AS17621 103.202.128.0/20 CIDR and IP Range Summary.ASN: 17621 - China Unicom Shanghai NetworkHost Count: 4094Addressable IPs: 4096103.202.128.0/24103.202.129.0/24103.202.130.0/24103.202.131.0/24103.202.132.0/24103.202.133.0/24103.202.134.0/24103.202.135.0/24103.202.136.0/24103.202.137.0/24103.202.138.0/24103.202.139.0/24103.202.140.0/24103.202.141.0/24103.202.142.0/24103.202.143.0/24