AS16662 156.70.152.0/21 CIDR and IP Range Summary.ASN: 16662 - AstraZeneca Pharmaceuticals LPHost Count: 2046Addressable IPs: 2048156.70.152.0/24156.70.153.0/24156.70.154.0/24156.70.155.0/24156.70.156.0/24156.70.157.0/24156.70.158.0/24156.70.159.0/24