Whoever owns 44.131.160.1 you need to check your system configuration. It cannot do anything with 255.255.255.255 Below what I am seeing
8:20:25.632390 IP 81.174.253.193 > 192.168.1.150: IP 44.131.160.1.5678 > 255.255.255.255.5678: UDP, length 120 (ipip-proto-4) 08:20:25.635667 IP 192.168.1.150 > 81.174.253.193: IP 44.135.90.2 > 44.131.160.1: ICMP host 255.255.255.255 unreachable, length 36 (ipip-proto-4)