you can run this script on each server
make sure xp_cmdshell is turned on
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SET nocount ON
DECLARE @ip VARCHAR(15)
CREATE TABLE #ip (line VARCHAR(255))
INSERT #ip
EXEC master.dbo.xp_cmdshell 'ipconfig'
DELETE #ip
WHERE Charindex('IP Address',line) <= 0
DELETE #ip
WHERE line IS NULL
SELECT @ip = Substring(line,Charindex(':',line) + 1,255)
FROM #ip
SELECT REPLACE(Ltrim(Rtrim(REPLACE(line,'IP Address. . . . . . . . . . . . :',
''))),CHAR(13),'') AS 'IP Addresses'
FROM #ip WITH (nolock)
DROP TABLE #ip
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Alex S