IP Addressing & Subnetting Calculators

29 free ip addressing & subnetting calculators in Networking.

ARP Table Size CalculatorWork out arp table size instantly with clear inputs, formula shown and shareable results.
Broadcast Domain Size CalculatorWork out broadcast domain size instantly with clear inputs, formula shown and shareable results.
Collision Domain Count CalculatorWork out collision domain count instantly with clear inputs, formula shown and shareable results.
DHCP Lease Time CalculatorWork out dhcp lease time instantly with clear inputs, formula shown and shareable results.
DHCP Pool Size CalculatorWork out dhcp pool size instantly with clear inputs, formula shown and shareable results.
Dual Stack Addressing Plan CalculatorWork out dual stack addressing plan instantly with clear inputs, formula shown and shareable results.
First And Last Usable IP CalculatorWork out first and last usable ip instantly with clear inputs, formula shown and shareable results.
Host Bits Required CalculatorWork out host bits required instantly with clear inputs, formula shown and shareable results.
IP Address Class CalculatorWork out ip address class instantly with clear inputs, formula shown and shareable results.
IP Address Plan For Sites CalculatorWork out ip address plan for sites instantly with clear inputs, formula shown and shareable results.
IP Range To CIDR CalculatorWork out ip range to cidr instantly with clear inputs, formula shown and shareable results.
IP To Hexadecimal CalculatorWork out ip to hexadecimal instantly with clear inputs, formula shown and shareable results.
IPv4 To IPv6 Mapping CalculatorWork out ipv4 to ipv6 mapping instantly with clear inputs, formula shown and shareable results.
IPv6 EUI 64 CalculatorWork out ipv6 eui 64 instantly with clear inputs, formula shown and shareable results.
Loopback Addressing Plan CalculatorWork out loopback addressing plan instantly with clear inputs, formula shown and shareable results.
MAC OUI Lookup Format CalculatorWork out mac oui lookup format instantly with clear inputs, formula shown and shareable results.
Multicast Address Range CalculatorWork out multicast address range instantly with clear inputs, formula shown and shareable results.
Multicast MAC Mapping CalculatorWork out multicast mac mapping instantly with clear inputs, formula shown and shareable results.
NAT Pool Size CalculatorWork out nat pool size instantly with clear inputs, formula shown and shareable results.
Network And Broadcast Address CalculatorWork out network and broadcast address instantly with clear inputs, formula shown and shareable results.
Number Of Subnets Needed CalculatorWork out number of subnets needed instantly with clear inputs, formula shown and shareable results.
PAT Port Capacity CalculatorWork out pat port capacity instantly with clear inputs, formula shown and shareable results.
Point To Point Link Addressing CalculatorWork out point to point link addressing instantly with clear inputs, formula shown and shareable results.
Private vs Public IP CalculatorWork out private vs public ip instantly with clear inputs, formula shown and shareable results.
Reserved IP Range Checker CalculatorWork out reserved ip range checker instantly with clear inputs, formula shown and shareable results.
Route Summarisation CalculatorWork out route summarisation instantly with clear inputs, formula shown and shareable results.
Subnet Split (VLSM) CalculatorWork out subnet split (vlsm) instantly with clear inputs, formula shown and shareable results.
Supernet Aggregation CalculatorWork out supernet aggregation instantly with clear inputs, formula shown and shareable results.
Usable Hosts In A Subnet CalculatorWork out usable hosts in a subnet instantly with clear inputs, formula shown and shareable results.