AS1 204.164.64.0/21 CIDR and IP Range Summary.ASN: 1 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 2048204.164.64.0/24204.164.65.0/24204.164.66.0/24204.164.67.0/24204.164.68.0/24204.164.69.0/24204.164.70.0/24204.164.71.0/24