AS19801 205.137.64.0/21 CIDR and IP Range Summary.ASN: 19801 - SanofiHost Count: 2046Addressable IPs: 2048205.137.64.0/24205.137.65.0/24205.137.66.0/24205.137.67.0/24205.137.68.0/24205.137.69.0/24205.137.70.0/24205.137.71.0/24