AS1 8.11.240.0/21 CIDR and IP Range Summary.ASN: 1 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 20488.11.240.0/248.11.241.0/248.11.242.0/248.11.243.0/248.11.244.0/248.11.245.0/248.11.246.0/248.11.247.0/24