AS1 206.216.40.0/21 CIDR and IP Range Summary.ASN: 1 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 2048206.216.40.0/24206.216.41.0/24206.216.42.0/24206.216.43.0/24206.216.44.0/24206.216.45.0/24206.216.46.0/24206.216.47.0/24