diff --git a/ip-ranges.json b/ip-ranges.json
index fb76a5a..306c04b 100644
--- a/ip-ranges.json
+++ b/ip-ranges.json
@@ -1,6 +1,6 @@
 {
-  "syncToken": "1778269025",
-  "createDate": "2026-05-08-19-37-05",
+  "syncToken": "1778511425",
+  "createDate": "2026-05-11-14-57-05",
   "prefixes": [
     {
       "ip_prefix": "3.4.12.4/32",
@@ -72204,9 +72204,9 @@
     },
     {
       "ipv6_prefix": "2600:1f10:8000::/36",
-      "region": "us-east-1",
+      "region": "us-south-1",
       "service": "AMAZON",
-      "network_border_group": "us-east-1-wl1-bos-wlz-1"
+      "network_border_group": "us-south-1"
     },
     {
       "ipv6_prefix": "2600:1f2c:c000::/36",
@@ -74544,9 +74544,9 @@
     },
     {
       "ipv6_prefix": "2600:1f20:8000::/36",
-      "region": "us-east-1",
+      "region": "us-south-1",
       "service": "AMAZON",
-      "network_border_group": "us-east-1-wl1-bos-wlz-1"
+      "network_border_group": "us-south-1"
     },
     {
       "ipv6_prefix": "2600:1f33:6000::/40",
@@ -89598,9 +89598,9 @@
     },
     {
       "ipv6_prefix": "2600:1f10:8000::/36",
-      "region": "us-east-1",
+      "region": "us-south-1",
       "service": "EC2",
-      "network_border_group": "us-east-1-wl1-bos-wlz-1"
+      "network_border_group": "us-south-1"
     },
     {
       "ipv6_prefix": "2600:1f2c:c000::/36",
@@ -91446,9 +91446,9 @@
     },
     {
       "ipv6_prefix": "2600:1f20:8000::/36",
-      "region": "us-east-1",
+      "region": "us-south-1",
       "service": "EC2",
-      "network_border_group": "us-east-1-wl1-bos-wlz-1"
+      "network_border_group": "us-south-1"
     },
     {
       "ipv6_prefix": "2600:1f33:6000::/40",