Don't see your prefix or routing is suboptimal?
Check the routing policy
Disclaimer: All commands will be logged for possible later analysis and statistics. If you don't like this policy, please disconnect now! This Looking Glass is NOT to be used with ANY automated scripts. All queries must be entered manually. Abusers of this policy will be permanently banned from this server. Because of the low-priority nature of ICMP traffic handling on routers, this tool is not appropriate for use in measuring SLAs. This tool should only be used to verify reachability.