A. NetBIOS names are 16 characters long with the 16th character always being a special character identifying the type of name, for example a domain NetBIOS record with 1C as the 16th character is a domain controller (this is how they are located). The full list is as follows:
Name Number(h) Type Usage -------------------------------------------------------------------------- <computername> 00 U Workstation Service <computername> 01 U Messenger Service <\\--__MSBROWSE__> 01 G Master Browser <computername> 03 U Messenger Service <computername> 06 U RAS Server Service <computername> 1F U NetDDE Service <computername> 20 U File Server Service <computername> 21 U RAS Client Service <computername> 22 U Microsoft Exchange Interchange(MSMail Connector) <computername> 23 U Microsoft Exchange Store <computername> 24 U Microsoft Exchange Directory <computername> 30 U Modem Sharing Server Service <computername> 31 U Modem Sharing Client Service <computername> 43 U SMS Clients Remote Control <computername> 44 U SMS Administrators Remote Control Tool <computername> 45 U SMS Clients Remote Chat <computername> 46 U SMS Clients Remote Transfer <computername> 4C U DEC Pathworks TCPIP service on Windows NT <computername> 52 U DEC Pathworks TCPIP service on Windows NT <computername> 87 U Microsoft Exchange MTA <computername> 6A U Microsoft Exchange IMC <computername> BE U Network Monitor Agent <computername> BF U Network Monitor Application <username> 03 U Messenger Service <domain> 00 G Domain Name <domain> 1B U Domain Master Browser <domain> 1C G Domain Controllers <domain> 1D U Master Browser <domain> 1E G Browser Service Elections <INet~Services> 1C G IIS <IS~computer name> 00 U IIS
Where the record is U only one IP address may be assigned, where G its a group and may have multiple IP addresses. M is a multihomed machine (a machine with more than one network card) and I is an Internet group.
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