AS1 8.253.232.0/21 CIDR and IP Range Summary.ASN: 1 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 20488.253.232.0/248.253.233.0/248.253.234.0/248.253.235.0/248.253.236.0/248.253.237.0/248.253.238.0/248.253.239.0/24