AS3378 199.249.16.0/20 CIDR and IP Range Summary.ASN: 3378 - MCIHost Count: 4094Addressable IPs: 4096199.249.16.0/24199.249.17.0/24199.249.18.0/24199.249.19.0/24199.249.20.0/24199.249.21.0/24199.249.22.0/24199.249.23.0/24199.249.24.0/24199.249.25.0/24199.249.26.0/24199.249.27.0/24199.249.28.0/24199.249.29.0/24199.249.30.0/24199.249.31.0/24