AS18302 61.104.168.0/21 CIDR and IP Range Summary.ASN: 18302 - SKG_NW-AS-KR SK TelecomHost Count: 2046Addressable IPs: 204861.104.168.0/2461.104.169.0/2461.104.170.0/2461.104.171.0/2461.104.172.0/2461.104.173.0/2461.104.174.0/2461.104.175.0/24