AS3372 166.40.216.0/21 CIDR and IP Range Summary.ASN: 3372 - MCIHost Count: 2046Addressable IPs: 2048166.40.216.0/24166.40.217.0/24166.40.218.0/24166.40.219.0/24166.40.220.0/24166.40.221.0/24166.40.222.0/24166.40.223.0/24