AS1 8.15.192.0/21 CIDR and IP Range Summary.ASN: 1 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 20488.15.192.0/248.15.193.0/248.15.194.0/248.15.195.0/248.15.196.0/248.15.197.0/248.15.198.0/248.15.199.0/24