AS139259 103.220.248.0/21 CIDR and IP Range Summary.ASN: 139259 - ADC Group Co. LimitedHost Count: 2046Addressable IPs: 2048103.220.248.0/24103.220.249.0/24103.220.250.0/24103.220.251.0/24103.220.252.0/24103.220.253.0/24103.220.254.0/24103.220.255.0/24