AS11971 148.168.192.0/20 CIDR and IP Range Summary.ASN: 11971 - Pfizer Inc.Host Count: 4094Addressable IPs: 4096148.168.192.0/24148.168.193.0/24148.168.194.0/24148.168.195.0/24148.168.196.0/24148.168.197.0/24148.168.198.0/24148.168.199.0/24148.168.200.0/24148.168.201.0/24148.168.202.0/24148.168.203.0/24148.168.204.0/24148.168.205.0/24148.168.206.0/24148.168.207.0/24