IPv6 prefix from T-Mobile USA used but not announced in BGP (2607:7700::/32)
cb.list6 at gmail.com
Wed Apr 27 20:04:37 UTC 2016
On Wednesday, April 27, 2016, Baptiste Jonglez <baptiste at bitsofnetworks.org>
> 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:
> All those IP are in 2607:7700::/32, allocated to T-Mobile USA but never
> 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).
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
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