Code:
$ cat file
Time,SubnetMask,ScopeName,percentFree,TotalDynamic,TotalReserved,Leased,Avail,otherAvail,PendingAvail,InTransition,ReservedActive,Unavail,ActiveDeactivated,Deactivated
20131203170000,171.99.192.0/23,SRT-PKT-ActiveSubCPE-13,87,509,0,66,399,44,0,0,0,0,0,0,
20131203170000,10.18.32.0/20,MSKKBK13CM0-ActiveSubCM-01,35,3578,0,2300,1144,127,0,7,0,0,0,0,
20131203170000,110.169.128.0/23,SKW-09-ActiveSubCPE-01,0,504,0,504,0,0,0,0,0,0,0,0,
20131203170000,10.18.32.0/20,MSKKBK13CM0-BZ-ActiveSubCM-01,100,248,0,0,224,24,0,0,0,0,0,0,
20131203170000,10.18.32.0/20,Total,39,3826,0,2300,1368,151,0,7,0,0,0,0,
20131203170000,10.18.48.0/20,BNA-ActiveSubCM-02,81,4090,0,774,2982,331,0,3,0,0,0,0,
20131203170000,171.98.202.0/23,SKW-09-ActiveSubCPE-08,41,509,0,300,188,21,0,0,0,0,0,0,
20131203170000,10.18.48.0/20,Total,81,4090,0,774,2982,331,0,3,0,0,0,0,
20131203170000,10.18.64.0/20,SMSSBK01CM0-BZ-ActiveSubCM-01,100,504,0,0,454,50,0,0,0,0,0,0,
20131203170000,10.18.64.0/20,SMSSBK01CM0-ActiveSubCM-01,76,3576,0,834,2467,274,0,1,0,0,0,0,
20131203170000,171.99.150.0/23,SRT-PKT-ActiveSubCPE-07,0,509,0,509,0,0,0,0,0,0,0,0,
20131203170000,171.99.186.0/23,SKW-09-ActiveSubCPE-04,0,509,0,507,2,0,0,0,0,0,0,0,
20131203170000,171.99.172.0/23,Total,25,509,0,380,114,14,0,1,0,0,0,0,
20131203170000,171.99.174.0/23,PNC-ActiveSubCPE-05,47,509,0,269,216,24,0,0,0,0,0,0,
20131203170000,171.99.174.0/23,Total,47,509,0,269,216,24,0,0,0,0,0,0,
20131203170000,171.99.192.0/23,SRT-PKT-ActiveSubCPE-13.5,87,509,0,66,399,44,0,0,0,0,0,0,
20131203170000,171.99.192.0/23,SRT-PKT-ActiveSubCPE-13.5 ,87,509,0,66,399,44,0,0,0,0,0,0,