AS63997 111.68.16.0/21 CIDR and IP Range Summary.ASN: 63997 - Tsukaeru.net Web Hosting Company JapanHost Count: 2046Addressable IPs: 2048111.68.16.0/24111.68.17.0/24111.68.18.0/24111.68.19.0/24111.68.20.0/24111.68.21.0/24111.68.22.0/24111.68.23.0/24