Yeah that's because you won't be able to trace it any further, don't bother trying, it's not in use anymore.
Look she uses proxies, you probably won't find her in England, well there is a pretty good chance as it's big and all, but it could also be easily from any other country, maybe even Japan, but fact is that this Blossom isn't who we think she is, it could go from a 40 year old virgin somewhere in Germany, to a 30 year old woman in Japan who lie'd about her age because she wanted to be accepted, and got in to far.
I truly don't know, but i'm like 99% sure that she isn't who we think she is.