Developer Tools
Subnet / CIDR Calculator — Free, No Upload, Browser-Based
🔒 Werkt in je browser
Enter any IP address and CIDR prefix length to instantly see the network address, broadcast address, usable host range, subnet mask, wildcard mask, and total host count — all calculated in your browser. No IP address or network data is ever transmitted to a server, making it safe for inspecting internal or sensitive network ranges.
Hoe gebruik je deze tool
- Typ een IP-adres en pas de prefixlengteschuifregelaar aan of typ een CIDR-blok zoals 10.0.0.0/8.
- De calculator toont direct het netwerkadres, broadcast, subnetmasker, wildcardmasker en hostbereik.
- Kopieer elke afzonderlijke waarde met de kopieerknop naast elke resultaatrij.
/
Prefix length/24
/0/8 Class A/16 Class B/24 Class C/32
Network
192.168.1.0/24
PrivateClass C
Network address
192.168.1.0
Broadcast address
192.168.1.255
Subnet mask
255.255.255.0 (/24)
Wildcard mask
0.0.0.255
First usable host
192.168.1.1
Last usable host
192.168.1.254
Usable hosts
254
Total addresses
256
All calculations happen in your browser. No IP addresses are transmitted.