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by icedchai 2778 days ago
They delegated 3.0.0.0/15 to Singapore, out of the AWS 3.0.0.0/9 block, which is adjacent to their 3.128.0.0/9 block... which gives them all of 3.0.0.0/8...

Broadcast addresses have no meaning outside of a broadcast domain / subnet. Nobody would use a full /9 as a subnet. It would be split into much smaller blocks...