ASN 18113 - Pfizer Pte Ltd Singapore Dual HomedOrganization : Pfizer Pte Ltd Singapore Dual HomedTotal Countries Listed: 2Total IP Ranges Listed: 6Singapore - IP Ranges: 1IP Range List203.24.28.0/22United States of America - IP Ranges: 5IP Range List146.240.4.0/24204.114.196.0/23204.114.198.0/24204.114.220.0/23204.114.250.0/23