Still seems to be an issue in 2.0.20-2 in utopic. Workaround is to use -N 1 to reduce the number of simultaneous probe packets, i.e.:
$ sudo traceroute -I -N 1 4.2.2.2 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/493376 Title: traceroute doesnt display some hops using ICMP method To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/traceroute/+bug/493376/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
