Not transfers, but rather notifying the other carriers of new number range assignments so they can condition their switches to route them. Not as bad as it sounds.
"A review might consider whether it is befitting for the world's sixth largest economy to
manage critical national infrastructure via a Yahoo group but we would hope that is obvious."
[1] https://news.ycombinator.com/item?id=11826186
[2] https://www.bloomberg.com/news/articles/2016-06-01/oil-trade...