front 1 Class A Subnet Mask | back 1 255.0.0.0 |
front 2 Class B Subnet Mask | back 2 255.255.0.0 |
front 3 Class C Subnet Mask | back 3 255.255.255.0 |
front 4 Class A Starting IP | back 4 0.0.0.0 |
front 5 Class A Private Starting IP | back 5 10.0.0.0 |
front 6 Class A Private Ending IP | back 6 10.255.255.255 |
front 7 Class B Starting IP | back 7 128.0.0.0 |
front 8 Class B Private Starting IP | back 8 172.16.0.0 |
front 9 Class B Private Ending IP | back 9 172.31.255.255 |
front 10 Class C Starting IP | back 10 192.0.0.0 |
front 11 Class C Private Starting IP | back 11 192.168.0.0 |
front 12 Class C Private Ending IP | back 12 192.168.255.255 |
front 13 Class D Starting IP | back 13 224.0.0.0 |
front 14 Class E Starting IP | back 14 240.0.0.0 |
front 15 Class B Private First Octet | back 15 172 |
front 16 Class B Private Second Octet Start | back 16 16 |
front 17 Class B Private Second Octet End | back 17 31 |
front 18 Class C Private First Octet | back 18 192 |
front 19 Class C Private Second Octet | back 19 168 |
front 20 Class A Private First Octet | back 20 10 |