diff --git a/deploy/systemd/bin/metinctl.in b/deploy/systemd/bin/metinctl.in
index 8daa945..f7f1935 100644
--- a/deploy/systemd/bin/metinctl.in
+++ b/deploy/systemd/bin/metinctl.in
@@ -58,6 +58,12 @@ def parse_args() -> argparse.Namespace:
     auth_activity.add_argument("--include-smoke", action="store_true", help="Include smoke-test logins")
     auth_activity.add_argument("--json", action="store_true", help="Print raw JSON")
 
+    auth_ips = subparsers.add_parser("auth-ips", help="Summarize auth activity by source IP")
+    auth_ips.add_argument("--hours", type=int, default=24, help="How many hours back to inspect")
+    auth_ips.add_argument("--limit", type=int, default=20, help="Maximum IPs to show")
+    auth_ips.add_argument("--include-smoke", action="store_true", help="Include smoke-test logins")
+    auth_ips.add_argument("--json", action="store_true", help="Print raw JSON")
+
     sessions = subparsers.add_parser("sessions", help="Show recent login sessions from loginlog2")
     sessions.add_argument("--hours", type=int, default=24, help="How many hours back to inspect")
     sessions.add_argument("--limit", type=int, default=20, help="Maximum sessions to show")
@@ -65,6 +71,13 @@ def parse_args() -> argparse.Namespace:
     sessions.add_argument("--include-orphans", action="store_true", help="Include rows whose account login no longer exists")
     sessions.add_argument("--json", action="store_true", help="Print raw JSON")
 
+    session_audit = subparsers.add_parser("session-audit", help="Show stale open sessions without logout")
+    session_audit.add_argument("--hours", type=int, default=72, help="How many hours back to inspect")
+    session_audit.add_argument("--stale-minutes", type=int, default=30, help="Minimum age for an open session to be considered stale")
+    session_audit.add_argument("--limit", type=int, default=20, help="Maximum sessions to show")
+    session_audit.add_argument("--include-orphans", action="store_true", help="Include rows whose account login no longer exists")
+    session_audit.add_argument("--json", action="store_true", help="Print raw JSON")
+
     status_parser = subparsers.add_parser("status", help="Show current unit state")
     status_parser.add_argument("target", nargs="?", default="all", help="stack, db, auth, game, channel:<id>, instance:<name>")
 
@@ -402,6 +415,75 @@ LIMIT {int(limit)}
     return entries
 
 
+def fetch_stale_sessions(hours: int, stale_minutes: int, limit: int, include_orphans: bool) -> list[dict[str, str]]:
+    where_clauses = [
+        f"l.login_time >= NOW() - INTERVAL {int(hours)} HOUR",
+        "l.logout_time IS NULL",
+        f"TIMESTAMPDIFF(MINUTE, l.login_time, NOW()) >= {int(stale_minutes)}",
+    ]
+    if not include_orphans:
+        where_clauses.append("a.login IS NOT NULL")
+
+    query = f"""
+SELECT
+  DATE_FORMAT(l.login_time, '%Y-%m-%d %H:%i:%s'),
+  l.type,
+  COALESCE(a.login, ''),
+  l.account_id,
+  l.pid,
+  COALESCE(INET_NTOA(l.ip), ''),
+  TIMESTAMPDIFF(MINUTE, l.login_time, NOW())
+FROM log.loginlog2 l
+LEFT JOIN account.account a ON a.id = l.account_id
+WHERE {' AND '.join(where_clauses)}
+ORDER BY l.login_time DESC
+LIMIT {int(limit)}
+""".strip()
+
+    entries: list[dict[str, str]] = []
+    for row in run_mariadb_query(query):
+        while len(row) < 7:
+            row.append("")
+        login_time, raw_type, login, account_id, pid, ip, age_minutes = row[:7]
+        entries.append(
+            {
+                "login_time": login_time,
+                "raw_type": raw_type,
+                "login": login or f"<missing:{account_id}>",
+                "account_id": account_id,
+                "pid": pid,
+                "ip": ip or "-",
+                "age_minutes": age_minutes or "0",
+            }
+        )
+    return entries
+
+
+def count_stale_sessions(hours: int, stale_minutes: int, include_orphans: bool) -> int:
+    where_clauses = [
+        f"l.login_time >= NOW() - INTERVAL {int(hours)} HOUR",
+        "l.logout_time IS NULL",
+        f"TIMESTAMPDIFF(MINUTE, l.login_time, NOW()) >= {int(stale_minutes)}",
+    ]
+    if not include_orphans:
+        where_clauses.append("a.login IS NOT NULL")
+
+    query = f"""
+SELECT COUNT(*)
+FROM log.loginlog2 l
+LEFT JOIN account.account a ON a.id = l.account_id
+WHERE {' AND '.join(where_clauses)}
+""".strip()
+
+    rows = run_mariadb_query(query)
+    if not rows or not rows[0]:
+        return 0
+    try:
+        return int(rows[0][0])
+    except ValueError:
+        return 0
+
+
 def live_ports() -> set[int]:
     if shutil.which("ss") is None:
         return set()
@@ -478,6 +560,9 @@ def print_summary(hours: int, include_smoke: bool, as_json: bool) -> int:
     listening = live_ports()
     port_rows = iter_port_rows()
     auth_summary = summarize_auth_activity(hours, include_smoke)
+    stale_session_count = count_stale_sessions(hours=max(hours, 1), stale_minutes=30, include_orphans=False)
+    stale_total_count = count_stale_sessions(hours=max(hours, 1), stale_minutes=30, include_orphans=True)
+    stale_orphan_count = max(stale_total_count - stale_session_count, 0)
     repos = {
         "m2dev-server": git_summary(REPO_ROOT),
         "m2dev-server-src": git_summary(SOURCE_REPO_ROOT),
@@ -499,6 +584,11 @@ def print_summary(hours: int, include_smoke: bool, as_json: bool) -> int:
             for row in port_rows
         ],
         "auth": auth_summary,
+        "stale_open_sessions": {
+            "user_count": stale_session_count,
+            "orphan_count": stale_orphan_count,
+            "total_count": stale_total_count,
+        },
         "core_count": core_count,
         "incident_count": incident_count,
     }
@@ -533,6 +623,7 @@ def print_summary(hours: int, include_smoke: bool, as_json: bool) -> int:
     print(f"game instances active: {game_active}/{len(enabled_game_units)} enabled ({len(game_units)} declared)")
     print(f"core files: {core_count}")
     print(f"incident bundles: {incident_count}")
+    print(f"stale open sessions (>30m): {stale_session_count} user, {stale_orphan_count} orphan")
     print()
 
     print("Public Ports")
@@ -603,6 +694,83 @@ def print_auth_activity(hours: int, limit: int, status: str, include_smoke: bool
     return 0
 
 
+def print_auth_ips(hours: int, limit: int, include_smoke: bool, as_json: bool) -> int:
+    events = filter_auth_events(hours, include_smoke, "all")
+    grouped: dict[str, dict[str, object]] = {}
+
+    for event in events:
+        ip = str(event["ip"])
+        bucket = grouped.setdefault(
+            ip,
+            {
+                "ip": ip,
+                "success_count": 0,
+                "failure_count": 0,
+                "last_seen": event["time"],
+                "last_login": str(event["login"]),
+                "last_reason": str(event["reason"]),
+            },
+        )
+        if event["status"] == "success":
+            bucket["success_count"] = int(bucket["success_count"]) + 1
+        else:
+            bucket["failure_count"] = int(bucket["failure_count"]) + 1
+        if event["time"] >= bucket["last_seen"]:
+            bucket["last_seen"] = event["time"]
+            bucket["last_login"] = str(event["login"])
+            bucket["last_reason"] = str(event["reason"])
+
+    rows = sorted(
+        grouped.values(),
+        key=lambda item: (
+            int(item["failure_count"]),
+            int(item["success_count"]),
+            item["last_seen"],
+        ),
+        reverse=True,
+    )[:limit]
+
+    payload = {
+        "window_hours": hours,
+        "limit": limit,
+        "include_smoke": include_smoke,
+        "count": len(rows),
+        "entries": [
+            {
+                "ip": str(row["ip"]),
+                "success_count": int(row["success_count"]),
+                "failure_count": int(row["failure_count"]),
+                "last_seen": row["last_seen"].strftime("%Y-%m-%d %H:%M:%S"),
+                "last_login": str(row["last_login"]),
+                "last_reason": str(row["last_reason"]),
+            }
+            for row in rows
+        ],
+    }
+
+    if as_json:
+        print(json.dumps(payload, indent=2))
+        return 0
+
+    if not rows:
+        print(f"No auth IP activity in the last {hours}h.")
+        return 0
+
+    table_rows = [
+        [
+            str(row["ip"]),
+            str(row["success_count"]),
+            str(row["failure_count"]),
+            row["last_seen"].strftime("%Y-%m-%d %H:%M:%S"),
+            str(row["last_login"]),
+            str(row["last_reason"]),
+        ]
+        for row in rows
+    ]
+    print_table(["ip", "success", "failure", "last_seen", "last_login", "last_reason"], table_rows)
+    return 0
+
+
 def resolve_target_units(target: str) -> list[str]:
     normalized = target.strip().lower()
 
@@ -797,6 +965,41 @@ def print_sessions(hours: int, limit: int, active_only: bool, include_orphans: b
     return 0
 
 
+def print_session_audit(hours: int, stale_minutes: int, limit: int, include_orphans: bool, as_json: bool) -> int:
+    entries = fetch_stale_sessions(hours, stale_minutes, limit, include_orphans)
+    payload = {
+        "window_hours": hours,
+        "stale_minutes": stale_minutes,
+        "limit": limit,
+        "include_orphans": include_orphans,
+        "count": len(entries),
+        "entries": entries,
+    }
+
+    if as_json:
+        print(json.dumps(payload, indent=2))
+        return 0
+
+    if not entries:
+        print(f"No stale open sessions older than {stale_minutes} minutes in the last {hours}h.")
+        return 0
+
+    rows = [
+        [
+            entry["login_time"],
+            entry["age_minutes"],
+            entry["login"],
+            entry["account_id"],
+            entry["pid"],
+            entry["ip"],
+            entry["raw_type"],
+        ]
+        for entry in entries
+    ]
+    print_table(["login_time", "age_min", "login", "account", "pid", "ip", "raw_type"], rows)
+    return 0
+
+
 def run_healthcheck(mode: str) -> int:
     if not HEALTHCHECK_PATH.exists():
         raise SystemExit(f"Missing healthcheck wrapper: {HEALTHCHECK_PATH}")
@@ -853,6 +1056,8 @@ def main() -> int:
         return print_summary(args.hours, args.include_smoke, args.json)
     if args.command == "auth-activity":
         return print_auth_activity(args.hours, args.limit, args.status, args.include_smoke, args.json)
+    if args.command == "auth-ips":
+        return print_auth_ips(args.hours, args.limit, args.include_smoke, args.json)
     if args.command == "status":
         return print_status(args.target)
     if args.command == "ports":
@@ -865,6 +1070,8 @@ def main() -> int:
         return print_auth_failures(args.hours, args.limit, args.include_smoke, args.json)
     if args.command == "sessions":
         return print_sessions(args.hours, args.limit, args.active_only, args.include_orphans, args.json)
+    if args.command == "session-audit":
+        return print_session_audit(args.hours, args.stale_minutes, args.limit, args.include_orphans, args.json)
     if args.command in {"start", "stop", "restart"}:
         return run_unit_action(args.command, args.target)
     if args.command == "logs":
diff --git a/docs/server-management.md b/docs/server-management.md
index 336aa2e..9d19fea 100644
--- a/docs/server-management.md
+++ b/docs/server-management.md
@@ -34,12 +34,14 @@ The Debian deployment installs:
 
 - showing an operational summary
 - showing recent auth success/failure activity
+- showing auth activity grouped by source IP
 - viewing inventory
 - listing managed units
 - checking service status
 - listing declared ports
 - listing recent auth failures
 - listing recent login sessions
+- listing stale open sessions without logout
 - restarting the whole stack or specific channels/instances
 - viewing logs
 - listing core files in the runtime tree
@@ -91,6 +93,12 @@ Show only recent auth failures including smoke tests:
 metinctl auth-activity --status failure --include-smoke
 ```
 
+Show auth activity grouped by IP:
+
+```bash
+metinctl auth-ips
+```
+
 Include smoke-test failures too:
 
 ```bash
@@ -109,6 +117,18 @@ Show only sessions that still have no recorded logout:
 metinctl sessions --active-only
 ```
 
+Show stale open sessions older than 30 minutes:
+
+```bash
+metinctl session-audit
+```
+
+Use a different stale threshold:
+
+```bash
+metinctl session-audit --stale-minutes 10
+```
+
 Restart only channel 1 cores:
 
 ```bash