use rand::RngExt;
use std::net::Ipv4Addr;
pub(crate) fn gen_ipv4() -> String {
let mut rng = rand::rng();
let a = rng.random::<u8>();
let b = rng.random::<u8>();
let c = rng.random::<u8>();
let d = rng.random::<u8>();
Ipv4Addr::new(a, b, c, d).to_string()
}