IPv4 prefix

121.229.152.0/21

IP Prefix (CIDR): 121.229.152.0/21
Subnet Mask: 255.255.248.0
Address Count: 2,048
IP Range: 121.229.152.0 - 121.229.159.255
Subnet calculator: Calculate subnet details

Registered Owner

Handle: IRT-CHINANET-CN
Country: China (CN)
Address: No.31 ,jingrong street,beijing 100032
Registry: APNIC
Registered Prefix: 121.224.0.0/12 (121.224.0.0 - 121.239.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
121.229.152.0/21	Exact	AS134756	China Telecom	China (CN)	121.229.152.0	121.229.159.255