AS137451 149.127.136.0/21 CIDR and IP Range Summary.ASN: 137451 - Hong Kong Business Telecom LimitedHost Count: 2046Addressable IPs: 2048149.127.136.0/24149.127.137.0/24149.127.138.0/24149.127.139.0/24149.127.140.0/24149.127.141.0/24149.127.142.0/24149.127.143.0/24