IPv4 prefix

210.72.224.0/20

IP Prefix (CIDR): 210.72.224.0/20
Subnet Mask: 255.255.240.0
Address Count: 4,096
IP Range: 210.72.224.0 - 210.72.239.255
Subnet calculator: Calculate subnet details

Registered Owners

Registration 1 of 2

Handle: IRT-CNNIC-CN
Country: China (CN)
Address: Beijing, China
Registry: APNIC
Registered Prefix: 210.72.224.0/19 (210.72.224.0 - 210.72.255.255)
Delegated Prefix: 210.72.192.0/18 (210.72.192.0 - 210.72.255.255)

Registration 2 of 2

Owner: bai qiang
Handle: BQ4-AP
Country: China (CN)
Address: beijing
Registry: APNIC
Registered Prefix: 210.72.237.0/24 (210.72.237.0 - 210.72.237.255)
Delegated Prefix: 210.72.192.0/18 (210.72.192.0 - 210.72.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
210.72.224.0/20	Exact	AS9814	Beijing FibrLINK Networks Co. Ltd.	China (CN)	210.72.224.0	210.72.239.255
210.72.237.0/24	More specific	AS18241	State Power Information Net	China (CN)	210.72.237.0	210.72.237.255