Network Subnet Calculator

Network CIDR / Subnet Calculator | momar.tech

Network CIDR / Subnet Calculator

Enter an IPv4 address and CIDR to instantly get Network, Broadcast, Mask, Host Range, and address counts. (IPv4 only)

Inputs

Use Quick Examples to test quickly

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Shortcut: Press Enter to calculate
Results Copy values instantly
Network Address
-
Broadcast Address
-
Subnet Mask
-
Wildcard Mask
-
Host Range
-
Total Addresses
-
Usable Hosts
-
IP Class (informational)
-
Is Private
-
Notes
  • For /31 and /32, there is no traditional host range.
  • Results are calculated for IPv4 only.
  • Copy buttons copy values immediately.
Tip: Start with a Quick Example, then change CIDR to see address counts and ranges.