Scan usom blocked url list inside your ip masks.
go get -u github.com/netinternet/usom
speed values is 1(highest speed) => 1000(lowest speed)
package main
import (
"fmt"
"github.com/netinternet/usom"
)
func main() {
masks := []string{"89.43.28.0/22", "89.43.26.0/22"}
speed := 10
list := usom.Scan(masks, speed)
for _, v := range list {
fmt.Println(v.Hostname, v.IP)
}
}