IPv4 prefix

183.131.72.0/21

IP Prefix (CIDR): 183.131.72.0/21
Subnet Mask: 255.255.248.0
Address Count: 2,048
IP Range: 183.131.72.0 - 183.131.79.255
Subnet calculator: Calculate subnet details

Registered Owners

Registration 1 of 2

Owner: CHINANET ZHEJIANG
Handle: CZ4-AP
Country: China (CN)
Address: No. 257 Qingjiang Road, Hangzhou, Zhejiang.310066
Registry: APNIC
Registered Prefix: 183.128.0.0/12 (183.128.0.0 - 183.143.255.255)
Delegated Prefix: 183.128.0.0/11 (183.128.0.0 - 183.159.255.255)

Registration 2 of 2

Owner: CHINANET-ZJ Jinhua
Handle: CJ54-AP
Country: China (CN)
Address: No.155 Xishi street,Jinhua,Zhejiang.321000
Registry: APNIC
Registered Prefix: 183.131.72.0/24 (183.131.72.0 - 183.131.72.255)
Delegated Prefix: 183.128.0.0/11 (183.128.0.0 - 183.159.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
183.131.72.0/21	Exact	AS136190	JINHUA ZHEJIANG Province P.R.China.	China (CN)	183.131.72.0	183.131.79.255