AS135357 156.254.90.72/29 CIDR and IP Range Summary.ASN: 135357 - Shenzhen Katherine Heng Technology Information CoHost Count: 6Addressable IPs: 8 156.254.90.73156.254.90.74156.254.90.75156.254.90.76156.254.90.77156.254.90.78156.254.90.79156.254.90.80