out of memory error when adding many random ip nets about cidranger HOT 2 CLOSED

same thing as I posted in #18 , I don't think you use the legit IPNet, the IP addr are not suppose to be random, but represent the network. You can certainly generate the random string, but use net.ParseCIDR to get the legit IPNet, then see if you will run into issue or not

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Second @ldkingvivi here.

IPNet is not to be constructed with the address directly but rather the masted network, https://golang.org/pkg/net/#IPNet

It is also demonstrated by looking at the implementation of ParseCIDR https://golang.org/src/net/ip.go?s=16363:16407#L699 where it construct using the masked ip rather than the ip itself, and it is assumed by the implementation of IPNet's functions.

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