validation/ip_cidr_utils library

IP/CIDR utilities (subnet contains, range checks) — roadmap #686.

Functions

ipInCidr({required int ip, required int network, required int prefixLen}) → bool

Checks if ip (as int) is in CIDR network/prefixLen. network is base address as int.

parseIpv4(String s) → int?

Parses IPv4 "a.b.c.d" into int (big-endian). Returns null if invalid.