| Tweaking our Looking Glass software by itself would not fix the problem | (ours doesn't have this problem anyway). To fix the problem everyone | would have to tweak their Looking Glass software since the problem can | be seen when someone traceroutes from a peer or 3rd party's Looking | Glass into our customer (in the event they weren't receiving the IXP | blocks from us). You sort-of want to convince nth parties to launch their traceroutes _from_ your looking glass, rather than from random places. Targeting people who look up in-addr.arpa mappings, you could always emit pointers to would-be tracerouters -- get yer real data at http://... Points to the person who first puts such a thing into the DNS. | One better might be to have the Looking Glass participating routers | manipulate their source IP address for pings and traceroutes. Yes, this is a good idea. Sean.