IPv4 prefix

123.77.0.0/19

IP Prefix (CIDR): 123.77.0.0/19
Subnet Mask: 255.255.224.0
Address Count: 8,192
IP Range: 123.77.0.0 - 123.77.31.255
Subnet calculator: Calculate subnet details

Registered Owner

Handle: IRT-CNNIC-CN
Country: China (CN)
Address: Beijing, China
Registry: APNIC
Registered Prefix: 123.77.0.0/16 (123.77.0.0 - 123.77.255.255)
Delegated Prefix: 123.64.0.0/11 (123.64.0.0 - 123.95.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
123.77.0.0/19	Exact	AS56046	China Mobile Communications Corporation	China (CN)	123.77.0.0	123.77.31.255