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Those are the [Autonomous System numbers](https://en.wikipedia.org/wiki/Autonomous_System_%28Internet%29 https://en.wikipedia.org/wiki/Autonomous_System_%28Inte
by TimWolla 12y ago
Those are the [Autonomous System numbers](https://en.wikipedia.org/wiki/Autonomous_System_%28Internet%29 https://en.wikipedia.org/wiki/Autonomous_System_%28Internet%...). They are given out by IANA.