AS1 8.2.136.0/21 CIDR and IP Range Summary.ASN: 1 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 20488.2.136.0/248.2.137.0/248.2.138.0/248.2.139.0/248.2.140.0/248.2.141.0/248.2.142.0/248.2.143.0/24