AS1 8.4.112.0/21 CIDR and IP Range Summary.ASN: 1 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 20488.4.112.0/248.4.113.0/248.4.114.0/248.4.115.0/248.4.116.0/248.4.117.0/248.4.118.0/248.4.119.0/24