AS10103 123.1.248.0/21 CIDR and IP Range Summary.ASN: 10103 - HK Broadband Network Ltd.Host Count: 2046Addressable IPs: 2048123.1.248.0/24123.1.249.0/24123.1.250.0/24123.1.251.0/24123.1.252.0/24123.1.253.0/24123.1.254.0/24123.1.255.0/24