src/index.js
function(collection, key, ip) {
    if (!collection) {
        collection = {};
    }

    if (!collection[key]) {
        collection[key] = [];
    }

    collection[key].push(ip);
}
function(collection, key, ip) {
    if (!collection) {
        collection = {};
    }

    if (!collection[key]) {
        collection[key] = [];
    }

    collection[key].push(ip);
}
Finds the appropriate block or
bucket for the given IP to be
inserted in. Another way
@param key
@param ip