function isAddressv4Multicast
isAddressv4Multicast(address: number): boolean

Checks if an IPv4 address is a multicast address (RFC 5771).

Multicast range: 224.0.0.0/4 (224.0.0.0 – 239.255.255.255)

Examples

Example 1

import { assert, assertEquals } from "@std/assert";
import { isAddressv4Multicast } from "@hertzg/ip/classifyv4";
import { parseAddressv4 } from "@hertzg/ip/addressv4";

assert(isAddressv4Multicast(parseAddressv4("224.0.0.1").address));
assert(isAddressv4Multicast(parseAddressv4("239.255.255.255").address));
assertEquals(isAddressv4Multicast(parseAddressv4("240.0.0.0").address), false);

Parameters

address: number

The address as a 32-bit unsigned integer

Return Type

boolean

true if the address is multicast

Usage

import { isAddressv4Multicast } from "classifyv4.ts";