diff --git a/atlasbot/snapshot/builder.py b/atlasbot/snapshot/builder.py
index 4027296..10d02ca 100644
--- a/atlasbot/snapshot/builder.py
+++ b/atlasbot/snapshot/builder.py
@@ -705,6 +705,32 @@ def _append_namespace_requests(lines: list[str], summary: dict[str, Any]) -> Non
             lines.append("namespace_mem_requests_top: " + "; ".join(parts))
 
 
+def _append_namespace_io_net(lines: list[str], summary: dict[str, Any]) -> None:
+    metrics = summary.get("metrics") if isinstance(summary.get("metrics"), dict) else {}
+    net_top = metrics.get("namespace_net_top") if isinstance(metrics.get("namespace_net_top"), list) else []
+    io_top = metrics.get("namespace_io_top") if isinstance(metrics.get("namespace_io_top"), list) else []
+    if net_top:
+        parts = []
+        for entry in net_top:
+            metric = entry.get("metric") if isinstance(entry, dict) else {}
+            namespace = metric.get("namespace")
+            value = entry.get("value")
+            if namespace:
+                parts.append(f"{namespace}={_format_rate_bytes(value)}")
+        if parts:
+            lines.append("namespace_net_top: " + "; ".join(parts))
+    if io_top:
+        parts = []
+        for entry in io_top:
+            metric = entry.get("metric") if isinstance(entry, dict) else {}
+            namespace = metric.get("namespace")
+            value = entry.get("value")
+            if namespace:
+                parts.append(f"{namespace}={_format_rate_bytes(value)}")
+        if parts:
+            lines.append("namespace_io_top: " + "; ".join(parts))
+
+
 def _append_pod_usage(lines: list[str], summary: dict[str, Any]) -> None:
     metrics = summary.get("metrics") if isinstance(summary.get("metrics"), dict) else {}
     cpu_top = metrics.get("pod_cpu_top") if isinstance(metrics.get("pod_cpu_top"), list) else []
@@ -873,6 +899,7 @@ def summary_text(snapshot: dict[str, Any] | None) -> str:
     _append_node_usage_stats(lines, summary)
     _append_namespace_usage(lines, summary)
     _append_namespace_requests(lines, summary)
+    _append_namespace_io_net(lines, summary)
     _append_pod_usage(lines, summary)
     _append_restarts(lines, summary)
     _append_job_failures(lines, summary)