Aen-t7

Pleas help what this first 28 byte - how to decode?
Please help, what are those first 28 bytes - how to decrypt?

icmp

Data hex: 45-00-00-1C-93-20-40-00-04-01-56-B8-C1-00-00-68-90-4C-3B-54-08-00-13-F2-C4-0D-20-00