AS4766 210.90.144.0/20 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 4094Addressable IPs: 4096210.90.144.0/24210.90.145.0/24210.90.146.0/24210.90.147.0/24210.90.148.0/24210.90.149.0/24210.90.150.0/24210.90.151.0/24210.90.152.0/24210.90.153.0/24210.90.154.0/24210.90.155.0/24210.90.156.0/24210.90.157.0/24210.90.158.0/24210.90.159.0/24