IP address subnet calculator Using JavaScript:
You can use this tool to calculate IP Adress subnet by entering Network Address with Subnet Mask, then the tool calculate Wilcard Mask, Mask Bits, Number of Hosts, Subnet ID (Network ID), Broadcast, Start IP address, and End IP Address.
Classless Inter-Domain Routing (CIDR) and Netmask Table Translation
| CIDR Length |
Mask |
| /1 |
128.0.0.0 |
| /2 |
192.0.0.0 |
| /3 |
224.0.0.0 |
| /4 |
240.0.0.0 |
| /5 |
248.0.0.0 |
| /6 |
252.0.0.0 |
| /7 |
254.0.0.0 |
| /8 |
255.0.0.0 |
| /9 |
255.128.0.0 |
| /10 |
255.192.0.0 |
| /11 |
255.224.0.0 |
| /12 |
255.240.0.0 |
| /13 |
255.248.0.0 |
| /14 |
255.252.0.0 |
| /15 |
255.254.0.0 |
| /16 |
255.255.0.0 |
| /17 |
255.255.128.0 |
| /18 |
255.255.192.0 |
| /19 |
255.255.224.0 |
| /20 |
255.255.240.0 |
| /21 |
255.255.248.0 |
| /22 |
255.255.252.0 |
| /23 |
255.255.254.0 |
| /24 |
255.255.255.0 |
| /25 |
255.255.255.128 |
| /26 |
255.255.255.192 |
| /27 |
255.255.255.224 |
| /28 |
255.255.255.240 |
| /29 |
255.255.255.248 |
| /30 |
255.255.255.252 |
| /31 |
255.255.255.254 |
| /32 |
255.255.255.255 |