Scan usom blocked url list inside your ip masks.
go get -u github.com/kevsersrca/usom
package main
import (
"fmt"
"time"
s "github.com/kevsersrca/usom"
)
func main() {
masks := []string{"89.43.28.0/22"}
speed := 100
list := s.Scan(masks, speed)
for _, v := range list {
fmt.Println(v.Hostname, v.IP)
}
}