Validate IP Addresses in .NET

ValidateIpAddress.cs

using System.Net;
using System.Linq;

public static bool IsValidIpAddress(string input)
    => IPAddress.TryParse(input, out var ipAddress) && ipAddress.ToString() == input;

public static bool IsValidIpAddress(string input)
    => input.Split(".") switch
    {
        {Length: 4} parts => parts.All(x => int.TryParse(x, out var y) && y is >= 0 and <= 255),
        _ => false,
    };
    
public static bool IsValidIpAddress(string input)
    => input.Split(".") switch
    {
        {Length: 4} parts => parts.All(x => byte.TryParse(x, out _)),
        _ => false,
    };