[jon@garganey ~]$ traceroute 81.187.55.61
traceroute to 81.187.55.61 (81.187.55.61), 30 hops max, 40 byte packets
1 gadwall-lan.jongreen.co.uk (81.187.90.161) 0.791 ms 1.410 ms 1.853 ms
2 eider-eth.jongreen.co.uk (81.2.120.41) 9.283 ms 9.446 ms 9.599 ms
3 careless.aaisp.net.uk (81.187.81.72) 22.637 ms 24.499 ms 25.632 ms
4 simon-gw0.lab.cambei.net (81.187.254.63) 69.844 ms 72.033 ms 75.288 ms
5 peter-sw0-mgmt.lab.cambei.net (81.187.55.61) 78.220 ms * *
[root@garganey ~]# traceroute -I 81.187.55.61
traceroute to 81.187.55.61 (81.187.55.61), 30 hops max, 40 byte packets
1 gadwall-lan.jongreen.co.uk (81.187.90.161) 0.698 ms 0.869 ms 1.083 ms
2 eider-eth.jongreen.co.uk (81.2.120.41) 4.576 ms 4.768 ms 4.905 ms
3 careless.aaisp.net.uk (81.187.81.72) 20.760 ms 26.382 ms 31.896 ms
4 simon-gw0.lab.cambei.net (81.187.254.63) 73.862 ms 75.491 ms 77.675 ms
5 peter-sw0-mgmt.lab.cambei.net (81.187.55.61) 82.880 ms 85.872 ms 86.753 ms