AS4766 168.126.16.0/21 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 2046Addressable IPs: 2048168.126.16.0/24168.126.17.0/24168.126.18.0/24168.126.19.0/24168.126.20.0/24168.126.21.0/24168.126.22.0/24168.126.23.0/24