AS17621 202.90.96.0/20 CIDR and IP Range Summary.ASN: 17621 - China Unicom Shanghai NetworkHost Count: 4094Addressable IPs: 4096202.90.96.0/24202.90.97.0/24202.90.98.0/24202.90.99.0/24202.90.100.0/24202.90.101.0/24202.90.102.0/24202.90.103.0/24202.90.104.0/24202.90.105.0/24202.90.106.0/24202.90.107.0/24202.90.108.0/24202.90.109.0/24202.90.110.0/24202.90.111.0/24