Privvert logoPrivvert

CIDR / Subnet Calculator

IPv4- og IPv6-netværk

FamilyIPv4
Address192.168.1.10
Prefix/24
Network192.168.1.0
Broadcast192.168.1.255
Subnet mask255.255.255.0
Wildcard0.0.0.255
First host192.168.1.1
Last host192.168.1.254
Total addresses256
Usable hosts254

Om dette værktøj

Compute network details for any IPv4 or IPv6 CIDR block - network and broadcast addresses, host range, mask, wildcard and total/usable host count.

Funktioner

  • IPv4 and IPv6 support
  • Network, broadcast, first/last host
  • Subnet mask and wildcard
  • Total and usable address counts

Sådan bruger du det

  1. Type a CIDR like 10.0.0.0/24 or 2001:db8::/48.
  2. Read the calculated rows.
🔒 100 % privat

Alt sker inde i din browser med JavaScript og WebAssembly. Dine filer bliver aldrig uploadet, aldrig gemt og aldrig set af os.

Ofte stillede spørgsmål

Why does IPv6 not show 'usable' separately?

IPv6 doesn't reserve network/broadcast addresses the way IPv4 does, so all addresses are usable.