AS18302 124.138.112.0/21 CIDR and IP Range Summary.ASN: 18302 - SKG_NW-AS-KR SK TelecomHost Count: 2046Addressable IPs: 2048124.138.112.0/24124.138.113.0/24124.138.114.0/24124.138.115.0/24124.138.116.0/24124.138.117.0/24124.138.118.0/24124.138.119.0/24