On Wednesday, April 27, 2016, Baptiste Jonglez <bapti...@bitsofnetworks.org> wrote:
> Hi, > > While doing statistics on the participants of a public DHT, I was > surprised to see some IP addresses that are not present in the DFZ: > > 2607:7700:0:25::4e00:605b > 2607:7700:0:25::4e25:8ce8 > 2607:7700:0:25::c808:db2c > 2607:7700:0:4::3294:6683 > 2607:7700:0:4::4c09:4d39 > 2607:7700:0:4::5985:87d1 > 2607:7700:0:4::5d7d:3df8 > > All those IP are in 2607:7700::/32, allocated to T-Mobile USA but never > announced: > > https://stat.ripe.net/2607%3A7700%3A%3A%2F32#tabId=at-a-glance > > What could explain their usage in an application? Some form of address > translation? Maybe these addresses have been used as source address in > outgoing packets, which would indicate IPv6 tests in T-Mobile? (but > obviously, nobody is able to answer such packets). > > Baptiste > You see these addresses because your DHT is not supporting IP correctly. Enable ipv6 and your flaw will be resolved and you will no longer see these addresses. CB