AS18564 149.68.16.0/21 CIDR and IP Range Summary.ASN: 18564 - St. John's University New YorkHost Count: 2046Addressable IPs: 2048149.68.16.0/24149.68.17.0/24149.68.18.0/24149.68.19.0/24149.68.20.0/24149.68.21.0/24149.68.22.0/24149.68.23.0/24