Online Network Calculator - TCP/IP Subnet Mask Calculation Converter

LAN planning tool, subnet computation, subnet mask conversion, IP address conversion
Example of IP segment input: 10.0.0.1/29 or 10.0.0.1/28 or 10.0.0.1/30 or 10.0.0.1/27
This program is used to query IP gateway, the number of available IPs, the number of available IPs for IP segments. Query the number of available IPs for IP segment, query IP gateway, subnet mask, etc.
Quick search for the number of available IPs for an IP segment: /30 IP segment with 1 available IP, /29 IP segment with 5 available IPs, /28 IP segment with 13 available IPs, /27 IP segment with 29 available IPs, /26 IP segment with 61 available IPs, /24 IP segment with 253 available IPs
IP address127.0.0.101111111 00000000 00000000 00000001
Subnet mask255.0.0.011111111 00000000 00000000 00000000
Wildcard mask0.255.255.25500000000 11111111 11111111 11111111
Network address127.0.0.001111111 00000000 00000000 00000000
Broadcast address127.255.255.25501111111 11111111 11111111 11111111
First host address127.0.0.101111111 00000000 00000000 00000001
Last host address127.255.255.25401111111 11111111 11111111 11111110
Number of hosts 16777214 111111111111111111111110
Windows cmd
Centos7 shell