AS1 8.5.136.0/21 CIDR and IP Range Summary.ASN: 1 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 20488.5.136.0/248.5.137.0/248.5.138.0/248.5.139.0/248.5.140.0/248.5.141.0/248.5.142.0/248.5.143.0/24