The format for the traceroute command is as follows:

traceroute destinationIP 

destinationIP may be numeric or a string:

$ traceroute google.com 
traceroute to google.com (74.125.77.104), 30 hops max, 60 byte packets 
1  gw-c6509.lxb.as5577.net (195.26.4.1)  0.313 ms  0.371 ms  0.457 ms 
2  40g.lxb-fra.as5577.net (83.243.12.2)  4.684 ms  4.754 ms  4.823 ms 
3  de-cix10.net.google.com (80.81.192.108)  5.312 ms  5.348 ms  5.327 ms 
4  209.85.255.170 (209.85.255.170)  5.816 ms  5.791 ms 209.85.255.172 (209.85.255.172)  5.678 ms 
5  209.85.250.140 (209.85.250.140)  10.126 ms  9.867 ms  10.754 ms 
6  64.233.175.246 (64.233.175.246)  12.940 ms 72.14.233.114 (72.14.233.114)  13.736 ms  13.803 ms 
7  72.14.239.199 (72.14.239.199)  14.618 ms 209.85.255.166 (209.85.255.166)  12.755 ms 209.85.255.143 (209.85.255.143)  13.803 ms 
8  209.85.255.98 (209.85.255.98)  22.625 ms 209.85.255.110 (209.85.255.110)  14.122 ms 
*  
9  ew-in-f104.1e100.net (74.125.77.104)  13.061 ms  13.256 ms  13.484 ms