AS1220 192.157.136.0/21 CIDR and IP Range Summary.ASN: 1220 - Infonet Services CorporationHost Count: 2046Addressable IPs: 2048192.157.136.0/24192.157.137.0/24192.157.138.0/24192.157.139.0/24192.157.140.0/24192.157.141.0/24192.157.142.0/24192.157.143.0/24