IP Address to Number

Convert between IPv4 addresses and 32-bit unsigned integers. Generate HTTP URLs from numeric IPs with a reserved IP range reference table.

๐ŸŒ IPv4 โ†’ Number


๐Ÿ”ข Number โ†’ IPv4


Common Reserved IP Ranges

IP RangeTypeDescription
0.0.0.0/8Reserved"This" network, non-routable
10.0.0.0/8PrivateClass A private network (LAN)
100.64.0.0/10SharedCarrier-grade NAT (CGN)
127.0.0.0/8LoopbackLocal host (localhost)
169.254.0.0/16Link-localAPIPA auto-assigned addresses
172.16.0.0/12PrivateClass B private network (LAN)
192.168.0.0/16PrivateClass C private network (LAN)
224.0.0.0/4MulticastIP multicast addresses
240.0.0.0/4ReservedReserved for future use
255.255.255.255BroadcastLimited broadcast address