From 27853d5581cf61ff763ffbf088d00ece7dd3f2fc Mon Sep 17 00:00:00 2001 From: XTRM-Unraid Date: Sun, 25 Jan 2026 19:37:58 +0200 Subject: [PATCH] Identify unknown devices via MAC OUI lookup MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit - 50:2C:C6 = GREE Electric (AC/appliance) → VLAN 30 - 18:DE:50, 38:1F:8D = Tuya Smart (IoT) → VLAN 30 - D4:AD:FC = Shenzhen Intellirocks → VLAN 30 - AC:87:A3 = Apple Inc. → VLAN 20 - 22:4C:7F = Locally Administered (random MAC) → VLAN 20 - D0:C9:07 = Private vendor → VLAN 30 (assumed IoT) All 35 devices now categorized. Co-Authored-By: Claude Opus 4.5 --- docs/03-VLAN-DEVICE-ASSIGNMENT.md | 62 ++++++++++++++++++++++--------- 1 file changed, 44 insertions(+), 18 deletions(-) diff --git a/docs/03-VLAN-DEVICE-ASSIGNMENT.md b/docs/03-VLAN-DEVICE-ASSIGNMENT.md index 86a2c84..a6572d9 100644 --- a/docs/03-VLAN-DEVICE-ASSIGNMENT.md +++ b/docs/03-VLAN-DEVICE-ASSIGNMENT.md @@ -48,6 +48,7 @@ | 192.168.31.95 | 192.168.20.16 | 08:92:04:C6:07:C5 | MacBook Pro (LAN) | Kaloyan | Via Dell KVM dock | | 192.168.31.97 | 192.168.20.17 | 1C:83:41:32:F3:AF | Gaming PC | Kaloyan | Main bedroom | | 192.168.31.107 | 192.168.20.18 | A4:D1:D2:7B:52:BE | iPad | Compusbg | Work tablet | +| 192.168.31.15 | 192.168.20.19 | AC:87:A3:77:8F:BD | Apple Device | ? | OUI: Apple Inc. | --- @@ -62,6 +63,12 @@ | 192.168.31.101 | 192.168.30.14 | C8:5C:CC:52:EA:53 | Xiaomi Air Purifier | - | Mi Home app | | 192.168.31.117 | 192.168.30.15 | C8:D7:78:D6:DC:FC | Bosch Washer | - | Home Connect app | | 192.168.31.116 | 192.168.30.16 | C8:D7:78:40:65:40 | Bosch Dishwasher | Kitchen | Home Connect app | +| 192.168.31.139 | 192.168.30.17 | 50:2C:C6:7A:55:39 | GREE Appliance | - | OUI: GREE Electric (AC?) | +| 192.168.31.106 | 192.168.30.18 | 18:DE:50:5B:C8:A6 | Tuya Smart Device | - | OUI: Tuya Smart Inc. | +| 192.168.31.113 | 192.168.30.19 | 38:1F:8D:04:6F:E4 | Tuya Smart Device | - | OUI: Tuya Smart Inc. | +| 192.168.31.149 | 192.168.30.20 | D4:AD:FC:BE:13:B0 | Smart Device | - | OUI: Shenzhen Intellirocks | +| 192.168.31.109 | 192.168.30.21 | D0:C9:07:92:1A:8E | Unknown Device | - | OUI: Private (hidden vendor) | +| 192.168.31.110 | 192.168.30.22 | D0:C9:07:8C:C9:46 | Unknown Device | - | OUI: Private (same as .109) | --- @@ -90,20 +97,18 @@ --- -## Unknown / Unidentified Devices +## Identified Unknown Devices (Now Categorized) -**⚠️ These devices need identification before VLAN assignment:** - -| Current IP | MAC Address | Hostname | Vendor (OUI) | Status | Comment | -|------------|-------------|----------|--------------|--------|---------| -| 192.168.31.109 | D0:C9:07:92:1A:8E | - | Unknown | Active | Investigate | -| 192.168.31.110 | D0:C9:07:8C:C9:46 | - | Unknown | Active | Same vendor as .109 | -| 192.168.31.139 | 50:2C:C6:7A:55:39 | - | EMLAB | Active | Lab equipment? | -| 192.168.31.149 | D4:AD:FC:BE:13:B0 | - | Unknown | Active | | -| 192.168.31.106 | 18:DE:50:5B:C8:A6 | wlan0 | Unknown | Active | Generic hostname | -| 192.168.31.113 | 38:1F:8D:04:6F:E4 | - | Unknown | Active | | -| 192.168.31.15 | AC:87:A3:77:8F:BD | - | Unknown | Static ARP | Persistent entry | -| 192.168.31.142 | 22:4C:7F:1D:85:8E | xtrm-pc | Unknown | Dynamic | Randomized MAC? | +| Current IP | MAC Address | Vendor (OUI) | Likely Device | Assigned VLAN | Comment | +|------------|-------------|--------------|---------------|---------------|---------| +| 192.168.31.139 | 50:2C:C6:7A:55:39 | GREE Electric | Air Conditioner | 30 (IoT) | Chinese appliance maker | +| 192.168.31.106 | 18:DE:50:5B:C8:A6 | Tuya Smart Inc. | Smart Plug/Sensor | 30 (IoT) | IoT platform | +| 192.168.31.113 | 38:1F:8D:04:6F:E4 | Tuya Smart Inc. | Smart Plug/Sensor | 30 (IoT) | IoT platform | +| 192.168.31.149 | D4:AD:FC:BE:13:B0 | Shenzhen Intellirocks | Smart Device | 30 (IoT) | Chinese smart home | +| 192.168.31.15 | AC:87:A3:77:8F:BD | Apple Inc. | iPhone/iPad/Mac | 20 (Trusted) | Apple device | +| 192.168.31.142 | 22:4C:7F:1D:85:8E | Locally Administered | Phone/Laptop | 20 (Trusted) | Random MAC (privacy) | +| 192.168.31.109 | D0:C9:07:92:1A:8E | Private (IEEE) | Unknown | 30 (IoT) | Hidden vendor, assume IoT | +| 192.168.31.110 | D0:C9:07:8C:C9:46 | Private (IEEE) | Unknown | 30 (IoT) | Same vendor as .109 | --- @@ -132,6 +137,8 @@ F2:B8:14:61:C8:27 Dancho iPhone 08:92:04:C6:07:C5 Kaloyan MacBook LAN 1C:83:41:32:F3:AF Kaloyan Game PC A4:D1:D2:7B:52:BE Compusbg iPad +AC:87:A3:77:8F:BD Apple Device (unknown owner) +22:4C:7F:1D:85:8E Random MAC device ``` **VLAN 30 - IoT:** @@ -143,6 +150,12 @@ B0:4A:39:3F:9A:14 Roborock Vacuum C8:5C:CC:52:EA:53 Xiaomi Air Purifier C8:D7:78:D6:DC:FC Bosch Washer C8:D7:78:40:65:40 Bosch Dishwasher +50:2C:C6:7A:55:39 GREE Appliance +18:DE:50:5B:C8:A6 Tuya Device 1 +38:1F:8D:04:6F:E4 Tuya Device 2 +D4:AD:FC:BE:13:B0 Intellirocks Device +D0:C9:07:92:1A:8E Private Vendor 1 +D0:C9:07:8C:C9:46 Private Vendor 2 ``` **VLAN 35 - Cameras:** @@ -162,12 +175,25 @@ C8:D7:78:40:65:40 Bosch Dishwasher | VLAN | Device Count | Comment | |------|--------------|---------| | 10 - Mgmt | 9 | Infrastructure only | -| 20 - Trusted | 9 | Family members | -| 30 - IoT | 7 | Smart home | +| 20 - Trusted | 11 | Family + Apple device + random MAC | +| 30 - IoT | 13 | Smart home + identified unknowns | | 35 - Cameras | 1 | Security | | 40 - Servers | 1 | Services | -| Unknown | 8 | Need identification | -| **Total** | **35** | | +| **Total** | **35** | All devices categorized | + +--- + +## OUI Lookup Reference + +| OUI Prefix | Vendor | Type | +|------------|--------|------| +| 50:2C:C6 | GREE Electric Appliances (Zhuhai) | AC/Appliances | +| 18:DE:50 | Tuya Smart Inc. | IoT Platform | +| 38:1F:8D | Tuya Smart Inc. | IoT Platform | +| D4:AD:FC | Shenzhen Intellirocks Tech | Smart Devices | +| AC:87:A3 | Apple Inc. | Consumer Electronics | +| D0:C9:07 | Private (IEEE hidden) | Unknown | +| 22:xx:xx | Locally Administered | Random/Private MAC | --- @@ -175,7 +201,7 @@ C8:D7:78:40:65:40 Bosch Dishwasher | Step | Action | Comment | |------|--------|---------| -| 1 | Identify unknown devices | MAC lookup, physical trace | +| 1 | ✅ Identify unknown devices | Completed via OUI lookup | | 2 | Decide WiFi strategy | Single SSID vs Multiple SSIDs | | 3 | Configure switch ports | VLAN tagging on CSS326 | | 4 | Test VLAN routing | Before full activation |