IPv4 prefix

121.192.0.0/16

IP Prefix (CIDR): 121.192.0.0/16
Subnet Mask: 255.255.0.0
Address Count: 65,536
IP Range: 121.192.0.0 - 121.192.255.255
Subnet calculator: Calculate subnet details

Registered Owner

Owner: CERNET Helpdesk
Handle: CER-AP
Country: China (CN)
Address: CERNET Center Beijing 100084, China
Registry: APNIC
Registered Prefix: 121.192.0.0/16 (121.192.0.0 - 121.192.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
121.192.0.0/14	Covering	AS4538	China Education and Research Network Center	China (CN)	121.192.0.0	121.195.255.255