AS11521 216.245.16.0/21 CIDR and IP Range Summary.ASN: 11521 - ModusLink CorporationHost Count: 2046Addressable IPs: 2048216.245.16.0/24216.245.17.0/24216.245.18.0/24216.245.19.0/24216.245.20.0/24216.245.21.0/24216.245.22.0/24216.245.23.0/24