CIDR calculator
Runs entirely in your browser. Useful for reading IP reports, ACLs, and route announcements.
Result
Canonical CIDR
34.2.124.0/22
Version
IPv4
Prefix
/22
Network
34.2.124.0
Broadcast
34.2.127.255
First address
34.2.124.1
Last address
34.2.127.254
Netmask
255.255.252.0
Wildcard
0.0.3.255
Total addresses
1024
Usable hosts
1022