AS37918 192.68.240.0/21 CIDR and IP Range Summary.ASN: 37918 - Nippon Telegraph and Telephone CorporationHost Count: 2046Addressable IPs: 2048192.68.240.0/24192.68.241.0/24192.68.242.0/24192.68.243.0/24192.68.244.0/24192.68.245.0/24192.68.246.0/24192.68.247.0/24