BEGIN {FS=":"}
{
        hits[$1]++
        ip_hits[$1 ":" substr($2, 1, 15)]
}
END {
        for (i in ip_hits){ sub(/:.+/, "", i); unique[i]++ }
        printf "%-20s %5s %s\n", "Page:", "Hits", "Unique Hits"
        for (i in hits) printf "%-20s %5s %5s\n", i, hits[i], unique[i]
}