AS55990 49.4.16.0/21 CIDR and IP Range Summary.ASN: 55990 - HWCSNET Huawei Cloud Service data centerHost Count: 2046Addressable IPs: 204849.4.16.0/2449.4.17.0/2449.4.18.0/2449.4.19.0/2449.4.20.0/2449.4.21.0/2449.4.22.0/2449.4.23.0/24