AS19108 173.219.88.0/21 CIDR and IP Range Summary.ASN: 19108 - OptimumHost Count: 2046Addressable IPs: 2048173.219.88.0/24173.219.89.0/24173.219.90.0/24173.219.91.0/24173.219.92.0/24173.219.93.0/24173.219.94.0/24173.219.95.0/24