IPv4 prefix

121.201.0.0/16

IP Prefix (CIDR): 121.201.0.0/16
Subnet Mask: 255.255.0.0
Address Count: 65,536
IP Range: 121.201.0.0 - 121.201.255.255
Subnet calculator: Calculate subnet details

Registered Owners

Registration 1 of 2

Owner: Asia Pacific Network Information Center, Pty. Ltd.
Handle: ORG-APNI3-AP
Country: Australia (AU)
Address: Level 1 - 33 Park Road
Registry: APNIC
Registered Prefix: 121.0.0.0/8 (121.0.0.0 - 121.255.255.255)
Delegated Prefix: 121.201.0.0/16 (121.201.0.0 - 121.201.255.255)

Registration 2 of 2

Handle: IRT-CNISP-CN
Country: China (CN)
Address: Beijing CNISP Technology Co., Ltd
Registry: APNIC
Registered Prefix: 121.201.0.0/17 (121.201.0.0 - 121.201.127.255)
Delegated Prefix: 121.201.0.0/16 (121.201.0.0 - 121.201.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
121.201.0.0/17	More specific	AS58543	Guangdong	China (CN)	121.201.0.0	121.201.127.255