AS3 18.16.0.0/12 CIDR and IP Range Summary.ASN: 3 - Massachusetts Institute of TechnologyHost Count: 1048574Addressable IPs: 104857618.16.0.0/1618.17.0.0/1618.18.0.0/1618.19.0.0/1618.20.0.0/1618.21.0.0/1618.22.0.0/1618.23.0.0/1618.24.0.0/1618.25.0.0/1618.26.0.0/1618.27.0.0/1618.28.0.0/1618.29.0.0/1618.30.0.0/1618.31.0.0/16