AS1 204.165.248.0/21 CIDR and IP Range Summary.ASN: 1 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 2048204.165.248.0/24204.165.249.0/24204.165.250.0/24204.165.251.0/24204.165.252.0/24204.165.253.0/24204.165.254.0/24204.165.255.0/24