AS63100 104.153.0.0/21 CIDR and IP Range Summary.ASN: 63100 - Carnegie Telephone Company Inc.Host Count: 2046Addressable IPs: 2048104.153.0.0/24104.153.1.0/24104.153.2.0/24104.153.3.0/24104.153.4.0/24104.153.5.0/24104.153.6.0/24104.153.7.0/24