IPv4 prefix

223.166.64.0/23

IP Prefix (CIDR): 223.166.64.0/23
Subnet Mask: 255.255.254.0
Address Count: 512
IP Range: 223.166.64.0 - 223.166.65.255
Subnet calculator: Calculate subnet details

Registered Owner

Handle: IRT-CU-CN
Country: China (CN)
Address: No.21,Financial Street Beijing,100033 P.R.China
Registry: APNIC
Registered Prefix: 223.166.0.0/15 (223.166.0.0 - 223.167.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
223.166.64.0/23	Exact	AS140979	China Unicom	China (CN)	223.166.64.0	223.166.65.255