77/32
+51.126.0.0/16
 51.132.0.0/16
 51.132.0.0/18
 51.132.29.107/32
@@ -35354,6 +35361,7 @@
 172.191.252.240/28
 172.191.253.64/26
 172.191.253.128/25
+172.192.0.0/13
 172.200.0.0/13
 172.200.0.0/16
 172.201.0.0/16
diff --git a/microsoft/ipv4_merged.txt b/microsoft/ipv4_merged.txt
index ec048868..cfe73353 100644
--- a/microsoft/ipv4_merged.txt
+++ b/microsoft/ipv4_merged.txt
@@ -49,19 +49,26 @@
 50.20.64.0/19
 50.20.128.0/18
 50.85.0.0/16
+51.1.0.0/16
 51.4.0.0/15
 51.8.0.0/16
 51.10.0.0/15
 51.12.0.0/15
 51.18.0.0/16
+51.42.0.0/16
 51.51.0.0/16
 51.53.0.0/16
+51.54.0.0/15
+51.56.0.0/14
 51.103.0.0/16
 51.104.0.0/15
 51.107.0.0/16
+51.109.0.0/16
+51.111.0.0/16
 51.116.0.0/16
 51.120.0.0/16
 51.124.0.0/16
+51.126.0.0/16
 51.132.0.0/16
 51.136.0.0/15
 51.138.0.0/16
@@ -275,7 +282,7 @@
 169.138.0.0/16
 170.165.0.0/16
 172.128.0.0/10
-172.200.0.0/13
+172.192.0.0/12
 172.208.0.0/13
 173.200.0.0/16
 191.232.0.0/13