---------------->NetBios<---------------

Here you go:

Code:

Option Explicit Private Declare Function Netbios Lib "netapi32.dll" (pncb As NCB) As Byte Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (hpvDest As Any, ByVal hpvSource As Long, ByVal cbCopy As Long) Private Declare Function GetProcessHeap Lib "kernel32" () As Long Private Declare Function HeapAlloc Lib "kernel32" (ByVal hHeap As Long, ByVal dwFlags As Long, ByVal dwBytes As Long) As Long Private Declare Function HeapFree Lib "kernel32" (ByVal hHeap As Long, ByVal dwFlags As Long, lpMem As Any) As Long Const NCBASTAT = &H33 Const NCBNAMSZ = 16 Const HEAP_ZERO_MEMORY = &H8 Const HEAP_GENERATE_EXCEPTIONS = &H4 Const NCBRESET = &H32 Private Type NCB ncb_command As Byte ncb_retcode As Byte ncb_lsn As Byte ncb_num As Byte ncb_buffer As Long ncb_length As Integer ncb_callname As String * NCBNAMSZ ncb_name As String * NCBNAMSZ ncb_rto As Byte ncb_sto As Byte ncb_post As Long ncb_lana_num As Byte ncb_cmd_cplt As Byte ncb_reserve(9) As Byte ncb_event As Long End Type Private Type ADAPTER_STATUS adapter_address(5) As Byte rev_major As Byte reserved0 As Byte adapter_type As Byte rev_minor As Byte duration As Integer frmr_recv As Integer frmr_xmit As Integer iframe_recv_err As Integer xmit_aborts As Integer xmit_success As Long recv_success As Long iframe_xmit_err As Integer recv_buff_unavail As Integer t1_timeouts As Integer ti_timeouts As Integer Reserved1 As Long free_ncbs As Integer max_cfg_ncbs As Integer max_ncbs As Integer xmit_buf_unavail As Integer max_dgram_size As Integer pending_sess As Integer max_cfg_sess As Integer max_sess As Integer max_sess_pkt_size As Integer name_count As Integer End Type Private Type NAME_BUFFER name As String * NCBNAMSZ name_num As Byte name_flags As Byte End Type Private Type ASTAT adapt As ADAPTER_STATUS NameBuff(30) As NAME_BUFFER End Type Private Sub Command1_Click() ' for local address pass an asterisk MsgBox "MAC Address : " & GetMac("*") ' for remote address pass an ip address or a computer name 'MsgBox "MAC Address : " & GetMac("195.86.71.72") End Sub Private Function ToHex(bByte As Byte) As String ToHex = Right("0" & Hex(bByte), 2) End Function Private Function GetMac(sName As String) As String Dim myNcb As NCB Dim bRet As Byte Dim myASTAT As ASTAT Dim pASTAT As Long sName = UCase(sName) myNcb.ncb_command = NCBRESET bRet = Netbios(myNcb) myNcb.ncb_command = NCBASTAT myNcb.ncb_lana_num = 0 myNcb.ncb_callname = sName myNcb.ncb_length = Len(myASTAT) pASTAT = HeapAlloc(GetProcessHeap(), HEAP_GENERATE_EXCEPTIONS Or HEAP_ZERO_MEMORY, myNcb.ncb_length) If pASTAT <> 0 Then myNcb.ncb_buffer = pASTAT bRet = Netbios(myNcb) If bRet = 0 Then CopyMemory myASTAT, myNcb.ncb_buffer, Len(myASTAT) GetMac = ToHex(myASTAT.adapt.adapter_address(0)) & ToHex(myASTAT.adapt.adapter_address(1)) & ToHex(myASTAT.adapt.adapter_address(2)) & ToHex(myASTAT.adapt.adapter_address(3)) & ToHex(myASTAT.adapt.adapter_address(4)) & ToHex(myASTAT.adapt.adapter_address(5)) ' There is more information in the myASTAT.NameBuff structure Else GetMac = "Error number " & bRet End If HeapFree GetProcessHeap(), 0, pASTAT Else GetMac = "Error allocating memory" End If End Function