AS135357 154.204.8.0/21 CIDR and IP Range Summary.ASN: 135357 - Shenzhen Katherine Heng Technology Information CoHost Count: 2046Addressable IPs: 2048154.204.8.0/24154.204.9.0/24154.204.10.0/24154.204.11.0/24154.204.12.0/24154.204.13.0/24154.204.14.0/24154.204.15.0/24