SING sends fully customized ICMP packets from the command line. It is a replacment for ping which adds certain enhancements such as fragmentation, send/read spoofed packets, sends many ICMP types (Address Mask, Timestamp, Router Discovery, etc) and Error (Redirect, Unreach, Time Exceeded), oversize packets, etc. Tested on Linux, FreeBSD and Solaris.
You can download it from the following link: https://packetstormsecurity.com/files/download/22238/SING-1.0b7.tgz
Source: https://packetstormsecurity.com/files/22238/SING-1.0b7.tgz.html