AS17957 210.191.128.0/19 CIDR and IP Range Summary.ASN: 17957 - South Tokyo CableTelevisionHost Count: 8190Addressable IPs: 8192210.191.128.0/24210.191.129.0/24210.191.130.0/24210.191.131.0/24210.191.132.0/24210.191.133.0/24210.191.134.0/24210.191.135.0/24210.191.136.0/24210.191.137.0/24210.191.138.0/24210.191.139.0/24210.191.140.0/24210.191.141.0/24210.191.142.0/24210.191.143.0/24210.191.144.0/24210.191.145.0/24210.191.146.0/24210.191.147.0/24210.191.148.0/24210.191.149.0/24210.191.150.0/24210.191.151.0/24210.191.152.0/24210.191.153.0/24210.191.154.0/24210.191.155.0/24210.191.156.0/24210.191.157.0/24210.191.158.0/24210.191.159.0/24