AS4738 202.158.216.0/21 CIDR and IP Range Summary.ASN: 4738 - AARNET TestHost Count: 2046Addressable IPs: 2048202.158.216.0/24202.158.217.0/24202.158.218.0/24202.158.219.0/24202.158.220.0/24202.158.221.0/24202.158.222.0/24202.158.223.0/24