#recon[+tool]subnet calculator — IPv4 CIDR
9
--:-- * you opened a query with+subnet
-!- CIDR → network, broadcast, host range
- network
- …
- broadcast
- …
- first host
- …
- last host
- …
- netmask
- …
- wildcard
- …
- usable hosts
- …
- total addresses
- …
-!- pure arithmetic, computed locally. try /30, /16, /31.