I can ping an ip address but can't traceroute to it?

Why can I ping an ip address but not traceroute to the same ip address?


>traceroute 172.xx.xx.1

Type escape sequence to abort.
Tracing the route to 172.xx.xx.1

  1  *  *  *
  2  *  *  *
  3  *  *  *
  4  *  *  *
  5  *  *  *
  6  *  *  *
  7  *  *  *
  8  *  *  *
  9  *  *  *
 10  *  *  *
 11  *  *  *
 12  *  *  *
 13  *  *  *
 14  *  *  *
 15  *  *  *
 16  *  *  *
 17  *  *  *
 18  *  *  *
 19  *  *  *
 20  *  *  *
 21  *  *  *
 22  *  *  *
 23  *  *  *
 24  *  *  *
 25  *  *  *
 26  *  *  *
 27  *  *  *
 28  *  *  *
 29  *  *  *
 30  *  *  *
>ping 172.xx.xx.1

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.xx.xx.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/4 ms