Below SQL Query helps to identify the encompassed subnets to site association...
/******
SQL Query to Identify Encompassed Subnets to Site Association
Prepared By Ludovic Ferre > Symantec
*******/
SELECT t.Subnet + t.Mask AS [Subnet],
i.Name AS [Site],
ISNULL(t2.Subnet + ' ' + t2.mASk + ' (' + i2.name + ')', '') AS [Encompassed Subnet (Site)]
FROM vSiteSubnetMap m
JOIN (
SELECT s.Guid, Subnet,
CASE WHEN s.[Subnet Mask]='128.0.0.0'THEN '/1'
WHEN s.[Subnet Mask]='192.0.0.0'THEN '/2'
WHEN s.[Subnet Mask]='224.0.0.0'THEN '/3'
WHEN s.[Subnet Mask]='240.0.0.0'THEN '/4'
WHEN s.[Subnet Mask]='248.0.0.0'THEN '/5'
WHEN s.[Subnet Mask]='252.0.0.0'THEN '/6'
WHEN s.[Subnet Mask]='254.0.0.0'THEN '/7'
WHEN s.[Subnet Mask]='255.0.0.0'THEN '/8'
WHEN s.[Subnet Mask]='255.128.0.0'THEN '/9'
WHEN s.[Subnet Mask]='255.192.0.0'THEN '/10'
WHEN s.[Subnet Mask]='255.224.0.0'THEN '/11'
WHEN s.[Subnet Mask]='255.240.0.0'THEN '/12'
WHEN s.[Subnet Mask]='255.248.0.0'THEN '/13'
WHEN s.[Subnet Mask]='255.252.0.0'THEN '/14'
WHEN s.[Subnet Mask]='255.254.0.0'THEN '/15'
WHEN s.[Subnet Mask]='255.255.0.0'THEN '/16'
WHEN s.[Subnet Mask]='255.255.128.0'THEN '/17'
WHEN s.[Subnet Mask]='255.255.192.0'THEN '/18'
WHEN s.[Subnet Mask]='255.255.224.0'THEN'/19'
WHEN s.[Subnet Mask]='255.255.240.0'THEN '/20'
WHEN s.[Subnet Mask]='255.255.248.0'THEN '/21'
WHEN s.[Subnet Mask]='255.255.252.0'THEN '/22'
WHEN s.[Subnet Mask]='255.255.254.0'THEN '/23'
WHEN s.[Subnet Mask]='255.255.255.0'THEN '/24'
WHEN s.[Subnet Mask]='255.255.255.128'THEN '/25'
WHEN s.[Subnet Mask]='255.255.255.192'THEN '/26'
WHEN s.[Subnet Mask]='255.255.255.224'THEN '/27'
WHEN s.[Subnet Mask]='255.255.255.240'THEN '/28'
WHEN s.[Subnet Mask]='255.255.255.248'THEN '/29'
WHEN s.[Subnet Mask]='255.255.255.252'THEN '/30'
WHEN s.[Subnet Mask]='255.255.255.254'THEN '/31'
END AS 'Mask', CAST(LEFT(Subnet, CHARINDEX('.', Subnet, 0) - 1) AS BIGINT)* 256*256*256+ CAST(SUBSTRING(Subnet,
CHARINDEX('.', Subnet, 0) +1 ,CHARINDEX('.', Subnet,
CHARINDEX('.', Subnet, CHARINDEX('.', Subnet, 0) + 1))- (CHARINDEX('.', Subnet, 0) + 1))
AS BIGINT)*256*256+ CAST(SUBSTRING (Subnet,(CHARINDEX('.', Subnet, CHARINDEX('.', Subnet,
CHARINDEX('.', Subnet, 0) + 1)) +1),CHARINDEX('.', Subnet, CHARINDEX('.', Subnet,
CHARINDEX('.', Subnet, CHARINDEX('.', Subnet, CHARINDEX('.', Subnet,
CHARINDEX('.', Subnet, 0) + 1))) + 1)) - (CHARINDEX('.', Subnet,
CHARINDEX('.', Subnet, (CHARINDEX('.', Subnet, 0) + 1))) +1))
AS BIGINT)*256+ CAST(substring(Subnet, CHARINDEX('.', Subnet, CHARINDEX('.', Subnet,
CHARINDEX('.', Subnet, CHARINDEX('.', Subnet, CHARINDEX('.', Subnet, CHARINDEX('.', Subnet, 0) + 1))) +1 )) + 1, LEN(Subnet)) AS BIGINT) AS 'lbound' ,
CASE WHEN s.[Subnet Mask]='128.0.0.0'THEN CAST(256*256 AS BIGINT)*256*128
WHEN s.[Subnet Mask]='192.0.0.0'THEN 256*256*256*64
WHEN s.[Subnet Mask]='224.0.0.0'THEN 256*256*256*32
WHEN s.[Subnet Mask]='240.0.0.0'THEN 256*256*256*16
WHEN s.[Subnet Mask]='248.0.0.0'THEN 256*256*256*8
WHEN s.[Subnet Mask]='252.0.0.0'THEN 256*256*256*4
WHEN s.[Subnet Mask]='254.0.0.0'THEN 256*256*256*2
WHEN s.[Subnet Mask]='255.0.0.0'THEN 256*256*256
WHEN s.[Subnet Mask]='255.128.0.0'THEN 256*256*128
WHEN s.[Subnet Mask]='255.192.0.0'THEN 256*256*64
WHEN s.[Subnet Mask]='255.224.0.0'THEN 256*256*32
WHEN s.[Subnet Mask]='255.240.0.0'THEN 256*256*16
WHEN s.[Subnet Mask]='255.248.0.0'THEN 256*256*8
WHEN s.[Subnet Mask]='255.252.0.0'THEN 256*256*4
WHEN s.[Subnet Mask]='255.254.0.0'THEN 256*256*2
WHEN s.[Subnet Mask]='255.255.0.0'THEN 256*256
WHEN s.[Subnet Mask]='255.255.128.0'THEN 256*128
WHEN s.[Subnet Mask]='255.255.192.0'THEN 256*64
WHEN s.[Subnet Mask]='255.255.224.0'THEN 256*32
WHEN s.[Subnet Mask]='255.255.240.0'THEN 256*16
WHEN s.[Subnet Mask]='255.255.248.0'THEN 256*8
WHEN s.[Subnet Mask]='255.255.252.0'THEN 256*4
WHEN s.[Subnet Mask]='255.255.254.0'THEN 256*2
WHEN s.[Subnet Mask]='255.255.255.0'THEN 256
WHEN s.[Subnet Mask]='255.255.255.128'THEN 128
WHEN s.[Subnet Mask]='255.255.255.192'THEN 64
WHEN s.[Subnet Mask]='255.255.255.224'THEN 32
WHEN s.[Subnet Mask]='255.255.255.240'THEN 16
WHEN s.[Subnet Mask]='255.255.255.248'THEN 8
WHEN s.[Subnet Mask]='255.255.255.252'THEN 4
WHEN s.[Subnet Mask]='255.255.255.254'THEN 2
WHEN s.[Subnet Mask]='255.255.255.255'THEN 1
END AS 'Hosts' FROM vSubnet s
) t
ON t.Guid = m.SubnetGuid
LEFT JOIN (
SELECT s.Guid, Subnet,
CASE WHEN s.[Subnet Mask]='128.0.0.0'THEN '/1'
WHEN s.[Subnet Mask]='192.0.0.0'THEN '/2'
WHEN s.[Subnet Mask]='224.0.0.0'THEN '/3'
WHEN s.[Subnet Mask]='240.0.0.0'THEN '/4'
WHEN s.[Subnet Mask]='248.0.0.0'THEN '/5'
WHEN s.[Subnet Mask]='252.0.0.0'THEN '/6'
WHEN s.[Subnet Mask]='254.0.0.0'THEN '/7'
WHEN s.[Subnet Mask]='255.0.0.0'THEN '/8'
WHEN s.[Subnet Mask]='255.128.0.0'THEN '/9'
WHEN s.[Subnet Mask]='255.192.0.0'THEN '/10'
WHEN s.[Subnet Mask]='255.224.0.0'THEN '/11'
WHEN s.[Subnet Mask]='255.240.0.0'THEN '/12'
WHEN s.[Subnet Mask]='255.248.0.0'THEN '/13'
WHEN s.[Subnet Mask]='255.252.0.0'THEN '/14'
WHEN s.[Subnet Mask]='255.254.0.0'THEN '/15'
WHEN s.[Subnet Mask]='255.255.0.0'THEN '/16'
WHEN s.[Subnet Mask]='255.255.128.0'THEN '/17'
WHEN s.[Subnet Mask]='255.255.192.0'THEN '/18'
WHEN s.[Subnet Mask]='255.255.224.0'THEN'/19'
WHEN s.[Subnet Mask]='255.255.240.0'THEN '/20'
WHEN s.[Subnet Mask]='255.255.248.0'THEN '/21'
WHEN s.[Subnet Mask]='255.255.252.0'THEN '/22'
WHEN s.[Subnet Mask]='255.255.254.0'THEN '/23'
WHEN s.[Subnet Mask]='255.255.255.0'THEN '/24'
WHEN s.[Subnet Mask]='255.255.255.128'THEN '/25'
WHEN s.[Subnet Mask]='255.255.255.192'THEN '/26'
WHEN s.[Subnet Mask]='255.255.255.224'THEN '/27'
WHEN s.[Subnet Mask]='255.255.255.240'THEN '/28'
WHEN s.[Subnet Mask]='255.255.255.248'THEN '/29'
WHEN s.[Subnet Mask]='255.255.255.252'THEN '/30'
WHEN s.[Subnet Mask]='255.255.255.254'THEN '/31'
END AS 'Mask', CAST(LEFT(Subnet, CHARINDEX('.', Subnet, 0) - 1) AS BIGINT)* 256*256*256+ CAST(SUBSTRING
(Subnet,CHARINDEX('.', Subnet, 0) +1 ,CHARINDEX('.',
Subnet, CHARINDEX('.', Subnet, CHARINDEX('.', Subnet, 0) + 1))- (CHARINDEX('.', Subnet, 0) + 1))
AS BIGINT)*256*256+ CAST(SUBSTRING (Subnet,(CHARINDEX('.', Subnet,
CHARINDEX('.', Subnet, CHARINDEX('.', Subnet, 0) + 1)) +1),CHARINDEX('.', Subnet,
CHARINDEX('.', Subnet, CHARINDEX('.', Subnet, CHARINDEX('.', Subnet, CHARINDEX('.', Subnet,
CHARINDEX('.', Subnet, 0) + 1))) + 1)) - (CHARINDEX('.', Subnet, CHARINDEX('.', Subnet,
(CHARINDEX('.', Subnet, 0) + 1))) +1)) AS BIGINT)*256+ CAST(substring(Subnet, CHARINDEX('.', Subnet,
CHARINDEX('.', Subnet, CHARINDEX('.', Subnet, CHARINDEX('.', Subnet, CHARINDEX('.', Subnet,
CHARINDEX('.', Subnet, 0) + 1))) +1 )) + 1, LEN(Subnet)) AS BIGINT) AS 'lbound' ,
CASE WHEN s.[Subnet Mask]='128.0.0.0'THEN CAST(256*256 AS BIGINT)*256*128
WHEN s.[Subnet Mask]='192.0.0.0'THEN 256*256*256*64
WHEN s.[Subnet Mask]='224.0.0.0'THEN 256*256*256*32
WHEN s.[Subnet Mask]='240.0.0.0'THEN 256*256*256*16
WHEN s.[Subnet Mask]='248.0.0.0'THEN 256*256*256*8
WHEN s.[Subnet Mask]='252.0.0.0'THEN 256*256*256*4
WHEN s.[Subnet Mask]='254.0.0.0'THEN 256*256*256*2
WHEN s.[Subnet Mask]='255.0.0.0'THEN 256*256*256
WHEN s.[Subnet Mask]='255.128.0.0'THEN 256*256*128
WHEN s.[Subnet Mask]='255.192.0.0'THEN 256*256*64
WHEN s.[Subnet Mask]='255.224.0.0'THEN 256*256*32
WHEN s.[Subnet Mask]='255.240.0.0'THEN 256*256*16
WHEN s.[Subnet Mask]='255.248.0.0'THEN 256*256*8
WHEN s.[Subnet Mask]='255.252.0.0'THEN 256*256*4
WHEN s.[Subnet Mask]='255.254.0.0'THEN 256*256*2
WHEN s.[Subnet Mask]='255.255.0.0'THEN 256*256
WHEN s.[Subnet Mask]='255.255.128.0'THEN 256*128
WHEN s.[Subnet Mask]='255.255.192.0'THEN 256*64
WHEN s.[Subnet Mask]='255.255.224.0'THEN 256*32
WHEN s.[Subnet Mask]='255.255.240.0'THEN 256*16
WHEN s.[Subnet Mask]='255.255.248.0'THEN 256*8
WHEN s.[Subnet Mask]='255.255.252.0'THEN 256*4
WHEN s.[Subnet Mask]='255.255.254.0'THEN 256*2
WHEN s.[Subnet Mask]='255.255.255.0'THEN 256
WHEN s.[Subnet Mask]='255.255.255.128'THEN 128
WHEN s.[Subnet Mask]='255.255.255.192'THEN 64
WHEN s.[Subnet Mask]='255.255.255.224'THEN 32
WHEN s.[Subnet Mask]='255.255.255.240'THEN 16
WHEN s.[Subnet Mask]='255.255.255.248'THEN 8
WHEN s.[Subnet Mask]='255.255.255.252'THEN 4
WHEN s.[Subnet Mask]='255.255.255.254'THEN 2
WHEN s.[Subnet Mask]='255.255.255.255'THEN 1
END AS 'Hosts' FROM vSubnet s
) t2
ON t.lbound <= t2.lbound
AND t.lbound + t.hosts >= t2.lbound + t2.hosts
AND t.Guid != t2.Guid
LEFT JOIN vSiteSubnetMap m2
ON t2.Guid = m2.SubnetGuid
AND m._ResourceGuid != m2._ResourceGuid
LEFT JOIN vSite i
ON m._ResourceGuid = i.Guid
LEFT JOIN vSite i2
ON m2._ResourceGuid = i2.Guid
ORDER BY t.lbound DESC,
t.lbound + t.hosts DESC