Developer Tools

Subnet / CIDR Calculator — Free, No Upload, Browser-Based

🔒 Corre no seu navegador

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.

Como usar esta ferramenta

  1. Escreva um endereço IP e ajuste o controlo do comprimento de prefixo ou escreva um bloco CIDR como 10.0.0.0/8.
  2. A calculadora mostra instantaneamente o endereço de rede, broadcast, máscara de sub-rede, máscara curinga e intervalo de hosts.
  3. Copie qualquer valor individual com o botão Copiar junto a cada linha de resultado.
/
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.

Mais ferramentas gratuitasVer as 477 →
Merge PDFsCompress ImageJSON FormatterPassword GeneratorVAT CalculatorQR Code Generator
Subnet / CIDR Calculator — Free, No Upload, Browser-Based | brevio