AS1 8.249.144.0/21 CIDR and IP Range Summary.ASN: 1 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 20488.249.144.0/248.249.145.0/248.249.146.0/248.249.147.0/248.249.148.0/248.249.149.0/248.249.150.0/248.249.151.0/24