diff --git a/ipv4/mu.cidr b/ipv4/mu.cidr
index 02f2f4b5..e2b0e538 100644
--- a/ipv4/mu.cidr
+++ b/ipv4/mu.cidr
@@ -75,7 +75,6 @@
 196.47.64.0/19
 196.49.9.0/24
 196.50.2.0/24
-196.61.0.0/22
 196.192.0.0/20
 196.192.64.0/21
 196.192.80.0/22
diff --git a/ipv4/za.cidr b/ipv4/za.cidr
index a50a59f3..7f2bcec9 100644
--- a/ipv4/za.cidr
+++ b/ipv4/za.cidr
@@ -322,6 +322,7 @@
 102.214.144.0/22
 102.214.152.0/22
 102.214.172.0/22
+102.214.180.0/22
 102.214.184.0/24
 102.214.189.0/24
 102.214.192.0/21
diff --git a/ipv4/zz.cidr b/ipv4/zz.cidr
index a925405d..c47de0d8 100644
--- a/ipv4/zz.cidr
+++ b/ipv4/zz.cidr
@@ -135,7 +135,7 @@
 102.214.140.0/23
 102.214.143.0/24
 102.214.148.0/22
-102.214.176.0/21
+102.214.176.0/22
 102.214.186.0/23
 102.214.191.0/24
 102.214.200.0/22
@@ -368,7 +368,7 @@
 196.60.104.0/21
 196.60.112.0/20
 196.60.128.0/17
-196.61.4.0/22
+196.61.0.0/21
 196.62.0.0/15
 196.160.0.0/13
 196.192.192.0/18
diff --git a/ipv6/mu.cidr b/ipv6/mu.cidr
index 62b49308..3bddcea3 100644
--- a/ipv6/mu.cidr
+++ b/ipv6/mu.cidr
@@ -6,7 +6,6 @@
 2001:43b8::/32
 2001:43f8:90::/48
 2001:43f8:92::/48
-2001:43f8:220::/48
 2001:43f8:270::/47
 2001:43f8:280::/48
 2001:43f8:7a0::/48
diff --git a/ipv6/zz.cidr b/ipv6/zz.cidr
index ed4aaa64..02426d10 100644
--- a/ipv6/zz.cidr
+++ b/ipv6/zz.cidr
@@ -313,11 +313,7 @@
 2001:43f8:212::/47
 2001:43f8:214::/46
 2001:43f8:218::/45
-2001:43f8:221::/48
-2001:43f8:222::/47
-2001:43f8:224::/46
-2001:43f8:228::/45
-2001:43f8:230::/44
+2001:43f8:220::/43
 2001:43f8:242::/47
 2001:43f8:244::/46
 2001:43f8:248::/45