AS138421 116.196.192.0/21 CIDR and IP Range Summary.ASN: 138421 - China UnicomHost Count: 2046Addressable IPs: 2048116.196.192.0/24116.196.193.0/24116.196.194.0/24116.196.195.0/24116.196.196.0/24116.196.197.0/24116.196.198.0/24116.196.199.0/24