AS1 8.10.216.0/21 CIDR and IP Range Summary.ASN: 1 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 20488.10.216.0/248.10.217.0/248.10.218.0/248.10.219.0/248.10.220.0/248.10.221.0/248.10.222.0/248.10.223.0/24