rendered paste body+-------------------------+---------------------+----------+
| Network Section | Host Section | Net Mask |
+---+---------+-----------+---------+-----------+----------+
|128|1 | 0/510 | 000 0000| 126/32,766|1/9/17/25 |
|192|11 | 2/1,022 | 00 0000| 62/16,382|2/10/18/26|
|224|111 | 6/2,046 | 0 0000| 30/8,190 |3/11/19/27|
|240|1111 | 14/4,094 | 0000| 14/4,094 |4/12/20/28|
|248|1111 1 | 30/8,190 | 000| 6/2,046 |5/13/21/29|
|252|1111 11 | 62/16,382| 00| 2/1,022 |6/14/22/30|
|254|1111 111 | 126/32,766| 0| 0/510 |7/15/23/31|
|255|1111 1111| 254/65,534| | X/254 |8/16/24/32|
+---+---------+-----------+---------+-----------+----------+
Aint that hard, learn this.
example: 255.255.255.240 has a block size of 256-240, or 16. Meaning the first
subnet after the zero subnet is 16, second subnet is 32, first subnets broadcast is 31, host ranges 17~30. That?s it, done, move on ;)
Good luck