AS23528 192.174.80.0/20 CIDR and IP Range Summary.ASN: 23528 - SparkpostHost Count: 4094Addressable IPs: 4096192.174.80.0/24192.174.81.0/24192.174.82.0/24192.174.83.0/24192.174.84.0/24192.174.85.0/24192.174.86.0/24192.174.87.0/24192.174.88.0/24192.174.89.0/24192.174.90.0/24192.174.91.0/24192.174.92.0/24192.174.93.0/24192.174.94.0/24192.174.95.0/24