AS18302 61.104.144.0/21 CIDR and IP Range Summary.ASN: 18302 - SKG_NW-AS-KR SK TelecomHost Count: 2046Addressable IPs: 204861.104.144.0/2461.104.145.0/2461.104.146.0/2461.104.147.0/2461.104.148.0/2461.104.149.0/2461.104.150.0/2461.104.151.0/24