苹果运营商黑解（运营商的黑洞BlackholeCommunity收集）

香港联通的AS10099的Blackhole Community 是10099:666

香港HGC运营商的AS9304的Blackhole Community 是9304:666

香港PCCW运营商的AS3491的Blackhole Community 是3491:666

NTT运营商的AS2914的Blackhole Community 是2914:666

Selective Blackhole communities

2914:661 only blackhole inside the region the announcement originated

2914:663 only blackhole inside the country the announcement originated

2914:660 only blackhole outside the region the announcement originated

2914:664 only blackhole outside the country the announcement originated

美国HE运营商的AS6939的Blackhole Community 是6939:666

为什么运营商默认都使用666作为Blackhole，这是因为参考的是IANA的定义，在IANA中BLACKHOLE (= 0xFFFF029A)，029A转换成十进制等于666。

666的定义来源：https://tools.ietf.org/html/rfc7999