IPv4 32-Bit Subnetting (ver. 02b)                  

 
IP Address       xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxxx
     
 
     
 
Dotted Decimal    
 
   
Binary    
   
Hexadecimal      
Class (A, B or C)      
IP 10.0.0.0           Class A Private IP Address (0... ....)    
IP 172.16.0.0  Class B Private IP Address (10.. ....)    
IP 192.168.0.0  Class C Private IP Address (110. ....)    
Classroom Exercises  Display 100 Classroom Exercise choices    
IP 153.65.2.175/28 Classroom Exercise #1    
IP 122.25.154.2/17 Classroom Exercise #2    
IP 129.32.0.0/23 Classroom Exercise #3    
IP 129.32.0.0/24 Classroom Exercise #4    
IP 131.54.24.2/24 Classroom Exercise #5    
IP 131.54.124.2/24 Classroom Exercise #6    
IP 136.26.0.0/20 Classroom Exercise #7    
IP 146.217.79.4/20 Classroom Exercise #8    
IP 146.217.79.4/29 Classroom Exercise #9    
IP 152.77.0.0/19 Classroom Exercise #10    
IP 153.44.54.8/26 Classroom Exercise #11    
IP 153.50.6.27/25 Classroom Exercise #12    
IP 154.114.33.12/20 Classroom Exercise #13    
IP 154.98.0.0/20 Classroom Exercise #14    
IP 154.98.0.0/26 Classroom Exercise #15    
IP 172.19.0.0/26 Classroom Exercise #16    
IP 176.45.102.47/23 Classroom Exercise #17    
IP 176.231.93.14/26 Classroom Exercise #18    
IP 85.2.103.69/17 Classroom Exercise #19    
IP 185.2.103.69/25 Classroom Exercise #20    
IP 191.225.32.54/28 Classroom Exercise #21    
IP 192.168.53.24/26 Classroom Exercise #22    
IP 194.225.12.66/27 Classroom Exercise #23    
IP 208.174.2.0/29 Classroom Exercise #24    
IP 211.16.42.204/28 Classroom Exercise #25    
IP 222.26.12.0/30 Classroom Exercise #26    
IP 221.225.32.54/28 Classroom Exercise #27    
IP 192.168.25.110/27 Classroom Exercise #28    
IP 182.21.17.60/28 Classroom Exercise #29    
IP 189.6.14.103/28 Classroom Exercise #30    
IP 192.168.53.94/26 Classroom Exercise #31    
IP 192.168.25.110/27 Classroom Exercise #32    
IP 153.44.54.8/26 Classroom Exercise #33    
IP 131.54.124.2/24 Classroom Exercise #34    
IP 122.25.154.2/17 Classroom Exercise #35    
IP 216.205.32.54/28 Classroom Exercise #36    
IP 145.16.38.119/21 Classroom Exercise #37    
IP 194.84.54.0/27 Classroom Exercise #38    
IP 198.44.80.0/27 Classroom Exercise #39    
IP 156.16.25.144/21 Classroom Exercise #40    
IP 192.168.10.0/26 Classroom Exercise #41    
IP 192.168.10.0/27 Classroom Exercise #42    
IP 192.168.10.0/28 Classroom Exercise #43    
IP 192.168.10.0/29 Classroom Exercise #44    
IP 192.168.10.0/30 Classroom Exercise #45    
IP 192.168.10.0/25 Classroom Exercise #46    
IP 172.16.0.0/18 Classroom Exercise #47    
IP 172.16.0.0/20 Classroom Exercise #48    
IP 172.16.0.0/23 Classroom Exercise #49    
IP 172.16.0.0/24 Classroom Exercise #50    
IP 172.16.0.0/25 Classroom Exercise #51    
IP 172.16.0.0/26 Classroom Exercise #52    
IP 172.16.0.0/27 Classroom Exercise #53    
IP 172.16.0.0/28 Classroom Exercise #54    
IP 172.16.0.0/29 Classroom Exercise #55    
IP 172.16.0.0/30 Classroom Exercise #56    
IP 10.1.0.0/16 Classroom Exercise #57    
IP 10.1.0.0/20 Classroom Exercise #58    
IP 10.1.0.0/26 Classroom Exercise #59    
IP 10.1.0.0/28 Classroom Exercise #60    
IP 10.1.0.0/30 Classroom Exercise #61    
IP 8.1.4.5/16 Classroom Exercise #62    
IP 130.4.102.1/22 Classroom Exercise #63    
IP 130.4.102.1/24 Classroom Exercise #64    
IP 199.1.1.100/24 Classroom Exercise #65    
IP 199.1.1.100/27 Classroom Exercise #66    
IP 134.141.7.11/24 Classroom Exercise #67    
IP 193.193.7.7/24 Classroom Exercise #68    
IP 200.1.1.130/27 Classroom Exercise #69    
IP 220.8.7.100/28 Classroom Exercise #70    
IP 134.141.7.1/24 Classroom Exercise #71    
IP 193.193.7.7/26 Classroom Exercise #72    
IP 200.1.1.130/29 Classroom Exercise #73    
IP 220.8.7.100/29 Classroom Exercise #74    
IP 134.141.7.11/28 Classroom Exercise #75    
IP 193.193.7.7/30 Classroom Exercise #76    
IP 200.1.1.130/30 Classroom Exercise #77    
IP 220.8.7.100/30 Classroom Exercise #78    
IP 134.141.7.7/18 Classroom Exercise #79    
IP 220.8.7.100/30 Classroom Exercise #80    
IP 172.16.10.5/25 Classroom Exercise #81    
IP 172.16.10.33/27 Classroom Exercise #82    
IP 172.16.10.65/26 Classroom Exercise #83    
IP 172.16.10.17/30 Classroom Exercise #84    
IP 172.16.10.33/28 Classroom Exercise #85    
IP 192.168.100.25/30 Classroom Exercise #86    
IP 192.168.100.37/29 Classroom Exercise #87    
IP 192.168.100.66/27 Classroom Exercise #88    
IP 192.168.100.17/29 Classroom Exercise #89    
IP 10.10.10.5/30 Classroom Exercise #90    
IP 10.5.118.3/16 Classroom Exercise #91    
IP 190.1.42.3/24 Classroom Exercise #92    
IP 140.1.1.1/29 Classroom Exercise #93    
IP 167.88.99.66/26 Classroom Exercise #94    
IP 10.5.118.3/24 Classroom Exercise #95    
IP 190.1.42.3/26 Classroom Exercise #96    
IP 140.1.1.1/30 Classroom Exercise #97    
IP 167.88.99.66/28 Classroom Exercise #98    
IP 10.5.118.3/18 Classroom Exercise #99    
IP 190.1.42.3/29 Classroom Exercise #100    
 
       Navigate to:         
 
Subnet Mask      xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxxx
       
    
 
     
 
Dotted Decimal        
    
 
Binary      
Hexadecimal      
Prefix Notation      
Subnets Needed      
Hosts Needed      
Bits Borrowed      
Bits Unborrowed      
SM 255.0.0.0      
SM 255.255.0.0      
SM 255.255.255.0      
Subnet Mask 128 (1000 0000)    
Subnet Mask 192 (1100 0000)    
Subnet Mask 224 (1110 0000)    
Subnet Mask 240 (1111 0000)    
Subnet Mask 248 (1111 1000)    
Subnet Mask 252 (1111 1100)    
Subnet Mask 254 (1111 1110)    
Subnet Mask 255 (1111 1111)    
 
   Navigate to:         
Subnet Results  XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX    
Netwk Given/Subnet Given/Host Given
Netwk Given
Subnet Given:   Increment: xxx
Host Given:  
Netwk Given/Subnet Given/Network
Netwk Given/Subnet Given/Host 1
Netwk Given/Subnet Given/Host 2
Netwk Given/Subnet Given/Host Last
Netwk Given/Subnet Given/Broadcast
Netwk Given/Subnet 0/Network
Netwk Given/Subnet 0/Broadcast
Netwk Given/Subnet 1/Network
Netwk Given/Subnet 1/Host 1
Netwk Given/Subnet 1/Host 2
Netwk Given/Subnet 1/Host Last
Netwk Given/Subnet 1/Broadcast
Netwk Given/Subnet 2/Network
Netwk Given/Subnet 2/Host 1
Netwk Given/Subnet 2/Host 2
Netwk Given/Subnet 2/Host Last
Netwk Given/Subnet 2/Broadcast
Netwk Given/Subnet 3/Network
Netwk Given/Subnet 3/Host 1
Netwk Given/Subnet 3/Host 2
Netwk Given/Subnet 3/Host Last
Netwk Given/Subnet 3/Broadcast
Netwk Given/Subnet Last/Network
Netwk Given/Subnet Last/Host 1
Netwk Given/Subnet Last/Host 2
Netwk Given/Subnet Last/Host Last
Netwk Given/Subnet Last/Broadcast
   XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX    
   Navigate to:         
Subnet Calcs
Bits in Network Field
Bits in Subnet Field
Bits in Network plus Subnet
Original Bits in Host Field
Bits Borrowed from Host
Bits Unborrowed from Host
Subnet Mask value (Bits Borrowed mod 8 bits = mod 256)
Subnet increment size (256 - Subnet Mask value)
Subnets minimum number
Subnets maximum number
Original Hosts without Subnet
Hosts reduced by
Hosts minimum number
Hosts maximum number

           (Note: For 32-Bit number conversions, browse to http://www.patmoss.com/cisco/convert32.htm)