AS3378 146.1.24.0/21 CIDR and IP Range Summary.ASN: 3378 - MCIHost Count: 2046Addressable IPs: 2048146.1.24.0/24146.1.25.0/24146.1.26.0/24146.1.27.0/24146.1.28.0/24146.1.29.0/24146.1.30.0/24146.1.31.0/24