AS16662 156.70.248.0/21 CIDR and IP Range Summary.ASN: 16662 - AstraZeneca Pharmaceuticals LPHost Count: 2046Addressable IPs: 2048156.70.248.0/24156.70.249.0/24156.70.250.0/24156.70.251.0/24156.70.252.0/24156.70.253.0/24156.70.254.0/24156.70.255.0/24